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Creating Unicode character from its number
I want to display a Unicode character in Java. If I do this, it works just fine:
13 Answers
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Look up all descendants of a class in Ruby
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edited Apr 26 '12 at 10:57
answered Mar 6 '10 at 19:04
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SecItemAdd and SecItemCopyMatching returns error code -34018 (errSecMissingEntitlement)
... and can't be consistently reproduced. (happens maybe 30% of the time, and it's not clear to me why it happens). What makes debugging this problem very difficult is the total lack of documentation. Any idea what causes this and how to fix it? I'm using Xcode 5 and running iOS 7.0.4 on device.
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Should I use string.isEmpty() or “”.equals(string)?
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The main benefit of "".equals(s) is you don't need the null check (equals will check its argument and return false if it's null), which you seem to not care about. If you're not worried about s being null (or are otherwise checking for it)...
Install tkinter for Python
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It is not very easy to install Tkinter locally to use with system-provided Python. You may build it from sources, but this is usually not the best idea with a binary package-based distro you're apparently running.
It's safer...
Laravel Eloquent: How to get only certain columns from joined tables
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edited Jan 12 '15 at 9:52
Bas Peeters
2,97544 gold badges2929 silver badges4747 bronze badges
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Javascript: Setting location.href versus location
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You might set location directly because it's slightly shorter. If you're trying to be terse, you can usually omit the window. too.
URL assignments to both location.href and location are defined to work in JavaScript 1.0, back in Netscape 2, and have been implement...
Visual Studio Solutions Folder as real Folders
I have a Visual Studio Solution. Currently, it is an empty solution (=no projects) and I have added a few solution folders.
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Debugging WebSocket in Google Chrome
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Chrome developer tools now have the ability to list WebSocket frames and also inspect the data if the frames are not binary.
Process:
Launch Chrome Developer tools
Load your page and initiate the WebSocket connections
Click the Network Tab.
Select the WebSocket ...
Is there a download function in jsFiddle?
Is there a download function in jsFiddle, so you can download an HTML with the CSS, HTML and JS in one file, so you can run it without jsFiddle for debug purposes?
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