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How do you trigger a block after a delay, like -performSelector:withObject:afterDelay:?
...ameter2: %f", parameter1, parameter2);
});
More: https://developer.apple.com/documentation/dispatch/1452876-dispatch_after
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Is Fortran easier to optimize than C for heavy calculations?
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The languages have similar feature-sets. The performance difference comes from the fact that Fortran says aliasing is not allowed, unless an EQUIVALENCE statement is used. Any code that has aliasing is not valid Fortran, but it is up to the programmer and not the compiler to detect these erro...
An error occurred while signing: SignTool.exe not found
...uninstall this prerelease product from ARP.
https://blogs.msdn.microsoft.com/vsnetsetup/2013/11/18/an-error-occurred-while-signing-signtool-exe-not-found/
Lastly you might want to install the customer preview instead of being on the developer preview
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Are there any JavaScript static analysis tools? [closed]
I'm used to having my compiler complain when I do something stupid like a typo on a variable name but JavaScript has a habit of letting this pass.
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Disable cache for some images
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A common and simple solution to this problem that feels like a hack but is fairly portable is to add a randomly generated query string to each request for the dynamic image.
So, for example -
<img src="image.png" />
W...
How to get start and end of day in Javascript?
...get start ( 00:00:00 ) and end ( 23:59:59 ) of today in timestamp ( GMT )? Computer use a local time.
7 Answers
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requestFeature() must be called before adding content
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Don't call setContentView() before requestFeature().
Note:
As said in comments, for both ActionBarSherlock and AppCompat library, it's necessary to call requestFeature() before super.onCreate()
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A complete solution to LOCALLY validate an in-app receipts and bundle receipts on iOS 7
...reBlock is nil intentionally. See below.
if (verified) return;
// Apple recommends to refresh the receipt if validation fails on iOS
[[RMStore defaultStore] refreshReceiptOnSuccess:^{
RMAppReceipt *receipt = [RMAppReceipt bundleReceipt];
[self verifyTransaction:transaction inReceipt:receipt...
Can local storage ever be considered secure? [closed]
...pto)
I presume the primary concern is someone with physical access to the computer reading the localStorage for your site, and you want cryptography to help prevent that access.
If someone has physical access you are also open to attacks other and worse than reading. These include (but are not lim...