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Is JavaScript's “new” keyword considered harmful?
In another question , a user pointed out that the new keyword was dangerous to use and proposed a solution to object creation that did not use new . I didn't believe that was true, mostly because I've used Prototype, Scriptaculous and other excellent JavaScript libraries, and everyone of them us...
Most efficient way to store thousand telephone numbers
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Here's an improvement to aix's answer. Consider using three "layers" for the data structure: the first is a constant for the first five digits (17 bits); so from here on, each phone number has only the remaining five digits left. We view these remaining five digits as 17-bit binary integers and...
NuGet auto package restore does not work with MSBuild
...trying to build a solution with packages content missing (except repositories.config inside) with MSBuild 12.0. I expect it to auto restore all missing packages before building but this is not the case - MsBuild reports tons of errors:
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Difference between == and ===
In swift there seem to be two equality operators: the double equals ( == ) and the triple equals ( === ), what is the difference between the two?
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What exactly does the “u” do? “git push -u origin master” vs “git push origin master”
.... When you do a git pull from a branch, without specifying a source remote or branch, git looks at the branch.<name>.merge setting to know where to pull from. git push -u sets this information for the branch you're pushing.
To see the difference, let's use a new empty branch:
$ git checkout ...
Ajax success event not working
I have a registration form and am using $.ajax to submit it.
16 Answers
16
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Downloading an entire S3 bucket?
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AWS CLI
See the "AWS CLI Command Reference" for more information.
AWS recently released their Command Line Tools, which work much like boto and can be installed using
sudo easy_install awscli
or
sudo pip install awscli
Once installed, you can then simply run:
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What characters are valid for JavaScript variable names?
Which characters can be used for naming a JavaScript variable?
12 Answers
12
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Unit testing of private methods [duplicate]
...the methods are complex enough to warrant testing in isolation, then refactor them into their own class(es) and test via their public interface(s). Then use them privately in the original class.
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When monkey patching an instance method, can you call the overridden method from the new implementat
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EDIT: It has been 9 years since I originally wrote this answer, and it deserves some cosmetic surgery to keep it current.
You can see the last version before the edit here.
You can’t call the overwritten method by name or keyword. That’s one of the ma...