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How can I remove an SSH key?
...Lue adds another interesting corner case in the comments:
In case this helps anyone: I even tried deleting the id_rsa and id_rsa.pub files altogether, and the key was still showing up.
Turns out gpg-agent was caching them in a ~/.gnupg/sshcontrol file; I had to manually delete them from there.
T...
How to find/identify large commits in git history?
...e largest objects in your repo's pack file.
# Written for osx.
#
# @see https://stubbisms.wordpress.com/2009/07/10/git-script-to-show-largest-pack-objects-and-trim-your-waist-line/
# @author Antony Stubbs
# set the internal field separator to line break, so that we can iterate easily over the verif...
?: operator (the 'Elvis operator') in PHP
...nother important consideration: The Elvis Operator breaks the Zend Opcache tokenization process. I found this the hard way! While this may have been fixed in later versions, I can confirm this problem exists in PHP 5.5.38 (with in-built Zend Opcache v7.0.6-dev).
If you find that some of your files ...
Compare DATETIME and DATE ignoring time portion
...BETWEEN operator doesn't work because it permits equality on both sides.
PS: Another means of extracting the date only (in older versions of SQL Server) is to use a trick of how the date is represented internally.
Cast the date as a float.
Truncate the fractional part
Cast the value back to a da...
How to open a specific port such as 9090 in Google Compute Engine
...090, in "Protocols and Ports" enter tcp:9090
Click Create
I hope this helps you.
Update Please refer to docs to customize your rules.
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Generating a UUID in Postgres for Insert statement?
...apt-get install postgresql-contrib has successfully run. Then I had to run psql -d dbname -f SHAREDIR/contrib/module.sql and now it works!!! select uuid_generate_v1(); returns 1 now now. Thanks so much!
– anon58192932
Sep 29 '12 at 22:13
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Interfaces with static fields in java for sharing 'constants'
...that the new syntax would be respected by all your index implementations.
PS: The inspiration for this example is drawn from the Neo4j spatial code.
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Storing money in a decimal column - what precision and scale?
... for storage. Accountants generally seem to favour four decimal places.
PS Avoid SQL Server's MONEY data type because it has serious issues with accuracy when rounding, among other considerations such as portability etc. See Aaron Bertrand's blog.
Microsoft and language designers chose banker'...
Rotating a point about another point (2D)
...
This is the answer by Nils Pipenbrinck, but implemented in c# fiddle.
https://dotnetfiddle.net/btmjlG
using System;
public class Program
{
public static void Main()
{
var angle = 180 * Math.PI/180;
Console.WriteLine(rotate_point(0,0,angle,new Point{X=10, Y=10}).Print()...
Load and execute external js file in node.js with access to local variables?
...L scope that's always a bad thing to do, instead you can use the 'exports' token, like this:
// circle.js
var PI = 3.14; // PI will not be accessible from outside this module
exports.area = function (r) {
return PI * r * r;
};
exports.circumference = function (r) {
return 2 * PI * r;
};
An...