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How to identify unused css definitions
Are there any good approaches to help identify unused css definitions in a project? A bunch of css files were pulled in and now I'm trying to clean things up a bit.
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How do I fix PyDev “Undefined variable from import” errors?
...Eclipse, do Project>Pydev>Remove error markers, and numpy should now appear in the Forced builtins.
– smci
Nov 1 '17 at 16:43
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Renaming a branch in GitHub
...leting the old? I personally prefer processes where the delete operation happens after the create operation is successful, just in case something goes wrong.
– jmort253
Feb 16 '15 at 9:01
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How to choose an AES encryption mode (CBC ECB CTR OCB CFB)?
... secure system.
Let me illustrate my point: Imagine you are building a web application and you need to store some session data. You could assign each user a session ID and store the session data on the server in a hash map mapping session ID to session data. But then you have to deal with this pesky...
Given a view, how do I get its viewController?
...ments the method by returning its view’s superview; UIWindow returns the application object, and UIApplication returns nil.
So, if you recurse a view’s nextResponder until it is of type UIViewController, then you have any view’s parent viewController.
Note that it still may not have a paren...
How do I view the SQL generated by the Entity Framework?
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You can do the following:
IQueryable query = from x in appEntities
where x.id == 32
select x;
var sql = ((System.Data.Objects.ObjectQuery)query).ToTraceString();
or in EF6:
var sql = ((System.Data.Entity.Core.Objects.ObjectQuery)query)
.T...
How can I get all the request headers in Django?
...be the best way to get all the headers that the client sent to my Django application?
9 Answers
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Setting HTTP headers
...y to implement for example a simple authentication.
Here is a corrected wrapper:
// Code has not been tested.
func addDefaultHeaders(fn http.HandlerFunc) http.HandlerFunc {
return func(w http.ResponseWriter, r *http.Request) {
if origin := r.Header.Get("Origin"); origin != "" {
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Get OS-level system information
I'm currently building a Java app that could end up being run on many different platforms, but primarily variants of Solaris, Linux and Windows.
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Collection was modified; enumeration operation may not execute
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What's likely happening is that SignalData is indirectly changing the subscribers dictionary under the hood during the loop and leading to that message. You can verify this by changing
foreach(Subscriber s in subscribers.Values)
To
foreac...