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Javascript shorthand ternary operator
...ng like that what you're looking for, where it defaults if undefined?
var foo = bar || 1; // 1
var bar = 2;
foo = bar || 1; // 2
By the way, this works for a lot of scenarios, including objects:
var foo = bar || {}; // secure an object is assigned when bar is absent
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“Find next” in Vim
...for example, ?cake) instead of /, it is the other way round.
If it is installed on your system, you should try to run vimtutor command from your terminal, which will start a tutorial of the basic Vim commands.
Rob Wells advice about * and # is also very pertinent.
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Use curly braces to initialize a Set in Python
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There are two obvious issues with the set literal syntax:
my_set = {'foo', 'bar', 'baz'}
It's not available before Python 2.7
There's no way to express an empty set using that syntax (using {} creates an empty dict)
Those may or may not be important to you.
The section of the docs outlin...
How do I get the key at a specific index from a Dictionary in Swift?
...y an implementation detail. It's very possible that you could add the key "foo" and the internal representation will completely reorder the dictionary. A dictionary is an unordered collection of key-value pairs. Therefore, the answer above is making dangerous assumptions that do not hold true.
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How to exit git log or git diff [duplicate]
...nity wiki
4 revs, 2 users 71%Fred Foo
2
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Able to push to all git remotes with the one command?
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To push all branches to all remotes:
git remote | xargs -L1 git push --all
Or if you want to push a specific branch to all remotes:
Replace master with the branch you want to push.
git remote | xargs -L1 -I R git push R master
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Difference between File.separator and slash in paths
...ies for dealing with files, you can safely use / (slash, not backslash) on all platforms. The library code handles translating things into platform-specific paths internally.
You might want to use File.separator in UI, however, because it's best to show people what will make sense in their OS, rath...
How to start an application without waiting in a batch file?
...a guess here, but your start invocation probably looks like this:
start "\Foo\Bar\Path with spaces in it\program.exe"
This will open a new console window, using “\Foo\Bar\Path with spaces in it\program.exe” as its title.
If you use start with something that is (or needs to be) surrounded by ...
jQuery removeClass wildcard
Is there any easy way to remove all classes matching, for example,
18 Answers
18
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Aliases in Windows command prompt
...ommand dropbox research points to the same directory as research.
As Rivenfall pointed out, it is a good idea to include a command that allows for convenient editing of the alias.cmd file. See alias above. If you are in a cmd session, enter cmd to restart cmd and reload the alias.cmd file.
When ...