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When & why to use delegates? [duplicate]

... to me that using delegates split up your code into units and make it tons more manageable. Great mechanism to use in conjunction with unit testing if most of your methods have the same signature pattern – Eon Jul 11 '14 at 11:22 ...
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What is the difference between user and kernel modes in operating systems?

...f the code running on your computer will execute in user mode. Read more Understanding User and Kernel Mode share | improve this answer | follow | ...
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GROUP BY with MAX(DATE) [duplicate]

...cessary performance hit. Using this method or even a Left Join will be far more efficient, especially with larger tables. – Joe Meyer Feb 13 '13 at 1:08 ...
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Get current date/time in seconds

...you have data time stamped with unix time, and want to determine it's age. More though I think this is what is most likely meant by 'the current date/time in seconds'; just my gut feeling. – sje397 Sep 30 '10 at 12:10 ...
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Variable name as a string in Javascript

... of obj are printed as name: value pairs. But the explaining text could be more clear. – Matt Apr 20 '18 at 9:23 ...
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Objective-C and Swift URL encoding

... To escape the characters you want is a little more work. Example code iOS7 and above: NSString *unescaped = @"http://www"; NSString *escapedString = [unescaped stringByAddingPercentEncodingWithAllowedCharacters:[NSCharacterSet URLHostAllowedCharacterSet]]; NSLog(@...
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Android studio Gradle build speed up

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How do I pause my shell script for a second before continuing?

... I always forget it's sleep! (pause, wait, or delay would make more sense and be easier to remember.) – Geremia Dec 31 '15 at 20:50 ...
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Best practice using NSLocalizedString

...r the specific ones, which would only occur once anyway. I hope you'll be more productive with Cocoa localization with these tips! share | improve this answer | follow ...
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Set cache-control for entire S3 bucket automatically (using bucket policies?)

...AWS Management Console Go into S3 bucket Select all files by route Choose "More" from the menu Select "Change metadata" In the "Key" field, select "Cache-Control" from the drop down menu max-age=604800Enter (7 days) for Value Press "Save" button (thanks to @biplob - please give him some love below)...