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How to use permission_required decorators on django class-based views
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The decorator is applied on a per-instance basis, so you can add it or remove it in different urls.py routes as needed.
Decorate your class so every instance of your view will be wrapped by the decorator (docs)
There are two ways you can do this:
Applying a method_decorator to your...
How do I embed a single file from a GitHub gist with the new gist interface?
...for the entire gist which embeds all files in the gist. The old interface had embed code for each file in the gist. Anyone know if there's a trick to embed a single file?
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Does JSON syntax allow duplicate keys in an object?
...:
It is expected that other standards will refer to this one, strictly adhering to the JSON text format, while
imposing restrictions on various encoding details. Such standards may require specific behaviours. JSON
itself specifies no behaviour.
Further down in the standard (p. 2), the ...
pinpointing “conditional jump or move depends on uninitialized value(s)” valgrind message
...ues message from valgrind and it's been quite the mystery as of where the bad value originated from.
2 Answers
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Calculate distance between two latitude-longitude points? (Haversine formula)
...ction getDistanceFromLatLonInKm(lat1,lon1,lat2,lon2) {
var R = 6371; // Radius of the earth in km
var dLat = deg2rad(lat2-lat1); // deg2rad below
var dLon = deg2rad(lon2-lon1);
var a =
Math.sin(dLat/2) * Math.sin(dLat/2) +
Math.cos(deg2rad(lat1)) * Math.cos(deg2rad(lat2)) *
M...
Download and open PDF file using Ajax
...not character data. It's binary data. You can't do stuff like $(element).load(). You want to use completely new request for this. For that <a href="pdfservlet/filename.pdf">pdf</a> is perfectly suitable.
To assist you more with the server side code, you'll need to tell more about the la...
Track all remote git branches as local branches
...ng bash:
after git 1.9.1
for i in `git branch -a | grep remote | grep -v HEAD | grep -v master`; do git branch --track ${i#remotes/origin/} $i; done
credits: Val Blant, elias, and Hugo
before git 1.9.1
Note: the following code if used in later versions of git (>v1.9.1) causes
(bug) All creat...
Clearing intent
...int out that as per @tato-rodrigo answer this won't help you detect an already handled intent in some situations.
Also I should point out I put "clear" in quotes for a reason - you are not really clearing the intent by doing this, you're just using the removal of the extra as a flag that this inte...
AngularJS changes URLs to “unsafe:” in extension page
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You need to explicitly add URL protocols to Angular's whitelist using a regular expression. Only http, https, ftp and mailto are enabled by default. Angular will prefix a non-whitelisted URL with unsafe: when using a protocol such as chrome-extensi...
Detect if an input has text in it using CSS — on a page I am visiting and do not control?
...are blank.
// @include http://YOUR_SERVER.COM/YOUR_PATH/*
// @grant GM_addStyle
// ==/UserScript==
/*- The @grant directive is needed to work around a design change
introduced in GM 1.0. It restores the sandbox.
*/
var inpsToMonitor = document.querySelectorAll (
"form[name='JustCSS'] ...