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What is the difference between
...%>. Prints something verbatim (i.e. w/o escaping) into erb file. (Taken from Ruby on Rails Guides.)
<% -%>
Avoids line break after expression.
<%# %>
Comments out code within brackets; not sent to client (as opposed to HTML comments).
Visit Ruby Doc for more infos about ERB.
...
Is it acceptable and safe to run pip install under sudo?
...tion with day-to-day programming. Install a different Python distribution (from Python.org, Homebrew, Canopy, etc.).
– charlesreid1
Oct 10 '17 at 21:21
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How do you use a variable in a regular expression?
...want hex numbers, you can do parseInt('' + myNumber, 16) to convert to hex from decimal.
– Eric Wendelin
Jun 21 '11 at 15:19
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AngularJS: Understanding design pattern
...ained.
Services are a feature that Angular brings to client-side web apps from the server side, where services have been commonly used for a long time.
Services in Angular apps are substitutable objects that are wired together using dependency injection.
Angular comes with different types of serv...
How do I disable “missing docstring” warnings at a file-level in Pylint?
...s, what it provides, examples of how to use the classes. This is different from the comments that you often see at the beginning of a file giving the copyright and license information, which IMO should not go in the docstring (some even argue that they should disappear altogether, see eg. http://hac...
How do I check that multiple keys are in a dict in a single pass?
... 3 of the alternatives.
Put in your own values for D and Q
>>> from timeit import Timer
>>> setup='''from random import randint as R;d=dict((str(R(0,1000000)),R(0,1000000)) for i in range(D));q=dict((str(R(0,1000000)),R(0,1000000)) for i in range(Q));print("looking for %s items ...
How do I split a string into an array of characters? [duplicate]
...here possible:
Using the spread operator:
let arr = [...str];
Or Array.from
let arr = Array.from(str);
Or split with the new u RegExp flag:
let arr = str.split(/(?!$)/u);
Examples:
[...'????????????'] // —> ["????", "????", "????"]
[...'????????????'] // —> ["????", "...
How do I find the stack trace in Visual Studio?
...ing the Call Stack Window
To open the Call Stack window in Visual Studio, from the Debug menu, choose Windows>Call Stack. To set the local context to a particular row in the stack trace display, double click the first column of the row.
http://msdn.microsoft.com/en-us/library/windows/hardware/h...
Is there a better way to find out if a local git branch exists?
...want, but I'd like to provide a updated answer since the original post was from 2011.
git rev-parse --verify <branch_name>
This is essentially the same as the accepted answer, but you don't need type in "refs/heads/"
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How to publish a website made by Node.js to Github Pages?
....It contains pure html files.So everything you see on the link is actually from the gh-pages branch.
– Akshat Jiwan Sharma
Apr 17 '13 at 18:26
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