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What's the difference between :: (double colon) and -> (arrow) in PHP?
There are two distinct ways to access methods in PHP, but what's the difference?
6 Answers
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How to send a stacktrace to log4j?
...tion and get the following on the standard output (like, say, the console) if you do a e.printStackTrace() :
11 Answers
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What is a callback URL in relation to an API?
...k URL will be invoked by the API method you're calling after it's done. So if you call
POST /api.example.com/foo?callbackURL=http://my.server.com/bar
Then when /foo is finished, it sends a request to http://my.server.com/bar. The contents and method of that request are going to vary - check the d...
wildcard * in CSS for classes
...ese divs that I'm styling with .tocolor , but I also need the unique identifier 1,2,3,4 etc. so I'm adding that it as another class tocolor-1 .
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What is the best practice for “Copy Local” and with project references?
...t;Import Project="[relative path to Common.targets]" />
<!-- To modify your build process, add your task inside one of the targets below and uncomment it.
Other similar extension points exist, see Microsoft.Common.targets.
<Target Name="BeforeBuild">
</Target>
<T...
Appending an element to the end of a list in Scala
...t] = List(1, 2, 3, 4)
Note that this operation has a complexity of O(n). If you need this operation frequently, or for long lists, consider using another data type (e.g. a ListBuffer).
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Parse XML using JavaScript [duplicate]
...ad and convert) the XML found through using GeoNames' FindNearestAddress.
If your XML is in a string variable called txt and looks like this:
<address>
<street>Roble Ave</street>
<mtfcc>S1400</mtfcc>
<streetNumber>649</streetNumber>
<lat>37.4...
What is the purpose of the single underscore “_” variable in Python?
...ases above). For example year,month,day = date() will raise a lint warning if the day variable is not used later on in the code, the fix if the day is truly not needed is to write year,month,_ = date(). Same with lambda functions, lambda arg: 1.0 is creating a function requiring one argument but not...
A Windows equivalent of the Unix tail command [closed]
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If you use PowerShell then this works:
Get-Content filenamehere -Wait -Tail 30
Posting Stefan's comment from below, so people don't miss it
PowerShell 3 introduces a -Tail parameter to include only the last x lines
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JBoss vs Tomcat again [closed]
...ntioned, Tomcat provides a servlet container that supports the Servlet specification (Tomcat 7 supports Servlet 3.0). JBoss AS, a 'complete' application server supports Java EE 6 (including Servlet 3.0) in its current version.
Tomcat is fairly lightweight and in case you need certain Java EE featur...