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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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WebSockets protocol vs HTTP

There are many blogs and discussions about websocket and HTTP, and many developers and sites strongly advocate websockets, but i still can not understand why. ...
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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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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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What are the rules for evaluation order in Java?

I am reading some Java text and got the following code: 5 Answers 5 ...
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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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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...
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Simple explanation of MapReduce?

... Going all the way down to the basics for Map and Reduce. Map is a function which "transforms" items in some kind of list to another kind of item and put them back in the same kind of list. suppose I have a list of numbers: [1,2,3] and I want to double every number, ...
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Build an ASCII chart of the most commonly used words in a given text [closed]

... LabVIEW's very happy in its hardware control and measurement niche, but really pretty awful for string manipulation. – Joe Z Jul 4 '10 at 6:23 ...
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How to set specific java version to Maven

On my machine I have two java versions installed: (1.6 and 1.7 installed manually by me). I need both of them for different projects. But for Maven I need 1.7, now my Maven uses 1,6 java version, how can I set Maven to use 1.7? ...