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How to throw a C++ exception
...
Simple:
#include <stdexcept>
int compare( int a, int b ) {
if ( a < 0 || b < 0 ) {
throw std::invalid_argument( "received negative value" );
}
}
The Standard Library comes with a nice collection of built-in exception objects you can throw. Keep in mind ...
Print a list of all installed node.js modules
In a node.js script that I'm working on, I want to print all node.js modules (installed using npm) to the command line. How can I do this?
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Change a column type from Date to DateTime during ROR migration
...my column type from date to datetime for an app I am making. I don't care about the data as its still being developed.
5 An...
How to read the RGB value of a given pixel in Python?
If I open an image with open("image.jpg") , how can I get the RGB values of a pixel assuming I have the coordinates of the pixel?
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endsWith in JavaScript
...24th, 2015):
This answer is originally posted in the year 2010 (SIX years back.) so please take note of these insightful comments:
Shauna - Update for Googlers - Looks like ECMA6 adds this function. The MDN article also shows a polyfill. https://developer.mozilla.org/en-US/docs/Web/JavaScript/Ref...
Replace a string in shell script using a variable
I am using the below code for replacing a string
inside a shell script.
10 Answers
10
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Count occurrences of a char in a string using Bash
I need to count the number of occurrences of a char in a string using Bash.
7 Answers
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How to grab substring before a specified character jQuery or JavaScript
I am trying to extract everything before the ',' comma. How do I do this in JavaScript or jQuery? I tried this and not working..
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How to reference generic classes and methods in xml documentation
...<see cref="something">something</see> , which works of course. But how do you reference a class or a method with generic types?
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Redirect stdout to a file in Python?
How do I redirect stdout to an arbitrary file in Python?
10 Answers
10
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