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Create a pointer to two-dimensional array
...is provided by the array l_matix itself. The pointers to them take storage from where-ever they are declared in and as (stack, static data segment, ...).
– Johannes Schaub - litb
Jun 27 '09 at 19:32
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Fast Linux File Count for a large number of files
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printf("%s contains %ld files\n", argv[1], count);
return 0;
}
From my testing without regard to cache, I ran each of these about 50 times each against the same directory, over and over, to avoid cache-based data skew, and I got roughly the following performance numbers (in real clock ti...
Adding n hours to a date in Java?
...usHours( 8 )
Or…
myJavaUtilDate.toInstant() // Convert from legacy class to modern class, an `Instant`, a point on the timeline in UTC with resolution of nanoseconds.
.plus( // Do the math, adding a span of time to our moment, our `Instant`.
...
CSRF protection with CORS Origin header vs. CSRF token
...h would enable an attacker to send a request with a spoofed referer header from the victim's machine in order to execute an attack.
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Can I call jquery click() to follow an link if I haven't bound an event handler to it with bind
...or theclick event before it proceeds. Why not just get the href attribute from the link and manually change the page location?
window.location.href = $('a').attr('href');
EDIT: Here is why it doesn't click through, from the trigger function, jQuery source for version 1.3.2:
// Handle triggeri...
Unzipping files in Python
....html I unzip to the temporary directory and the move / organize the files from there.
– Dave Forgac
Jul 12 '17 at 17:28
10
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How do I set a variable to the output of a command in Bash?
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Some Bash tricks I use to set variables from commands
Sorry, there is a loong answer, but there is more than one solution, shorter or quicker, more or less system friendly...
3rd Edit: 2020-09-05: About {fdname}<> syntax under bash See at top of bash features...
Renaming branches remotely in Git
..._branch new_branch
git push -u origin new_branch
To remove an old branch from remote:
git push origin :old_branch
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Difference between declaring variables before or in loop?
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Which is better, a or b?
From a performance perspective, you'd have to measure it. (And in my opinion, if you can measure a difference, the compiler isn't very good).
From a maintenance perspective, b is better. Declare and initialize variables in t...
Setting different color for each series in scatter plot on matplotlib
...hem, this sometimes is easier to perform.
import matplotlib.pyplot as plt
from random import randint
import numpy as np
#Let's generate some random X, Y data X = [ [frst group],[second group] ...]
X = [ [randint(0,50) for i in range(0,5)] for i in range(0,24)]
Y = [ [randint(0,50) for i in range(0...