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LINQPad [extension] methods [closed]
...ebox1_Paint(object sender, System.Windows.Forms.PaintEventArgs e)
{
// https://stackoverflow.com/a/14143574/1016343
System.Drawing.Bitmap bmp = new System.Drawing.Bitmap(pathImg);
System.Drawing.Point ulPoint = new System.Drawing.Point(0, 0);
e.Graphics.DrawImage(bmp, ulPoint.X, ulPo...
What are the differences between Generics in C# and Java… and Templates in C++? [closed]
...e from this situation, consider the following code:
Y<int>::my_type(123);
This code statement is perfectly valid and tells C++ to execute the function call to Y<int>::my_type. However, if my_type is not a function but rather a type, this statement would still be valid and perform a sp...
How can I transform between the two styles of public key format, one “BEGIN RSA PUBLIC KEY”, the oth
... this website to be a good technical explanation of the different formats: https://polarssl.org/kb/cryptography/asn1-key-structures-in-der-and-pem
"BEGIN RSA PUBLIC KEY" is PKCS#1, which can only contain RSA keys.
"BEGIN PUBLIC KEY" is PKCS#8, which can contain a variety of formats.
If you just w...
Running Bash commands in Python
...r((i=1;i<=$#;i++)); do
# Arrays are Bash-only
array[i]+=123
done''',
shell=True, check=True,
executable='/bin/bash')
A subprocess is separate from its parent, and cannot change it
A somewhat common mistake is doing something like
subprocess.run('foo=bar', shell=Tru...
How does PHP 'foreach' actually work?
...AP is a visible feature of an array (exposed through the current family of functions), as such changes to the IAP count as modifications under copy-on-write semantics. This, unfortunately, means that foreach is in many cases forced to duplicate the array it is iterating over. The precise conditions ...
Pretty-print C++ STL containers
...sert("hello");
j.insert("world");
double k[] = { 1.1, 2.2, M_PI, -1.0/123.0 };
std::cout << i << "\n" << j << "\n" << k << "\n";
}
It currently only works with vector and set, but can be made to work with most containers, just by expanding on the IsConta...
What to do Regular expression pattern doesn't match anywhere in string?
... with regular expressions and therefore do so poorly.
But this is not some fundamental flaw related to computational theory. That silliness is parroted a lot around here, but don’t you believe them.
So while it certainly can be done (this posting serves as an existence proof of this incontrovertib...
What is your most productive shortcut with Vim?
...to point new folks who want a good explanation of what vi power users find fun about vi. Then I'll tell them about Emacs and they can decide.)
– Brandon Rhodes
Mar 29 '10 at 15:26
...
Repeat String - Javascript
...sive algorithm (also called "divide and conquer") is on a string of length 123,457. On my FreeBSD computer this algorithm, implemented in the stringFill3() function, creates the string in 0.001058 seconds, while the original stringFill1() function creates the string in 0.0808 seconds. The new functi...
Type-juggling and (strict) greater/lesser-than comparisons in PHP
... admit it puzzles me, and I'm having a hard time to find out basic logical/fundamental things in comparisons.
3 Answers
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