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Visual Studio keyboard shortcut to automatically add the needed 'using' statement
... C#, VB or XAML is on the up and the amount of dragging and dropping onto 'forms' is on the down. With this basic assumption, it is simple to say that Microsoft should start concentrating on making the editor smarter, keyboard shortcuts easier, and code/error checking and evaluation better - the day...
Python list iterator behavior and next(iterator)
...in a:
... print(i)
... _ = next(a)
...
0
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or print extra information to differentiate the print() output from the interactive interpreter echo:
>>> a = iter(list(range(10)))
>>> for i in a:
... print('Printing: {}'.format(i))
... next(a)
...
Printing: 0
1
Pr...
How to link to apps on the app store
...dleIdentifier"];
NSURL* url = [NSURL URLWithString:[NSString stringWithFormat:@"http://itunes.apple.com/lookup?bundleId=%@", appID]];
NSData* data = [NSData dataWithContentsOfURL:url];
NSDictionary* lookup = [NSJSONSerialization JSONObjectWithData:data options:0 error:nil];
NSString ...
Create RegExps on the fly using string variables
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And omit the / regex delimiters when using this form too.
– cdhowie
Dec 6 '10 at 22:28
add a comment
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Rails: Using build with a has_one association in rails
...en write accepts_nested_attributes_for :profile this in User model. and in form which user is being created write <%= f.simple_fields_for :profile do |p| %> this and go on.
– zeal
May 16 '15 at 6:22
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Blocks and yields in Ruby
...zling at first.
In Ruby, methods may receive a code block in order to perform arbitrary segments of code.
When a method expects a block, it invokes it by calling the yield function.
This is very handy, for instance, to iterate over a list or to provide a custom algorithm.
Take the following ...
Diff output from two programs without temporary files
...
For anyone curious, this is how you perform process substitution in using the Fish shell:
Bash:
diff <(./a) <(./b)
Fish:
diff (./a | psub) (./b | psub)
Unfortunately the implementation in fish is currently deficient; fish will either hang or use a tem...
JavaScript regex multiline flag doesn't work
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For performance issues, it is highly recommended to use the *? quantifier instead of * in order to avoid greediness. This will avoid catching the last <h1> of the document: that's probably not what you want and that's not effi...
What is the difference between '>' and a space in CSS selectors?
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The demo is nice but really just ancillary to the information which answers the question; information that's already in the other three answers. Maybe if this question were asked today, that'd be useful, but if you're going to necro an >8-year-old question, it should really...
.bashrc/.profile is not loaded on new tmux session (or window) — why?
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Former answers provided solutions but didn't explain the reason. Here it is.
This is related to the Bash init files. By default, ~/.bashrc is used in an interactive, non-login shell. It won't be sourced in a login shell. Tmu...