[Coercions] Attempt to apply operator "-" to null value

What is this warning? I have it in my console every time I load page:
[Coercions] Attempt to apply operator "-" to null value
I tried to find any line in code where I try to apply "-" to any value. I found just one, but in method that isn't called every time, so it should appear. It's in:
public void negateDouble(Double value) {
double negated = -value.doubleValue();
}Anyway, that's only in this app, and I have another where the same warning is appearing.
PS. I'm using Creator 2.

I guess that you are trying to apply the - operator to a null value...
Check to see if values is not null before.

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import flash.display.MovieClip;
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Shay,
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Hi Xavier,
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INDEX_TARIFF_PLAN_COSP_ID :
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Its showing all objects the user has permission to see- why does that need to be restricted?

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Help!
package blotter;
import java.io.IOException;
import java.io.PrintWriter;
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import javax.servlet.ServletConfig;
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That section of the code references a cache to extract an item that has been requested by the user. If the item is not in the cache i.e. if(o1 == null) then it will call a class that generates that object and places that object into the cache. The second time the user makes the same call then they will be handed a cached copy of that object which is aimed to make the whole servlet call faster.
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NULL value in GeoRaster cells?

Hi all,
How to store a NULL value in GeoRaster cells ? For example i need to store raster data of NOAA image of continent of Australia, with null value for cells in the surrounding ocean.
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I think the .setBlankCellValue does not help for this.
I do not think Oracle GeoRaster does not recognize Null cell value. But i don't know how.
The geoRaster documentation explain about SDO_GEOR.getNODATA, but how to set it ?
Or do i have to make some kind of alpha layer for this purpose ?
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Jeffrey,
>
1. setup NODATA value(s) or NODATA value
ranges. for this you can call:
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sdo_geor.deleteNODATA.
this case, the NODATA value(s) must be in the range
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sdo_geor.getNODATA
sdo_geor.deleteNODATA
sdo_geor.setBitmapMask
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sdo_geor.mergeLayers
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==================
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=Damon

NULL Value in Journal Entry and Wrong Tax Summary

Hi people,
I need your expert help for a big problem that appens to some customers.
They run SAP BO 8.8 SP:00 PL:12
This is the scenario:
You insert a new documet, A/R Invoice or A/P Invoice is the same, problem appear in all of them.
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How could I solve? And how i can make invoices store 0 rather than NULL in the VAT Line?
Thanks in advance for your tips and solutions

Thaks Neetu for your answer.
I thinks there is a misurandertanding.
My problem is not SQL.
My problem is the SAP TAX Report.
I used SQL only for check data and discover why SAP raise a wrong TAX Summary report.
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Thanks,
Jonny Cortonicchi

Is it possible to filter a table for NULL values in a column? (11g)

I am using the out-of-the box table filtering provided by ADF Faces RC, but cannot figure out how to filter on Null value that are in the table.
I have tried "IS NULL" and "= NULL", but nothing works.
I have a backing bean that intercepts the filtered values before the filter is applied, and I can't set it there either.
Does anyone know how this is accomplished?

No, it is not. Worse, many people will view this in any old PDF viewer, most of which won't have overprint preview at all.
You need to send very clear instructions about this, with specific screen shots - or better, avoid tools and constructions that require it. Probably some wording about "need to view with suitable professional tools" will make the message more palatable.

MS Access and Null values

Hi,
I'm attempting to create a report in Crystal Reports Designer 2008 using a Microsoft Access 2003 table as a source. I'm having difficulty with my report design when the first record of the table contains a NULL value. I wish to find the Maximum() value of this field using the formula Maximum({table.field1}, {table.field2}) where field1 contains the value i'm trying to find the maximum of and field2 contains the grouping data. I find that if field1 contains valid values then the formula works as expected whereas if the first field1 value is NULL then the formula simply refuses to output anything (not even an error).
I attempted to amend my formula to read:
If IsNull({table.field1})
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I also tried the following from the menu File > Report Options ... > Convert Database NULL Values to Default, and the other setting of Convert Other NULL Values to Default, but neither seemed to work for me.
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Ian,
I had previously tried that with no luck.
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Thanks,
Mike

