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Getting the exception value in Python
...ses will have an args attribute. Often, args[0] will be an error message.
It should be noted that just using str will return an empty string if there's no error message whereas using repr as pyfunc recommends will at least display the class of the exception. My take is that if you're printing it ou...
How do I use $scope.$watch and $scope.$apply in AngularJS?
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You need to be aware about how AngularJS works in order to understand it.
Digest cycle and $scope
First and foremost, AngularJS defines a concept of a so-called digest cycle. This cycle can be considered as a loop, during which AngularJS checks if there are any changes to all the variables wa...
Escaping HTML strings with jQuery
... to escape HTML from strings in jQuery ? I need to be able to pass an arbitrary string and have it properly escaped for display in an HTML page (preventing JavaScript/HTML injection attacks). I'm sure it's possible to extend jQuery to do this, but I don't know enough about the framework at the mo...
Creating your own header file in C
Can anyone explain how to create a header file in C with a simple example from beginning to end.
4 Answers
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Garbage collector in Android
...n many Android answers that suggest calling the garbage collector in some situations.
11 Answers
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If I revoke an existing distribution certificate, will it mess up anything with existing apps?
...ho has the key to sign the app, they finally came back and said, "Just get it done!". So I am wondering how to proceed. If I go into the provisioning portal, and revoke the dist certificate, and then re-assign one, will I then be able to sign the app and upload it without problem?
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Checking to see if a DateTime variable has had a value assigned
Is there an easy way within C# to check to see if a DateTime instance has been assigned a value or not?
9 Answers
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How to fix the flickering in User controls
...ated no. of user controls, but during navigation my controls gets flicker. it takes 1 or 2 sec to update. I tried to set this
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What does “DAMP not DRY” mean when talking about unit tests?
I heard someone say that unit tests (e.g. nUnit, jUnit, xUnit) should be
8 Answers
8
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Java, How do I get current index/key in “for each” loop [duplicate]
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You can't, you either need to keep the index separately:
int index = 0;
for(Element song : question) {
System.out.println("Current index is: " + (index++));
}
or use a normal for loop:
for(int i = 0; i < question.length; i++) {
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