大约有 9,220 项符合查询结果（耗时：0.0185秒） [XML]
How to get the currently logged in user's user id in Django?
... AnonymousUsers, but that proves useless if you were to say develop a chat app where you need logged in users displayed.
This checks for expired sessions and then figures out which user they belong to based on the decoded _auth_user_id attribute:
def ajax_find_logged_in_users(request, client_url):...
How would I create a UIAlertView in Swift?
...ass ViewController: UIViewController {
@IBAction func showAlertButtonTapped(_ sender: UIButton) {
// create the alert
let alert = UIAlertController(title: "My Title", message: "This is my message.", preferredStyle: UIAlertController.Style.alert)
// add an action (butto...
How do I run a single test with Nose in Pylons
I have a Pylons 1.0 app with a bunch of tests in the test/functional directory.
I'm getting weird test results and I want to just run a single test.
The nose documentation says I should be able to pass in a test name at the command line but I get ImportErrors no matter what I do
...
Why does this async action hang?
I have a multi-tier .Net 4.5 application calling a method using C#'s new async and await keywords that just hangs and I can't see why.
...
How to initialize log4j properly?
After adding log4j to my application I get the following output every time I execute my application:
24 Answers
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Does BroadcastReceiver.onReceive always run in the UI thread?
In my App, I create a custom BroadcastReceiver and register it to my Context manually via Context.registerReceiver . I also have an AsyncTask that dispatches notifier-Intents via Context.sendBroadcast . The intents are sent from a non-UI worker thread, but it seems that BroadcastReceiver.onRe...
What is so bad about singletons? [closed]
...al instance, why is that so bad? Because you hide the dependencies of your application in your code, instead of exposing them through the interfaces. Making something global to avoid passing it around is a code smell.
They violate the single responsibility principle: by virtue of the fact that they ...
Android - Set fragment id
...hod and FragmentManager's findFragmentByTag(String) method.
In one of my apps, I was forced to generate strings dynamically. But it's not that expensive relative to the actual FragmentTransaction, anyway.
Another advantage to the tag method is that it can identify a Fragment that isn't being adde...
Django filter queryset __in for *every* item in list
...ld not be a problem for small set of categories.
There is the aggregation approach. This query would be shorter and perhaps quicker for a large set of categories.
You also have the option of using custom queries.
Some examples
Test setup:
class Photo(models.Model):
tags = models.ManyToMan...
When and why I should use session_regenerate_id()?
...
And what appends if the hacker do the 20th call ? Session ID is changed and he is the only one to own the session ;))
– fred727
Oct 6 '15 at 10:59
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