Null Values From MS Web Services Toolkit Client

Hi,
I've been bashing my head against a wall on this one for too long now.
I've got a JAX-WS web service deployed to Glassfish v2 b33 which works fine when called by a Java client. It also works fine when methods with no parameters are called from the MS client, i.e. simple and complex types are returned as they should be. However the problem I am having is that when the web service methods that take parameters are called from the MS client, the values received by the service are always null. I've montitored the service and values are being sent in the soap request, but a simple System.out.println statement in the first line of the method indicates a null value. I've captured a request from the Java client and the MS client to show the difference:
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<soapenv:Envelope
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<SOAP-ENV:Envelope
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     xmlns:SOAPSDK1="http://www.w3.org/2001/XMLSchema"
     xmlns:SOAPSDK2="http://www.w3.org/2001/XMLSchema-instance"
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     xmlns:SOAPSDK1="http://www.w3.org/2001/XMLSchema"
     xmlns:SOAPSDK2="http://www.w3.org/2001/XMLSchema-instance"
     xmlns:SOAPSDK3="http://schemas.xmlsoap.org/soap/encoding/">
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     <SOAP-ENV:Body>
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          <SOAPSDK4:arg0>Inbound</SOAPSDK4:arg0>
     </SOAPSDK4:getConfig>
     </SOAP-ENV:Body>
</SOAP-ENV:Envelope> to the following valid format: <?xml version="1.0" encoding="utf-8"?>
<SOAP-ENV:Envelope
     xmlns:SOAP-ENV="http://schemas.xmlsoap.org/soap/envelope/"
     xmlns:SOAPSDK1="http://www.w3.org/2001/XMLSchema"
     xmlns:SOAPSDK2="http://www.w3.org/2001/XMLSchema-instance"
     xmlns:SOAPSDK3="http://schemas.xmlsoap.org/soap/encoding/">
   <SOAP-ENV:Header/>
   <SOAP-ENV:Body>
      <SOAPSDK4:getConfig xmlns:SOAPSDK4="http://ws.firestorm.alternativenetworks.com/">
     <arg0>Inbound</arg0>
      </SOAPSDK4:getConfig>
   </SOAP-ENV:Body>
</SOAP-ENV:Envelope> But when I load the .xsl file using the Transformation Rules page and call the web service using the Microsoft Web Services Toolkit, I'm getting the following exception: [#|2007-05-11T09:23:46.530+0100|INFO|sun-appserver9.1|javax.enterprise.system.tools.admin|_ThreadID=15;_ThreadName=Thread-15;com.sun.enterprise.admin.event.wsmgmt.TransformationRuleEvent -- server [1 Change(s), Id:1, ts:1178871826530];|ADM1041:Sent the event to instance:[com.sun.enterprise.admin.event.wsmgmt.TransformationRuleEvent -- server [1 Change(s), Id:1, ts:1178871826530]]|#]
[#|2007-05-11T09:27:31.675+0100|INFO|sun-appserver9.1|javax.enterprise.system.tools.admin|_ThreadID=12;_ThreadName=httpWorkerThread-4848-0;com.sun.enterprise.admin.event.wsmgmt.TransformationRuleEvent -- server [1 Change(s), Id:2, ts:1178872051675];|ADM1041:Sent the event to instance:[com.sun.enterprise.admin.event.wsmgmt.TransformationRuleEvent -- server [1 Change(s), Id:2, ts:1178872051675]]|#]
[#|2007-05-11T09:28:00.269+0100|WARNING|sun-appserver9.1|javax.enterprise.system.stream.err|_ThreadID=13;_ThreadName=httpSSLWorkerThread-8080-0;_RequestID=89eadb09-2894-4ace-95f6-75043c1e6988;|
ERROR: ''|#]
[#|2007-05-11T09:28:00.285+0100|WARNING|sun-appserver9.1|javax.enterprise.system.stream.err|_ThreadID=13;_ThreadName=httpSSLWorkerThread-8080-0;_RequestID=89eadb09-2894-4ace-95f6-75043c1e6988;|
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     at com.sun.xml.ws.api.pipe.Fiber._doRun(Fiber.java:518)
     at com.sun.xml.ws.api.pipe.Fiber.doRun(Fiber.java:503)
     at com.sun.xml.ws.api.pipe.Fiber.runSync(Fiber.java:400)
     at com.sun.xml.ws.api.pipe.helper.AbstractTubeImpl.process(AbstractTubeImpl.java:70)
     at com.sun.xml.ws.mex.server.MetadataServerPipe.process(MetadataServerPipe.java:97)
     at com.sun.enterprise.webservice.CommonServerSecurityPipe.processRequest(CommonServerSecurityPipe.java:191)
     at com.sun.enterprise.webservice.CommonServerSecurityPipe.process(CommonServerSecurityPipe.java:113)
     at com.sun.xml.ws.api.pipe.helper.PipeAdapter.processRequest(PipeAdapter.java:79)
