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call a static method inside a class?
...@Ian Dunn Put simply, $this only exists if an object has been instantiated and you can only use $this->method from within an existing object. If you have no object but just call a static method and in that method you want to call another static method in the same class, you have to use self::. So...
Get object by id()? [duplicate]
...The Python weakref module lets you keep references, dictionary references, and proxies to objects without having those references count in the reference counter. They're like symbolic links.
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Web workers without a separate Javascript file?
... I can tell, web workers need to be written in a separate JavaScript file, and called like this:
25 Answers
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how to check redis instance version?
...urrently running version though. I had upgraded a server to 3.2.8 via yum, and this command showed the new version, but the server needed to be restarted manually to launch the new version, whereas INFO correctly reported the old version.
– X-Cubed
Apr 13 '17 a...
The Web Application Project […] is configured to use IIS. The Web server […] could not be found.
...available" when I open the solution. When I right-click on the web project and reload the project, I get the following error:
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How can I make the cursor turn to the wait cursor?
I have a C# application that has users login to it, and because the hashing algorithm is expensive, it takes a little while to do. How can I display the Wait/Busy Cursor (usually the hourglass) to the user to let them know the program is doing something?
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Is leaked memory freed up when the program exits?
If I programmed — without knowing it — a memory leak, and the application terminates, is the leaked memory freed?
6 Ans...
What is the difference between XML and XSD?
What is the difference between Extensible Markup Language (XML) and XML Schema (XSD)?
7 Answers
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Is it possible to refresh a single UITableViewCell in a UITableView?
...UITableViewRowAnimationNone];
[self.tableView endUpdates];
In Xcode 4.6 and higher:
[self.tableView beginUpdates];
[self.tableView reloadRowsAtIndexPaths:@[indexPathOfYourCell] withRowAnimation:UITableViewRowAnimationNone];
[self.tableView endUpdates];
You can set whatever your like as animat...
Cannot push to GitHub - keeps saying need merge
... the remote branch into your local branch (see differences with git diff), and want to do a force push, use the push command with -f
git push -f origin <branch>
where origin is the name of your remote repo.
Usually, the command refuses to update a remote ref that is not an ancestor of t...