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What is the most robust way to force a UIView to redraw?

...ouble with that, you're likely running into one of these issues: You're calling it before you actually have the data, or your -drawRect: is over-caching something. You're expecting the view to draw at the moment you call this method. There is intentionally no way to demand "draw right now this ver...
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How to read data From *.CSV file using javascript?

... NOTE: I concocted this solution before I was reminded about all the "special cases" that can occur in a valid CSV file, like escaped quotes. I'm leaving my answer for those who want something quick and dirty, but I recommend Evan's answer for accuracy. This code will work when your...
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What's the cause of this FatalExecutionEngineError in .NET 4.5 beta? [closed]

The sample code below occurred naturally. Suddenly my code thew a very nasty-sounding FatalExecutionEngineError exception. I spent a good 30 minutes trying to isolate and minimize the culprit sample. Compile this using Visual Studio 2012 as a console app: ...
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MIN and MAX in C

Where are MIN and MAX defined in C, if at all? 14 Answers 14 ...
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I can’t find the Android keytool

... any turn-by-turn GPS apps to compete with theirs or something. I didn't really read it. Oops. So go to http://code.google.com/android/maps-api-signup.html and check it out. They want you to check the "I have read and agree with the terms and conditions" box and enter your certificate's MD5 fingerp...
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In Python, how do I indicate I'm overriding a method?

... Based on this and fwc:s answer I created a pip installable package https://github.com/mkorpela/overrides From time to time I end up here looking at this question. Mainly this happens after (again) seeing the same bug in our code base: Someone has forgotten some "interface" i...
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Is gcc's __attribute__((packed)) / #pragma pack unsafe?

... Yes, __attribute__((packed)) is potentially unsafe on some systems. The symptom probably won't show up on an x86, which just makes the problem more insidious; testing on x86 systems won't reveal the problem. (On the x86, misaligned accesses are handled in hardwa...
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How do I log a Python error with debug information?

...g.exception("message") Output: ERROR:root:message Traceback (most recent call last): File "<stdin>", line 2, in <module> ZeroDivisionError: integer division or modulo by zero @Paulo Cheque notes, "be aware that in Python 3 you must call the logging.exception method just inside the ex...
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Why isn't sizeof for a struct equal to the sum of sizeof of each member?

... errors. Here's an example using typical settings for an x86 processor (all used 32 and 64 bit modes): struct X { short s; /* 2 bytes */ /* 2 padding bytes */ int i; /* 4 bytes */ char c; /* 1 byte */ /* 3 padding bytes */ }; struct Y { int i; /* 4...
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Accessing a Shared File (UNC) From a Remote, Non-Trusted Domain With Credentials

... The way to solve your problem is to use a Win32 API called WNetUseConnection. Use this function to connect to a UNC path with authentication, NOT to map a drive. This will allow you to connect to a remote machine, even if it is not on the same domain, and even if it has a diff...