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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 ...
C# Lazy Loaded Automatic Properties
... In the case IOnlyWantToCallYouOnce returns null it will call it more than once.
– JaredPar
Oct 27 '10 at 19:26
9
...
How to make good reproducible pandas examples
...olumns, this can be used to easily duplicate r's expand.grid() but is also more flexible in ability to provide a subset of all permutations. However, for 3 or more columns the syntax quickly becomes unwieldy.
For a more direct replacement for r's expand.grid() see the itertools solution in the pand...
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...
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...
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
...
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...
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...