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Is there a RegExp.escape function in Javascript?
...he function linked above is insufficient. It fails to escape ^ or $ (start and end of string), or -, which in a character group is used for ranges.
Use this function:
function escapeRegex(string) {
return string.replace(/[-\/\\^$*+?.()|[\]{}]/g, '\\$&');
}
While it may seem unnecessary a...
Node: log in a file instead of the console
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Update 2013 - This was written around Node v0.2 and v0.4; There are much better utilites now around logging. I highly recommend Winston
Update Late 2013 - We still use winston, but now with a logger library to wrap the functionality around logging of custom objects and fo...
Enum Naming Convention - Plural
...read similar but not exactly what I want at C# naming convention for enum and matching property
9 Answers
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In C#, how do I calculate someone's age based on a DateTime type birthday?
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An easy to understand and simple solution.
// Save today's date.
var today = DateTime.Today;
// Calculate the age.
var age = today.Year - birthdate.Year;
// Go back to the year in which the person was born in case of a leap year
if (birthdat...
how to draw directed graphs using networkx in python?
... to map on to a graph. In the below, I want to use Arrow to go from A to D and probably have the edge colored too in (red or something).
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`date` command on OS X doesn't have ISO 8601 `-I` option?
... want to print the current datetime in ISO 8601 format (preferably UTC), and it seems that this should be as simple as date -I :
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How to tell which commit a tag points to in Git?
I have a bunch of unannotated tags in the repository and I want to work out which commit they point to. Is there a command that that will just list the tags and their commit SHAs? Checking out the tag and looking at the HEAD seems a bit too laborious to me.
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Return index of greatest value in an array
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This is probably the best way, since it’s reliable and works on old browsers:
function indexOfMax(arr) {
if (arr.length === 0) {
return -1;
}
var max = arr[0];
var maxIndex = 0;
for (var i = 1; i < arr.length; i++) {
if (arr[i] > m...
Setting an environment variable before a command in Bash is not working for the second command in a
In a given shell, normally I'd set a variable or variables and then run a command. Recently I learned about the concept of prepending a variable definition to a command:
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How can I determine the URL that a local Git repository was originally cloned from?
...ew days ago. I've since discovered that there are several forks on GitHub, and I neglected to note which one I took originally. How can I determine which of those forks I pulled?
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