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Cocoa Core Data efficient way to count entities

...uest *request = [[NSFetchRequest alloc] init]; [request setEntity:[NSEntityDescription entityForName:entityName inManagedObjectContext:moc]]; [request setIncludesSubentities:NO]; //Omit subentities. Default is YES (i.e. include subentities) NSError *err; NSUInteger count = [moc countForFetchReques...
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Converting milliseconds to a date (jQuery/JavaScript)

...#/#YYYY# #hh#:#mm#:#ss#" ) ); Here are the tokens supported: token: description: example: #YYYY# 4-digit year 1999 #YY# 2-digit year 99 #MMMM# full month name February #MMM# 3-letter month name Feb #MM# 2-digit month n...
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Medium-size Clojure sample application?

...the blip.tv link is now at youtube.com/watch?v=dGVqrGmwOAw and I think the description of the code starts about 1 hr 24 mins into the presentation. – Roger Allen Sep 10 '13 at 5:03 ...
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Cannot use identity column key generation with ( TABLE_PER_CLASS )

...L will handle subqueries. Views supported as of release 5. For a detailed description please visit. http://www-css.fnal.gov/dsg/external/freeware/pgsql-vs-mysql.html share | improve this answer ...
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Commit history on remote repository

... to represent the upstream of a cloned repository, replace "origin" with a descriptive name for the remote repo. "remote reference" can use the same format used in clone command. git remote add origin <remote reference> git fetch git log origin/master ...
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Nginx no-www to www and www to no-www

... example location / { rewrite ^/cp/login?$ /cp/login.php last; # etc etc... } } Note: I have not originally included https:// in my solution since we use loadbalancers and our https:// server is a high-traffic SSL payment server: we do not mix https:// an...
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How to retrieve absolute path given relative

...otice that the manual page of readlink(1) has as the first sentence of its description: "Note realpath(1) is the preferred command to use for canonicalization functionality." – josch Jun 13 '18 at 5:47 ...
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How to embed an autoplaying YouTube video in an iframe?

...e parameters like color, controls and each separated by & sign. detail description can be seen here developers.google.com/youtube/player_parameters#Parameters – Waheed ur Rehman Jun 19 '16 at 0:12 ...
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How many bytes in a JavaScript string?

...nly implementation-dependent with regards to UTF-16. The 16-bit character description is universal. – Panzercrisis May 8 '15 at 14:56 1 ...
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How to request Google to re-crawl my website? [closed]

...e in Google's search results. How can I show it with the correct title and description? 5 Answers ...