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Delete/Reset all entries in Core Data?
...
// get reference to the persistent container
let persistentContainer = (UIApplication.shared.delegate as! AppDelegate).persistentContainer
// perform the delete
do {
try persistentContainer.viewContext.execute(deleteRequest)
} catch let error as NSError {
print(error)
}
This code has been...
Replacement for deprecated sizeWithFont: in iOS 7?
...the function on multiple threads simultaneously, it'll probably crash your app. This is why in iOS 6, they introduced a the boundingRectWithSize:... method for NSAttributedString. This was built on top of the NSStringDrawing libraries and is thread safe.
If you look at the new NSString bounding...
How can I get Visual Studio 2008 Windows Forms designer to render a Form that implements an abstract
...olved.... except you have an extra level of inheritance in your production application that was only necessary because of an inadequacy in the winforms designer!
This isn't a 100% surefire solution but its pretty good. Basically you use #if DEBUG to come up with the refined solution.
Refined Solu...
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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When is .then(success, fail) considered an antipattern for promises?
...irst argument to .then()) will only be executed in case that no exception happened. The labelled block and the break statement feel a bit odd, this is actually what python has try-except-else for (recommended reading!).
// some_promise_call().then(logger.log).catch(logger.log)
try {
var results...
Detecting that the browser has no mouse and is touch-only
I'm developing a webapp (not a website with pages of interesting text) with a very different interface for touch (your finger hides the screen when you click) and mouse (relies heavily on hover preview).
How can I detect that my user has no mouse to present him the right interface? I plan to leave a...
How does Tortoise's non recursive commit work?
...
For several months now I've been seeing the following dialog box appear when
initiating Commit. It frequently happens when attempting to commit following
a merge.
The thing I have noticed lately however is that if I Cancel and then
manually refresh the file list (F5), ...
Build Eclipse Java Project from Command Line
...mmand line:
eclipsec.exe -noSplash -data "D:\Source\MyProject\workspace" -application org.eclipse.jdt.apt.core.aptBuild
It uses the jdt apt plugin to build your workspace automatically. This is also known as a 'Headless Build'. Damn hard to figure out. If you're not using a win32 exe, you can t...
What are the best JVM settings for Eclipse? [closed]
...ved).
(by "optimized", I mean able to run a full-fledge Eclipse on our crappy workstation at work, some old P4 from 2002 with 2Go RAM and XPSp3. But I have also tested those same settings on Windows7)
Eclipse.ini
WARNING: for non-windows platform, use the Sun proprietary option -XX:MaxPermSiz...
Reliable method to get machine's MAC address in C#
... get a machine's MAC address regardless of the OS it is running using C#. Application will need to work on XP/Vista/Win7 32 and 64 bit as well as on those OSs but with a foreign language default. Many of the C# commands and OS queries don't work across OS. Any ideas? I have been scraping the out...