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Setting JDK in Eclipse

... the "Add" option in installed JREs window. Problem is when I checked mthe one I wanted Eclipse to use it did not get picked up as the Default workspace JRE. So when I looked in my project properties the "JRE System Library" was still there. When I deleted it and selected "Use default Workspace JR...
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In Django, how do I check if a user is in a certain group?

...roup for this example user = User.objects.get(pk = 1) # assuming, there is one initial user user.groups.add(group) # user is now in the "Editor" group then user.groups.all() returns [<Group: Editor>]. Alternatively, and more directly, you can check if a a user is in a group by: i...
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Codesign error: Certificate identity appearing twice

CodeSign error: Certificate identity 'iPhone Developer: XXXX (12345678)' appears more than once in the keychain. The codesign tool requires there only be one. ...
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How to generate a random number in C++?

...em of your test application is that you call srand once and then call rand one time and exit. The whole point of srand function is to initialize the sequence of pseudo-random numbers with a random seed. It means that if you pass the same value to srand in two different applications (with the same sr...
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Good PHP ORM Library?

...hands down the best database abstraction layer i've ever worked with. not "one of the best" - the best. – Nir Gavish Feb 15 '10 at 18:15 ...
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What's the difference between Require.js and simply creating a element in the DOM? [closed]

...er from the truth. It definitely has a steep learning curve for you and anyone else who will come to work in that project. – Sahat Yalkabov Sep 30 '13 at 3:06 3 ...
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Loaded nib but the 'view' outlet was not set

... XIB file causing problems Click on file's owner icon on the left bar (top one, looks like a yellow outlined box) If you don't see the right-hand sidebar, click on the third icon above "view" in your toolbar. This will show the right-hand sidebar In the right-hand sidebar, click on the third tab--th...
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What is the purpose of python's inner classes?

...r class: Logical grouping of classes: If a class is useful to only one other class then it is logical to embed it in that class and keep the two together. Nesting such "helper classes" makes their package more streamlined. Increased encapsulation: Consider two top-level classes A and B whe...
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Good MapReduce examples [closed]

...the list, like: 3 : 3 4 : 3 5 : 2 8 : 2 The reductions can also be done in parallel, again providing a huge advantage. We can then look at these final results and see that there were only two words of length 5 in our corpus, etc... The most common example of mapreduce is for counting...
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How do I set the selected item in a comboBox to match my string using C#?

...o I set the selected item to "test1"? That is, how do I match my string to one of the comboBox items? 25 Answers ...