     at com.sun.xml.ws.api.pipe.Fiber.__doRun(Fiber.java:559)
     at com.sun.xml.ws.api.pipe.Fiber._doRun(Fiber.java:518)
     at com.sun.xml.ws.api.pipe.Fiber.doRun(Fiber.java:503)
     at com.sun.xml.ws.api.pipe.Fiber.runSync(Fiber.java:400)
     at com.sun.xml.ws.server.WSEndpointImpl$2.process(WSEndpointImpl.java:208)
     at com.sun.xml.ws.transport.http.HttpAdapter$HttpToolkit.handle(HttpAdapter.java:374)
     at com.sun.xml.ws.transport.http.HttpAdapter.handle(HttpAdapter.java:175)
     at com.sun.xml.ws.transport.http.servlet.ServletAdapter.handle(ServletAdapter.java:134)
     at com.sun.enterprise.webservice.Ejb3MessageDispatcher.handlePost(Ejb3MessageDispatcher.java:100)
     at com.sun.enterprise.webservice.Ejb3MessageDispatcher.invoke(Ejb3MessageDispatcher.java:74)
     at com.sun.enterprise.webservice.EjbWebServiceServlet.dispatchToEjbEndpoint(EjbWebServiceServlet.java:187)
     at com.sun.enterprise.webservice.EjbWebServiceServlet.service(EjbWebServiceServlet.java:116)
     at javax.servlet.http.HttpServlet.service(HttpServlet.java:820)
     at com.sun.enterprise.web.AdHocContextValve.invoke(AdHocContextValve.java:101)
     at org.apache.catalina.core.StandardPipeline.doInvoke(StandardPipeline.java:611)
     at org.apache.catalina.core.StandardPipeline.doInvoke(StandardPipeline.java:564)
     at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:558)
     at com.sun.enterprise.web.WebPipeline.invoke(WebPipeline.java:74)
     at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:207)
     at org.apache.catalina.core.StandardPipeline.doInvoke(StandardPipeline.java:611)
     at org.apache.catalina.core.StandardPipeline.doInvoke(StandardPipeline.java:564)
     at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:558)
     at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:1067)
     at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:137)
     at org.apache.catalina.core.StandardPipeline.doInvoke(StandardPipeline.java:611)
     at org.apache.catalina.core.StandardPipeline.doInvoke(StandardPipeline.java:564)
     at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:558)
     at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:1067)
     at org.apache.coyote.tomcat5.CoyoteAdapter.service(CoyoteAdapter.java:249)
     at com.sun.enterprise.web.connector.grizzly.DefaultProcessorTask.invokeAdapter(DefaultProcessorTask.java:618)
     at com.sun.enterprise.web.connector.grizzly.DefaultProcessorTask.doProcess(DefaultProcessorTask.java:549)
     at com.sun.enterprise.web.connector.grizzly.DefaultProcessorTask.process(DefaultProcessorTask.java:790)
     at com.sun.enterprise.web.connector.grizzly.DefaultReadTask.executeProcessorTask(DefaultReadTask.java:326)
     at com.sun.enterprise.web.connector.grizzly.DefaultReadTask.doTask(DefaultReadTask.java:248)
     at com.sun.enterprise.web.connector.grizzly.DefaultReadTask.doTask(DefaultReadTask.java:199)
     at com.sun.enterprise.web.portunif.PortUnificationPipeline$PUTask.doTask(PortUnificationPipeline.java:328)
     at com.sun.enterprise.web.connector.grizzly.TaskBase.run(TaskBase.java:252)
     at com.sun.enterprise.web.connector.grizzly.ssl.SSLWorkerThread.run(SSLWorkerThread.java:93)
Caused by: javax.xml.transform.TransformerException: java.lang.NullPointerException
     at com.sun.org.apache.xalan.internal.xsltc.trax.TransformerImpl.transform(TransformerImpl.java:651)
     at com.sun.org.apache.xalan.internal.xsltc.trax.TransformerImpl.transform(TransformerImpl.java:281)
     at com.sun.enterprise.admin.wsmgmt.transform.FilterChain.process(FilterChain.java:224)
     ... 54 more
Caused by: java.lang.NullPointerException
     at com.sun.org.apache.xerces.internal.parsers.AbstractSAXParser.parse(AbstractSAXParser.java:1235)
     at com.sun.org.apache.xalan.internal.xsltc.trax.TrAXFilter.parse(TrAXFilter.java:105)
     at com.sun.org.apache.xalan.internal.xsltc.trax.TransformerImpl.transformIdentity(TransformerImpl.java:588)
     at com.sun.org.apache.xalan.internal.xsltc.trax.TransformerImpl.transform(TransformerImpl.java:642)
     ... 56 moreCould this be a bug or am I doing something wrong?
Cheers again,
Tony

