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Cocoa Core Data efficient way to count entities

... = [NSEntityDescription entityForName:@"YourEntity" inManagedObjectContext:_managedObjectContext]; NSFetchRequest *fetchRequest = [[NSFetchRequest alloc] init]; [fetchRequest setEntity:entity]; [fetchRequest setIncludesPropertyValues:NO]; [fetchRequest setIncludesSubentities:NO]; NSError *error = ni...
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How to determine if an NSDate is today?

...wered Mar 24 '14 at 3:34 Catfish_ManCatfish_Man 38.6k1111 gold badges6363 silver badges8181 bronze badges ...
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How to change the text of a label?

...d child pages. How I write in child pages. I write $('#contentPlaceHolderId_LabelID') it not works. I also change th ClientMode to Static but no work. Please help. – Salman Mushtaq Feb 17 '16 at 12:52 ...
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Reducing the space between sections of the UITableView

... Why not use CGFLOAT_MIN? It's made for these kind of scenarios :) – Andrei Filip May 11 '15 at 9:38 12 ...
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Detect encoding and make everything UTF-8

... If you apply utf8_encode() to an already UTF-8 string, it will return garbled UTF-8 output. I made a function that addresses all this issues. It´s called Encoding::toUTF8(). You don't need to know what the encoding of your strings is. It c...
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DateTime.ToString() format that can be used in a filename or extension?

...our file name. Here i have provided example string fileName = "fileName_" + DateTime.Now.ToString("MM-dd-yyyy_hh-mm-ss-tt") + ".pdf"; OR If you don't prefer to use symbols you can try this also., string fileName = "fileName_" + DateTime.Now.ToString("MMddyyyyhhmmsstt") + ".pdf"; Hope this ...
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Why so red? IntelliJ seems to think every declaration/method cannot be found/resolved

...nfigure In my case, the JDK path was incorrect (pointed on /opt/jdk1.7.0_51 instead of /opt/jdk1.7.0_65) Click on the ... and browse to the right JDK path Let's clear the cache: And everything should be back to life :) ...
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What's the Linq to SQL equivalent to TOP or LIMIT/OFFSET?

...Take(10); In VB LINQ has a take expression: Dim foo = From t in MyTable _ Take 10 _ Select t.Foo From the documentation: Take<TSource> enumerates source and yields elements until count elements have been yielded or source contains no more elements. If count exceeds...
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How to check which version of v8 is installed with my NodeJS?

... version (don't know since when this is available) > npm version { http_parser: '1.0', node: '0.10.35', v8: '3.14.5.9', ares: '1.9.0-DEV', uv: '0.10.30', zlib: '1.2.8', modules: '11', openssl: '1.0.1j', npm: '1.4.28', xsjs: '0.1.5' } ...
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Difference between author and committer in Git?

...ld find was using the environment variables to override the committer: GIT_COMMITTER_NAME='a' GIT_COMMITTER_EMAIL='a' git commit --author 'a <a>' How to get the committer and commit date of a given commit? Only author data shows by default on git log. To see the committer date you can eit...