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Regex doesn't work in String.matches()
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Welcome to Java's misnamed .matches() method... It tries and matches ALL the input. Unfortunately, other languages have followed suit :(
If you want to see if the regex matches an input text, use a Pattern, a Matcher and the .find() method of the matcher:
Pattern p = Pattern.comp...
Catch Ctrl-C in C
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With a signal handler.
Here is a simple example flipping a bool used in main():
#include <signal.h>
static volatile int keepRunning = 1;
void intHandler(int dummy) {
keepRunning = 0;
}
// ...
int main(void) {
signal(SIG...
Finding the path of the program that will execute from the command line in Windows
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Use the where command. The first result in the list is the one that will execute.
C:\> where notepad
C:\Windows\System32\notepad.exe
C:\Windows\notepad.exe
According to this blog post, where.exe is included with Windows Server 2003 and...
Cast to int vs floor
... Even when the result is positive it's not guaranteed. See this and this.
– user202729
May 16 '18 at 3:38
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Cryptic “Script Error.” reported in Javascript in Chrome and Firefox
I have a script that detects Javascript errors on my website and sends them to my backend for reporting. It reports the first error encountered, the supposed line number, and the time.
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What is std::promise?
I'm fairly familiar with C++11's std::thread , std::async and std::future components (e.g. see this answer ), which are straight-forward.
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Best way to convert string to bytes in Python 3?
...Sequence Types, as well as most methods that the bytes type has, see Bytes and Byte Array Methods.
The optional source parameter can be used to initialize the array in a few different ways:
If it is a string, you must also give the encoding (and optionally, errors) parameters; bytearray() then conve...
How to log something in Rails in an independent log file?
In rails I want to log some information in a different log file and not the standard development.log or production.log. I want to do this logging from a model class.
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How can I do a case insensitive string comparison?
... method to test whether two strings are equal.
Use the String.Compare and String.CompareTo methods to sort strings, not to check for equality.
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“Pretty” Continuous Integration for Python
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You might want to check out Nose and the Xunit output plugin. You can have it run your unit tests, and coverage checks with this command:
nosetests --with-xunit --enable-cover
That'll be helpful if you want to go the Jenkins route, or if you want to use ...