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What does “use strict” do in JavaScript, and what is the reasoning behind it?

Recently, I ran some of my JavaScript code through Crockford's JSLint , and it gave the following error: 28 Answers ...
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Please explain the exec() function and its family

What is the exec() function and its family? Why is this function used and how does its work? 7 Answers ...
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How to avoid mysql 'Deadlock found when trying to get lock; try restarting transaction'

I have a innoDB table which records online users. It gets updated on every page refresh by a user to keep track of which pages they are on and their last access date to the site. I then have a cron that runs every 15 minutes to DELETE old records. ...
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Blocks and yields in Ruby

I am trying to understand blocks and yield and how they work in Ruby. 10 Answers 10 ...
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What exactly does git's “rebase --preserve-merges” do (and why?)

Git's documentation for the rebase command is quite brief: 2 Answers 2 ...
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How do you get the list of targets in a makefile?

I've used rake a bit (a Ruby make program), and it has an option to get a list of all the available targets, eg 20 Answers ...
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Sorting an array of objects by property values

I've got the following objects using AJAX and stored them in an array: 30 Answers 30 ...
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What are the applications of binary trees?

I am wondering what the particular applications of binary trees are. Could you give some real examples? 17 Answers ...
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Why do I get “a label can only be part of a statement and a declaration is not a statement” if I hav

I have the following simplified code: 2 Answers 2 ...
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Remove all values within one list from another list? [duplicate]

I am looking for a way to remove all values within a list from another list. 7 Answers ...