Exclude NULL values from SUM and AVG calculation

Hi,
I have column in report that contains some NULL values. When i perform SUM,MAX,MIN or AVG calculation on this column the NULL values are treated as '0' and included in calculation. Is there any way to exclude them while calculating aggregate functions?
As a result MIN calculation on values (NULL,0.7,0.5,0.9) gives me output as 0 when it should have been 0.5
Can someone please help ?
Thanks and Regards,
Oliver D'mello

Hi Oliver,
According to your description, you want to ignore the NULL values when you perform aggregation functions.
In this scenario, aggregate functions always ignore the NULL values, because their operation objects are non-null values. So I would like to know if you have assigned “0” for NULL values. I would appreciate it if you could provide some screenshots about
your expressions or reports.
Besides, we have tested in our environment using Min() function. The expression returns the minimum value among the non-null numeric values. Please refer to the screenshots below:
Reference:
Min Function (Report Builder and SSRS)
Aggregate Functions Reference (Report Builder and SSRS)
If you have any question, please feel free to ask.
Best regards,
Qiuyun Yu

Problem with QofQ and Null Values

Just converted from CF5 to CF7. Finally figured out what was
causing the error message :
"The value "" cannot be converted to a number" when running a
QofQ. It happens whenever there is a NULL (and I think a ZERO)
value in the QofQ. I'm using the QofQ in a seperate chart program.
The main query merges data from a store and a region table.
I'm doing a LEFT OUTER JOIN to combine the REGION with the STORE,
AND so that stores with NO SALES for a given day will show up as
ZERO. On the main report, when I don't use a QofQWhen grouping by
DAY or MONTH, I can test the value in the CFOUTPUT for NULL or ZERO
and display "0" or "N/A" on the report.
But when I try to chart it, using a QofQ to read in the
values from the main query, and format the numbers, I get this
error message. I've tried using the CAST function, using FLOAT,
DOUBLE, BIGINT, etc., but still get same error message.
The only way I could fix this is to add a WHERE statement to
the QofQ, that only includes sales values greater than ZERO. But
then, I have gaps in my chart because stores with NO SALES for a
given day or MONTH don't appear. Because they are removed from the
query. The whole point of LEFT JOINS is to include items with no
values (or NULL) values.
Does anyone know if it's possible to keep these values in a
QofQ? So that items (e.g., store locations in my case) with NULL or
ZERO values for some or all days or months can be charted? Even
with a ZERO value? I've read everything I can get my hands on
regarding QofQ, the CAST function, etc., but nothing seems to work.
Thanks for any help. (FYI, didn't have this problem with CF5. It's
QofQ could handle NULL or ZERO values without providing an error).
Gary

Well, I tried the IsNull function on the 3 SUM() values I was
calculating in my SELECT statement (on a LEFT OUTER JOIN QUERY),
and I STILL got another "cannot convert "" to a number" but this
time the error message was more direct, and pointed me to a DATE
field in my query, where I was SORTING AND GROUPING either by DAY
or MONTH (depending on what user selected on form).
In my QofQ, I'm not just reformating the integer SUM()
values, but also the date values. So, I applied the IsNull()
function to the DATE values in my main query. I still kept getting
errors. But after experimenting ((SQL Server BOL docs doesn't give
ISNULL() examples for DATE FIELDS, only NUMBER fields), I tried
putting the dates in SINGLE QUOTES in my IsNull() function, the
QUERY RAN. Then I wasn't sure WHAT date to enter, e.g., 1/1/1889 or
1/1/2001, etc.
Then, I discovered, after experimenting, that you cannot just
blindly enter ANY date when using IsNull in a date field,
especially if you are using CFGRAPH to chart the results by day.
You have to select a date within the date range the user selected,
so this means using the FORM.DATE (or URL.DATE) value from the
form. Here's the working example from my SELECT main query:
SELECT SUM(ISNULL(d.ttldb,0)) AS SumOfDB,
SUM(ISNULL(d.ttldbv,0)) AS SumOfDBV,
SUM(ISNULL(d.ttldbi,0)) AS SumOfDBI,
<CFIF '#url.reptype#' IS "DAILY">
ISNULL(d.depday, '#url.date1#') AS depday
<CFELSE>
month(ISNULL(d.depday, '#url.date2#')) AS TranMonth,
year(ISNULL(d.depday, '#url.date2#')) AS TranYear
</CFIF>
Then I discovered that whatever date was used in the URL.DATE
field (in my case it would be one of the two date field from the
form, and depended on whether you coded DATE1 or DATE2, the chart
would always show ZERO values for that date. So I tried putting the
IsNull() date values in the GROUP BY and ORDER BY statements, e.g.,
<CFIF '#url.reptype#' IS "DAILY">
GROUP BY ISNULL(d.depday, '#url.date1#')
ORDER BY ISNULL(d.depday, '#url.date1#') DESC
<CFELSE>
GROUP BY year(ISNULL(d.depday, '#url.date2#')),
month(ISNULL(d.depday, '#url.date2#'))
ORDER BY year(ISNULL(d.depday, '#url.date2#')),
month(ISNULL(d.depday, '#url.date2#'))
</CFIF>
And this worked. The report ran just fine, and the chart
charted every value correctly.
I guess you have to learn all the little "quirks" about CF7
and how it's QofQ and chart programs work. But so far, so good.
Thank you all for your help. Now I've got to update other old
CF5 programs that are returning errors when there are null values
from my LEFT OUTER JOIN queries. Will take some time, but at least
I know how to do it. Thanks to your help.
I really appreciate your time and efforts to help with this
issue.
Gary

