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Has an event handler already been added?
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From outside the defining class, as @Telos mentions, you can only use EventHandler on the left-hand side of a += or a -=. So, if you have the ability to modify the defining class, you could provide a method to perform the check by checking if the event handler is null...
How do I tidy up an HTML file's indentation in VI?
How do I fix the indentation of his huge html files which was all messed up?
11 Answers
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Why does Eclipse automatically add appcompat v7 library support whenever I create a new project?
...t library by default because of the large diversity of devices and the fragmentation that exists between the different versions of Android (and thus, of the provided APIs).
This is the reason why Android code templates tools included in Eclipse through the Android Development Tools (ADT) integrate ...
How to print to console when using Qt
I'm using Qt4 and C++ for making some programs in computer graphics. I need to be able to print some variables in my console at run-time, not debugging, but cout doesn't seem to work even if I add the libraries. Is there a way to do this?
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Count the number of commits on a Git branch
...und this answer already: Number of commits on branch in git
but that assumes that the branch was created from master.
12 ...
PyLint, PyChecker or PyFlakes? [closed]
I would like to get some feedback on these tools on :
2 Answers
2
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Where to store global constants in an iOS application?
...ve a configuration file storing the base URL of the server. It will look something like this:
11 Answers
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How can I remove a character from a string using Javascript?
...ving so much fun here and user1293504 doesn't seem to be coming back any time soon to answer clarifying questions, here's a method to remove the Nth character from a string:
String.prototype.removeCharAt = function (i) {
var tmp = this.split(''); // convert to an array
tmp.splice(i - 1 , 1)...
How to debug in Django, the good way? [closed]
So, I started learning to code in Python and later Django . The first times it was hard looking at tracebacks and actually figure out what I did wrong and where the syntax error was. Some time has passed now and some way along the way, I guess I got a routine in debugging my Django code. As this ...
Preventing referenced assembly PDB and XML files copied to output
...hat I'm also getting the referenced assemblies' .pdb (debug) and .xml (documentation) files in my output directory (and ZIP).
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