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How to tell if a file is git tracked (by shell exit code)?
...older (1.6.0) version of git, you need to put the --error-unmatch option before the filename to get an error. Somehow the option is only applied to filenames that follow it.
– Alex Dupuy
Feb 7 '12 at 8:05
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Shell command to tar directory excluding certain files/folders
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You can have multiple exclude options for tar so
$ tar --exclude='./folder' --exclude='./upload/folder2' -zcvf /backup/filename.tgz .
etc will work. Make sure to put --exclude before the source and destination items.
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Why does Java switch on contiguous ints appear to run faster with added cases?
... case values are contiguous (as opposed to sparse), the generated bytecode for your various tests uses a switch table (bytecode instruction tableswitch).
However, once the JIT starts its job and compiles the bytecode into assembly, the tableswitch instruction does not always result in an array of p...
How can I get the current PowerShell executing file?
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I've tried to summarize the various answers here, updated for PowerShell 5:
If you're only using PowerShell 3 or higher, use $PSCommandPath
If want compatibility with older versions, insert the shim:
if ($PSCommandPath -eq $null) { function GetPSCommandPath() { return $MyInvocatio...
UTF-8: General? Bin? Unicode?
I'm trying to figure out what collation I should be using for various types of data. 100% of the content I will be storing is user-submitted.
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JSON.stringify without quotes on properties?
I'm using a service which uses incorrect JSON format (no double quotes around properties). So I need to send
9 Answers
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How to check version of python modules?
... systems, you can pipe this to grep(or findstr on Windows) to find the row for the particular package you're interested in:
Linux:
$ pip freeze | grep lxml
lxml==2.3
Windows:
c:\> pip freeze | findstr lxml
lxml==2.3
For an individual module, you can try the __version__ attribute, however ther...
How to create an HTTPS server in Node.js?
...ssewell.com/blog/2010/06/03/node-js-https-ssl-server-example/
This works for node v0.1.94 - v0.3.1. server.setSecure() is removed in newer versions of node.
Directly from that source:
const crypto = require('crypto'),
fs = require("fs"),
http = require("http");
var privateKey = fs.readFileS...
JavaScript + Unicode regexes
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Situation for ES 6
The upcoming ECMAScript language specification, edition 6, includes Unicode-aware regular expressions. Support must be enabled with the u modifier on the regex. See Unicode-aware regular expressions in ES6.
Until ES ...
Predicate Delegates in C#
...ence to a function that returns true or false. Predicates are very useful for filtering a list of values - here is an example.
using System;
using System.Collections.Generic;
class Program
{
static void Main()
{
List<int> list = new List<int> { 1, 2, 3 };
Pre...