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How to convert byte array to string and vice versa?
I have to convert a byte array to string in Android, but my byte array contains negative values.
22 Answers
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Mapping two integers to one, in a unique and deterministic way
Imagine two positive integers A and B. I want to combine these two into a single integer C.
18 Answers
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Generate random password string with requirements in javascript
I want to generate a random string that has to have 5 letters from a-z and 3 numbers.
18 Answers
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PHP ORMs: Doctrine vs. Propel
...g a new project with symfony which is readily integrated with Doctrine and Propel , but I of course need to make a choice.... I was wondering if more experienced people out there have general pros and/or cons for going with either of these two?
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Need for predictable random generator
I'm a web-game developer and I got a problem with random numbers. Let's say that a player has 20% chance to get a critical hit with his sword. That means, 1 out of 5 hits should be critical. The problem is I got very bad real life results — sometimes players get 3 crits in 5 hits, sometimes none i...
How to host a Node.Js application in shared hosting [closed]
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You can run node.js server on a typical shared hosting with Linux, Apache and PHP (LAMP). I have successfully installed it, even with NPM, Express and Grunt working fine. Follow the steps:
1) Create a new PHP file on the server with the following code and run it:
<?php
//Download and extract t...
Controlling fps with requestAnimationFrame?
...e for the most part, but right now I'm trying to do some canvas animations and I was wondering: Is there any way to make sure it runs at a certain fps? I understand that the purpose of rAF is for consistently smooth animations, and I might run the risk of making my animation choppy, but right now it...
JavaScript function similar to Python range()
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See this jsfiddle for a proof.
Comparison between range() in JavaScript and Python
It works in the following way:
range(4) returns [0, 1, 2, 3],
range(3,6) returns [3, 4, 5],
range(0,10,2) returns [0, 2, 4, 6, 8],
range(10,0,-1) returns [10, 9, 8, 7, 6, 5, 4, 3, 2, 1],
range(8,2,-2) returns [8...
do..end vs curly braces for blocks in Ruby
...worker who is actively trying to convince me that I should not use do..end and instead use curly braces for defining multiline blocks in Ruby.
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How to search and replace globally, starting from the cursor position and wrapping around the end of
When I search with the / Normal-mode command:
6 Answers
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