How to retrieve null-valued attributes from a LDAP server?

(I posted this in the ES board but then thought this is more of a programmer's question, sorry for the duplication).
I am using JNDI api to do search operations on a Java Directory Server( part of SunOne).
However, I found all the attributes that do not have values are automatically filtered out from the search result.
NamingEnumeration answer = ctx.search(ctxName, filterExpr, cons);
               while(answer.hasMore()){
                    SearchResult sr = (SearchResult)answer.next();
                    Attributes attrs = sr.getAttributes();
                    for(NamingEnumeration ne = attrs.getIDs();ne.hasMore();){
                         System.out.println("ids:"+ne.next());
                    System.out.println("-------------------------------------------------------");
                   for (NamingEnumeration ae = sr.getAttributes().getAll(); ae.hasMore();) {
                       Attribute attr = (Attribute)ae.next();
                       System.out.println("attrName:"+attr.getID());
                       //System.out.println("attribute: " + attr.getID());
                       NamingEnumeration e = attr.getAll();
                       while(e.hasMore()){
                             System.out.println(" attrVal:"+e.next());
                   }Is there anything I did wrong here?
Here are a couple of things I noticed,
1. in a Softerra LDAP browser, those no-valued attributes are not present either. But in JXplorer, I can see the full list that includes the attributes that do not have a value.
2. I had Schema disabled in the server console.
Thank you in advance.

There are only two ways to read data from Directory Server:
1. a. just fetch the entry
b. display the content
2. a. fetch the entry
b. parse the entry and figure what object classes it is of
c. lookup each object class definition in the schema and retrieve the attribute list
d. combine the attributes of the entry with all the "possible" attributes of its object classe(s)
e. display the content
Here's for an easy example we can relate to:
I have the following entry in my DS
cn=the_duuuuuude,dc=forum,dc=sun,dc=com
objectClass: person
cn: the_duuuuuude
sn: arnaudIf you use method 1, you will get just what is stored in the db. That is:
cn=the_duuuuuude,dc=forum,dc=sun,dc=com
objectClass: person
cn: the_duuuuuude
sn: arnaudif you use method 2, you will get:
cn=the_duuuuuude,dc=forum,dc=sun,dc=com
objectClass: person
cn: the_duuuuuude
sn: arnaud
description:
seeAlso:
telephoneNumber:
userPassword:because when you looked up the 'person' object class you got this:
objectClasses: ( 2.5.6.6 NAME 'person' DESC 'Standard LDAP objectclass' SUP top MUST ( sn $ cn ) MAY ( description $ seeAlso $ telephoneNumber $ userPassword ) X-ORIGIN 'RFC 2256' )Now the important thing to note is that physically in the database, the attributes description, seeAlso, telephoneNumber and userPassword are NOT stored. It's not that they have a 'null' value. They're just not there. It doesn't stop you from looking up the schema.
Optimally, in your client, you would fetch the whole server schema and cache it so you have to do the extra round trip for every entry you process.
The difference you observe with various LDAP browsers might simply be that one uses method 1 and the other method 2.
Hope this helps wrap your mind around this.
-=arnaud=-

[Coercions] Attempt to apply operator "-" to null value

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