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Why should text files end with a newline?
...ty is not a valid concern. Complexity, wherever possible, should be moved from the programmers head and into the library.
– Doug Coburn
Dec 6 '18 at 18:11
29
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Dispelling the UIImage imageNamed: FUD
Edit Feb 2014: Note that this question dates from iOS 2.0! Image requirements and handling have moved on a lot since then. Retina makes images bigger and loading them slightly more complex. With the built in support for iPad and retina images, you should certainly use ImageNamed in your code .
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Can't find the PostgreSQL client library (libpq)
... edited Nov 23 '12 at 5:38
Marc-André Lafortune
70.6k1414 gold badges150150 silver badges162162 bronze badges
answered Sep 21 '11 at 9:44
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static const vs #define
...l than a post-preprocessing "if" as the code need not be compilable if not selected by the preprocessor), use #undef-ine, redefine etc.
substituted text has to be exposed:
in the translation unit it's used by, which means macros in libraries for client use must be in the header, so make and other ...
Linux/Unix command to determine if process is running?
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Sorry, but while the answer is certainly right from a semantic point of view I'm fully against trying to find a process by pattern matching on the process arg vector. Any such approach is doomed to fail sooner or later (you actually admit to that yourself, by saying that ...
java get file size efficiently
...ecessarily the same amount of bytes as file length. To get the real length from a stream, you really need to read it (and count the read bytes meanwhile).
– BalusC
Nov 26 '09 at 13:51
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Difference between java.util.Random and java.security.SecureRandom
...gruential Generator to produce random values in java.util.Random.
Taken from java.util.Random source code (JDK 7u2), from a comment on the method protected int next(int bits), which is the one that generates the random values:
This is a linear congruential pseudorandom number generator, as
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Objective-C for Windows
... Objective-C++ with GNUStep a few years ago. However, GNUStep does compile from just about any platform. Cocotron is a very mac-centric project. Although it is probably possible to compile it on other platforms, it comes XCode project files, not makefiles, so you can only compile its frameworks out ...
logger configuration to log to file and print to stdout
...e done only once near the beginning of the script. You can use the logging from all other places in the codebase later like this:
logging.info('Useful message')
logging.error('Something bad happened')
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Note: If it doesn't work, someone else has probably already initialized the logging system d...
Proper use of beginBackgroundTaskWithExpirationHandler
... if (completion) {
//run the completion block and remove it from the completion block dictionary
completion();
[self.dictTaskCompletionBlocks removeObjectForKey:[NSNumber numberWithUnsignedLong:_key]];
}
}
@synchronized(self.dictTaskIdentifie...