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Convert NaN to 0 in javascript
... an alternative to parseInt("123", 10)! It's been discussed a lot over the web, so I won't go in why it works here, but if you're interested: What is the "double tilde" (~~) operator in JavaScript?
We can exploit this property of a double-tilde to convert NaN to a number, and happily that number is...
How to check if an object is an array?
...old browser support use the shim from MDN developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/…
– David Gilbertson
Oct 11 '13 at 4:40
21
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Reducing Django Memory Usage. Low hanging fruit?
... your memory. spawning seems to be the new fast scalable way to run python web applications.
EDIT: I don't see how switching to mod_wsgi could be "tricky". It should be a very easy task. Please elaborate on the problem you are having with the switch.
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Ubuntu rails install fails on zlib
... on Ubuntu 10.04 then there are instructions on installing zlib on the rvm web site http://rvm.beginrescueend.com/packages/zlib/
The steps are:
rvm pkg install zlib
(or
rvm package install zlib if you get "ERROR: Unrecognized command line argument: 'pkg'" - older versions of rvm used the v...
How to install psycopg2 with “pip” on Python?
... solutions for Linux, Mac users, since lots of them find this post through web searches.
Option 1
Install the psycopg2-binary PyPI package instead, it has Python wheels for Linux and Mac OS.
pip install psycopg2-binary
Option 2
Install the prerequsisites for building the psycopg2 package f...
JavaScript before leaving the page
...e ability to customize the message. See: developer.mozilla.org/en-US/docs/Web/API/WindowEventHandlers/…
– Rocket Hazmat
Aug 24 '16 at 13:46
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How to apply multiple transforms in CSS?
... so noway to split them into multiple lines
– aWebDeveloper
Jan 29 '14 at 18:53
2
transform...
Flexbox Not Centering Vertically in IE
I have a simple web page with some Lipsum content that is centered on the page. The page works fine in Chrome and Firefox. If I reduce the size of the window, the content fills the window until it can't and then adds a scroll bar and fills content off screen, toward the bottom.
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How to fix: Handler “PageHandlerFactory-Integrated” has a bad module “ManagedPipelineHandler” in its
...ws features on or off -> Internet Information Services -> World Wide Web Services -> Application Development Features -> Enable ASP.NET 4.5
This should resolve the issue.
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Are trailing commas in arrays and objects part of the spec?
...lso recommend the Mozilla's Docs:
https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Trailing_commas
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