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Operational Transformation library?
I'm looking for a library that would allow me to synchronize text in real-time between multiple users (ala Google Docs).
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Java, How do I get current index/key in “for each” loop [duplicate]
In Java, How do I get the current index for the element in Java?
7 Answers
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Vertical Text Direction
... have been trying text to go in a vertical direction like we can do in ms-word tables but so far I have only been able to do THIS ... which I am not happy with because it's a box rotated... Isn't there a way to have actual vertical direction text?
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Create an array with random values
...'s a solution that shuffles a list of unique numbers (no repeats, ever).
for (var a=[],i=0;i<40;++i) a[i]=i;
// http://stackoverflow.com/questions/962802#962890
function shuffle(array) {
var tmp, current, top = array.length;
if(top) while(--top) {
current = Math.floor(Math.random() * (t...
How can I pretty-print JSON using Go?
... json.MarshalIndent(data, "", " ") will pretty-print using four spaces for indentation.
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How to install a specific JDK on Mac OS X?
I want to install a specific JDK (the latest for example). For this, I went to the JDK download homepage: http://java.sun.com/javase/downloads/index.jsp .
I looked for a Mac version, but I'm a bit surprised to only see downloadable versions for Linux, Windows and Solaris ...
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How to view AndroidManifest.xml from APK file?
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Yes you can view XML files of an Android APK file. There is a tool for this: android-apktool
It is a tool for reverse engineering 3rd
party, closed, binary Android apps
How to do this on your Windows System:
Download apktool-install-windows-* file
Download apktool-* file
Unpack bo...
git pull error :error: remote ref is at but expected
...ou are running git under a file system that is not case sensitive (Windows or OS X) this will occur if there are two branches with the same name but different capitalisation, e.g. user_model_changes and User_model_changes as both of the remote branches will match the same tracking ref.
Delete the w...
Command to get nth line of STDOUT
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Using sed, just for variety:
ls -l | sed -n 2p
Using this alternative, which looks more efficient since it stops reading the input when the required line is printed, may generate a SIGPIPE in the feeding process, which may in turn generate...
Add new row to dataframe, at specific row-index, not appended?
The following code combines a vector with a dataframe:
4 Answers
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