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How to elegantly check if a number is within a range?
...agree this is a terrible idea performance-wise, but the OP wants something more fancy than an if statement. This certainly accomplishes that... ;)
– Tim Coker
Jul 6 '10 at 17:49
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How is the default max Java heap size determined?
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OSGi, Java Modularity and Jigsaw
...Jigsaw is probably necessary for the JRE only, but that it will create far more problems than it claims to solve if used by other Java libraries or apps.
The JRE is a very difficult and special case. It is over 12 years old and is a frightful mess, riddled with dependency cycles and nonsensical dep...
How to make Git “forget” about a file that was tracked but is now in .gitignore?
... to repository. To avoid this execute right after all that mataal said one more command: git update-index --assume-unchanged <path&filename>
– Dao
Aug 24 '11 at 16:39
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What does O(log n) mean exactly?
... systems are sophisticated enough that the robot doesn't try printing even more copies when it encounters a duplicate book for loading, but it still has to load every original and duplicate book that's been printed.
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How to see top processes sorted by actual memory usage?
...of file metadata and files that were requested, until something that looks more important pushes that data out. It's why you can run:
find /home -type f -name '*.mp3'
find /home -type f -name '*.aac'
and have the second find instance run at ridiculous speed.
Linux only leaves a little bit of mem...
What is normalized UTF-8 all about?
...ut. This is the faster normalization form to calculate, but the results in more code points (i.e. uses more space).
If you just want to compare two strings that are not already normalized, this is the preferred normalization form unless you know you need compatibility normalization.
NFC
NFC recombin...
Why create “Implicitly Unwrapped Optionals”, since that implies you know there's a value?
...ight into it. Even then, it is often good to unwrap the optional and use a more descriptive assert if it is nil.
When Not To Use An Implicitly Unwrapped Optional
1. Lazily Calculated Member Variables
Sometimes you have a member variable that should never be nil, but it cannot be set to the correc...
How do you convert Html to plain text?
...ry about <script> tags and the like then you'll need something a bit more powerful then regular expressions because you need to track state, omething more like a Context Free Grammar (CFG). Althought you might be able to accomplish it with 'Left To Right' or non-greedy matching.
If you can us...
How can I get file extensions with JavaScript?
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