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What is “assert” in JavaScript?
...ssertions (as they're called) are used only in "testing" or "debug" builds and stripped out of production code.
Suppose you had a function that was supposed to always accept a string. You'd want to know if someone called that function with something that wasn't a string. So you might do:
assert(ty...
How do you create a remote Git branch?
...branch locally:
git checkout -b <branch-name> # Create a new branch and check it out
The remote branch is automatically created when you push it to the remote server. So when you feel ready for it, you can just do:
git push <remote-name> <branch-name>
Where <remote-name&g...
Chrome: Uncaught SyntaxError: Unexpected end of input
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ok Thanks alot i removed the json request all together and the error went away i've yet to figure out what exactly is wrong with my json request. i just had no idea where to start debugging. if i may ask how did you determine the root cause
– dlaurent86
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Find row where values for column is maximal in a pandas DataFrame
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Use the pandas idxmax function. It's straightforward:
>>> import pandas
>>> import numpy as np
>>> df = pandas.DataFrame(np.random.randn(5,3),columns=['A','B','C'])
>>> df
A B ...
dyld: Library not loaded: /usr/local/lib/libpng16.16.dylib with anything php related
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Thank you, I uninstalled and re-installed homebrew completely but retrospect I think this would have been a better option.
– user3458861
Mar 26 '14 at 9:03
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How do I set up email confirmation with Devise?
...et up Devise's signup confirmation email from scratch (in both development and production), i.e. if you don't have Action Mailer set up?
...
Tracking Google Analytics Page Views with AngularJS
...s the frontend. Everything on the client side is done with HTML5 pushstate and I'd like to be able to track my page views in Google Analytics.
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Gradle proxy configuration
...e causes for issues, I manually add the Artifactory plugin in build.gradle and run it from command line:
14 Answers
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When is null or undefined used in JavaScript? [duplicate]
...e DOM methods getElementById(), nextSibling(), childNodes[n], parentNode() and so on return null (defined but having no value) when the call does not return a node object.
The property is defined, but the object it refers to does not exist.
This is one of the few times you may not want to test fo...
Installing PG gem on OS X - failure to build native extension
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Same error for me and I didn't experience it until I downloaded OS X 10.9 (Mavericks). Sigh, another OS upgrade headache.
Here's how I fixed it (with homebrew):
Install another build of Xcode Tools (typing brew update in the terminal will p...