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Find an element in DOM based on an attribute value

... Update: In the past few years the landscape has changed drastically. You can now reliably use querySelector and querySelectorAll, see Wojtek's answer for how to do this. There's no need for a jQuery dependency now. If you're using jQuery, great...if you're not, you need not rely it ...
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Why is no one using make for Java?

...ency, and then a rule to resolve that dependency. With basic C, that typically "to convert a main.c file to a main.o file, run "cc main.c". You can do that in java, but you quickly learn something. Mostly that the javac compiler is slow to start up. The difference between: javac Main.java javac...
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Intellij Idea 9/10, what folders to check into (or not check into) source control?

...ans to Intellij 9 Ultimate and need to know what files/folders should typically be excluded from source control as they are not "workstation portable", i.e.: they reference paths that only exist on one user's computer. ...
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Checkout another branch when there are uncommitted changes on the current branch

...st of the time when I try to checkout another existing branch, Git doesn't allow me if I have some uncommitted changes on the current branch. So I'll have to commit or stash those changes first. ...
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Clang vs GCC - which produces faster binaries? [closed]

...d by the fact that any number of tests which take 0 measurable time will all add up to 0, but the contribution of such tests is negligible. The timing stats are displayed at the end of make check like this: coan_test_timer: info: coan processed 70844 input_files. coan_test_timer: info: run time ...
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Is optimisation level -O3 dangerous in g++?

...n undefined behavior, due to relying more strictly on the rules, and especially corner cases, of the language(s). As a personal note, I am running production software in the financial sector for many years now with -O3 and have not yet encountered a bug that would not have been there if I would hav...
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Unix command to find lines common in two files

... @ferdy (Repeating my comment from your answer, as yours is essentially a repeated answer posted as a comment) grep does some weird things you might not expect. Specifically, everything in 1.txt will be interpreted as a regular expression and not a plain string. Also, any blank line in 1.txt...
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Git push won't do anything (everything up-to-date)

... git push doesn't push all of your local branches: how would it know which remote branches to push them to? It only pushes local branches which have been configured to push to a particular remote branch. On my version of Git (1.6.5.3), when I run ...
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What is the difference between ArrayList.clear() and ArrayList.removeAll()?

...st is defined as ArrayList<String> arraylist , is arraylist.removeAll(arraylist) equivalent to arraylist.clear() ? ...
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Deleting all files in a directory with Python

I want to delete all files with the extension .bak in a directory. How can I do that in Python? 7 Answers ...