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How can I delay a method call for 1 second?
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You could also use a block
dispatch_after(dispatch_time(DISPATCH_TIME_NOW, 1 * NSEC_PER_SEC), dispatch_get_main_queue(), ^{
[object method];
});
Most of time you will want to use dispatch_get_main_queue, although if there is no UI in the method you could use a global queue.
Edit:
Swift...
Xcode 6 - How to pick signing certificate/provisioning profile for Ad-Hoc distribution?
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I wish I had learned 3 hours earlier that xcodebuild can now also export to ipa format! I wasted that much time trying to get xcrun to embed a given provisioning profile, but it just won't work on Xcode 6. xcodebuild does! Thank you.
– Oscar Hierro
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Understanding how recursive functions work
...hose individually and when you are done you add the totals together.. Well now if each of you find some friend and split the buckets further, then you just need to wait for these other friends to figure out their totals, bring it back to each of you, you add it up. And so on. The special case is whe...
What are Unwind segues for and how do you use them?
...ind segues can often achieve the same thing with much less code. Actually, now you can dismiss a modally presented view controller without writing any code. Of course, there are still many cases when closing controllers from code is the right thing to do.
– Imre Kelényi
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App.Config Transformation for projects which are not Web Projects in Visual Studio?
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This works now with the Visual Studio AddIn treated in this article: SlowCheetah - Web.config Transformation Syntax now generalized for any XML configuration file.
You can right-click on your web.config and click "Add Config
Trans...
How does one make random number between range for arc4random_uniform()?
so my goal in this codebit is to randomly roll two dice and as we all know your regular die only has 6 sides so I imported Foundation for access to arc4random_uniform(UInt32). I attempted using the range of (1..7) to avoid randomly getting 0 however that returned an error which I didn't enjoy too mu...
How do I measure time elapsed in Java? [duplicate]
... to use in order to accomplish this in Java?
The short answer is a long. Now, more on how to measure...
System.currentTimeMillis()
The "traditional" way to do this is indeed to use System.currentTimeMillis():
long startTime = System.currentTimeMillis();
// ... do something ...
long estimatedTim...
Can I set background image and opacity in the same property?
...big problem with a PNG is the size. It is likely going to be really large. Now that we can specify opacity: ... in all browsers, it way better!
– Alexis Wilke
Jul 1 '17 at 23:49
1
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Getting GDB to save a list of breakpoints
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As of GDB 7.2 (2011-08-23) you can now use the save breakpoints command.
save breakpoints <filename>
Save all current breakpoint definitions to a file suitable for use
in a later debugging session. To read the saved breakpoint
definitions, use th...
How can I add or update a query string parameter?
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Update (2020): URLSearchParams is now supported by all modern browsers.
The URLSearchParams utility can be useful for this in combination with window.location.search. For example:
if ('URLSearchParams' in window) {
var searchParams = new URLSearchParams(w...