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How can I add a custom HTTP header to ajax request with js or jQuery?
Does anyone know how to add or create a custom HTTP header using JavaScript or jQuery?
9 Answers
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What is the best way to force yourself to master vi? [closed]
A good while ago, I read an article by the creator of viemu , clearing up a lot of the misconceptions about vi, as well as explaining why it's a good idea (and why it's been very popular for the last 30 years+). The same guy also has a great set of graphical cheat sheets that teach the basics a f...
Why does typeof NaN return 'number'?
...avascript but common computer science principle.
From http://en.wikipedia.org/wiki/NaN:
There are three kinds of operation
which return NaN:
Operations with a NaN as at least one operand
Indeterminate forms
The divisions 0/0, ∞/∞, ∞/−∞, −∞/∞, and −∞/−...
Why is there no logical xor in JavaScript?
Why is there no logical xor in JavaScript?
19 Answers
19
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javac is not recognized as an internal or external command, operable program or batch file [closed]
I am experiencing an error while trying to compile Java programs.
6 Answers
6
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How is a CRC32 checksum calculated?
...ybe I'm just not seeing it, but CRC32 seems either needlessly complicated, or insufficiently explained anywhere I could find on the web.
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Convert nullable bool? to bool
...be false, you can do this:
bool newBool = x.HasValue ? x.Value : false;
Or:
bool newBool = x.HasValue && x.Value;
Or:
bool newBool = x ?? false;
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In Bash, how to add “Are you sure [Y/n]” to any command or alias?
In this particular case, I'd like to add a confirm in Bash for
17 Answers
17
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How to install a gem or update RubyGems if it fails with a permissions error
I'm trying to install a gem using gem install mygem or update RubyGems using gem update --system , and it fails with this error:
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What is the exact problem with multiple inheritance?
...hether multiple inheritance should be included into the next version of C# or Java. C++ folks, who are fortunate enough to have this ability, say that this is like giving someone a rope to eventually hang themselves.
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