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Retrieve the commit log for a specific line in a file?
...Grab those, and run git blame -n $n,$n $commit^ $file, i.e. the same thing starting from the commit before the last time the file was changed.
(Note that this will fail you if the last commit that changed the line was a merge commit. The primary way this could happen if the line was changed as part...
How do I reattach to a detached mosh session?
... does not (and cannot easily) solve is detecting that the client machine restarted without gracefully closing the mosh session.
– binki
Jan 12 '14 at 4:18
7
...
Converting Secret Key into a String and Vice Versa
...it:
You should look at the Key/SecretKey javadocs (available right at the start of a google page):
http://download.oracle.com/javase/6/docs/api/java/security/Key.html
Or this from CodeRanch (also found with the same google search):
http://www.coderanch.com/t/429127/java/java/Convertion-between-S...
Replace words in a string - Ruby
...ging"
Regular expressions have word boundaries, such as \b which matches start or end of a word. Thus,
'mislocated cat, vindicating'.gsub(/\bcat\b/, 'dog')
=> "mislocated dog, vindicating"
In Ruby, unlike some other languages like Javascript, word boundaries are UTF-8-compatible, so you can ...
How can I use PowerShell with the Visual Studio Command Prompt?
...
The simplest option is to run the VS 2010 command prompt and then start PowerShell.exe. If you really want to do this from your "home" PowerShell prompt, the approach you show is the way to go. I use a script that Lee Holmes wrote a while back:
<#
.SYNOPSIS
Invokes the specified ba...
How to allow http content within an iframe on a https site
... IIS, Apache
Get valid SSL certificate to avoid security errors (free from startssl.com for example)
Write a wrapper, which will download insecure content (how to below)
From your site/app get https://yourproxy.com/?page=http://insecurepage.com
If you simply download remote site content via file_g...
Database sharding vs partitioning
...stagram solved their partitioning in the early days (see link below). They started out partitioned on very few servers, using Postgres to divide the data from the get-go. I believe it was several thousand logical shards on those few physical shards. Read their awesome writeup from 2012 here: Instagr...
How to split a long regular expression into multiple lines in JavaScript?
...n:
regex`^\s*
(
//closing the object
(\})|
//starting from open or comma you can...
(?:[,{]\s*)(?:
//have a rest operator
(\.\.\.)
|
//have a property key
(
//a non-negative integer
...
Get file size, image width and height before upload
...
So I started experimenting with the different things that FileReader API had to offer and could create an IMG tag with a DATA URL.
Drawback: It doesn't work on mobile phones, but it works fine on Google Chrome.
$('input').ch...
Programmatically creating Markdown tables in R with KnitR
I am just starting to learn about KnitR and the use of Markdown in generating R documents and reports. This looks to be perfect for a lot of the day to day reporting that I have to do with my job. However, one thing that I'm not seeing is an easy way to print data frames and tables using Markdown fo...