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Best way to test if a row exists in a MySQL table
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Java time-based map/cache with expiring keys [closed]
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329
Yes. Google Collections, or Guava as it is named now has something called MapMaker which can do...
How do API Keys and Secret Keys work? Would it be secure if I have to pass my API and secret keys to
I am just starting to think about how api keys and secret keys work. Just 2 days ago I signed up for Amazon S3 and installed the S3Fox Plugin . They asked me for both my Access Key and Secret Access Key, both of which require me to login to access.
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How can I extract audio from video with ffmpeg?
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How to access object attribute given string corresponding to name of that attribute
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297
There are built-in functions called getattr and setattr
getattr(object, attrname)
setattr(obj...
What are the differences between PMD and FindBugs?
...may return null, reference comparison of Boolean values, impossible cast, 32bit int shifted by an amount not in the range of 0-31, a collection which contains itself, equals method always returns true, an infinite loop, etc.
Usually each of them finds a different set of problems. Use both. These to...
Creating PHP class instance with a string
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492
Yes, you can!
$str = 'One';
$class = 'Class'.$str;
$object = new $class();
When using namespa...
IntelliJ inspection gives “Cannot resolve symbol” but still compiles code
Platform: IntelliJ Community Edition 10.0.3
SDK: jdk1.6.0_21
OS: Windows 7
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PG::ConnectionBad - could not connect to server: Connection refused
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