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How to avoid “if” chains?
...ll as a very good programming technique (short circuit evaluation). Furthermore, this can be used in any complex situation where creating functions would mess up the code.
– Sanchises
Jun 26 '14 at 18:49
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Convert String to Calendar Object in Java
...
This should not be the top/accepted answer any more. Since Java 8 is already out for more than 4 years the answer should be updated to mention java.time. This Q/A comes up pretty prominent on google.
– Scolytus
Oct 4 '18 at 10:16
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How to redirect output of an entire shell script within the script itself?
...lly, at the start of a line or after a semi-colon. (Yes, that can be made more precise; if you want to quibble, let me know.)
You are right that you can preserve the original stdout and stderr with the redirections you showed, but it is usually simpler for the people who have to maintain the scrip...
Vim: Move cursor to its last position
...trophe goes to the start of the line. On a UK keyboard, the apostrophe is more accessible, so I tend to use that one. There are loads of useful marks like this, see :help mark-motions.
For some other motions (not 2j I think), there's also the jump-list that lets you navigate back and forth among ...
Any way to break if statement in PHP?
... break an if, a lot of nested ifs won't be necessary, making the code much more clean and aesthetic.
This sample code illustrate that CERTAINS SITUATIONS where breaked if can be much more suitable than a lot of ugly nested ifs... if you haven't faced that certain situation does not mean it doesn't ...
Java - get pixel array from image
...n my application I was able to reduce the time of processing the pixels by more than 90% by just switching from the first approach to the second!
Here is a comparison I've setup to compare the two approaches:
import java.awt.image.BufferedImage;
import java.awt.image.DataBufferByte;
import java.io...
How to write the Fibonacci Sequence?
...nformation about the Fibonacci Sequence on wikipedia and on wolfram. A lot more than you may need. Anyway it is a good thing to learn how to use these resources to find (quickly if possible) what you need.
Write Fib sequence formula to infinite
In math, it's given in a recursive form:
In progra...
Get hostname of current request in node.js Express
... host in:
request.headers.host
But that relies on an incoming request.
More at http://nodejs.org/docs/v0.4.12/api/http.html#http.ServerRequest
If you're looking for machine/native information, try the process object.
sh...
What values should I use for CFBundleVersion and CFBundleShortVersionString?
...onString) is the public version number. The "version" (CFBundleVersion) is more of an internal version number that could change far more frequently than the public "short version". Personally I use the same for both but many people update the "version" on every build. Either way you typically update...
memory_get_peak_usage() with “real usage”
...rue)/1024/1024)." MiB\n\n";
$x .= str_repeat(' ', 1024*25); //store 25kb more to string
}
Output:
not real: 0.73469543457031 MiB
real: 0.75 MiB
not real: 0.75910949707031 MiB
real: 1 MiB
...
not real: 0.95442199707031 MiB
real: 1 MiB
not real: 0.97883605957031 MiB
real: 1 MiB
PHP Fatal err...