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Cocoa Core Data efficient way to count entities
... the total number of instances of an entity in Core Data:
let context = (UIApplication.sharedApplication().delegate as! AppDelegate).managedObjectContext
let fetchRequest = NSFetchRequest(entityName: "MyEntity")
let count = context.countForFetchRequest(fetchRequest, error: nil)
I tested this in the...
How do I move files in node.js?
...o use the module.exports = function { } style. do I copy this code into my app itself where I already have var fs = require('fs'); and then call fs.move(oldFile, newFile, function(err){ .... }) instead of fs.rename ?
– Curious101
Apr 12 '19 at 4:56
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return statement vs exit() in main()
... executable you're building (i.e., who's calling main). Are you coding an app that uses the C-runtime? A Maya plugin? A Windows service? A driver? Each case will require research to see if exit is equivalent to return. IMHO using exit when you really mean return just makes the code more confus...
Include .so library in apk in android studio [duplicate]
I am trying my hands on developing a simple android application in which I am trying to use sqlcipher , which uses .so libraries internally. I have read the documentation on how to use sqlcipher with android app . I have followed the steps and it compiles without any error. But, at runtime it thro...
Medium-size Clojure sample application?
Is there a medium-sized Clojure sample application that could be used as a "best-practices" example, and a good way to see what such an application would look like in terms of code and code organization? A web application would be particularly interesting to me, but most important is that the progra...
How to change file encoding in NetBeans?
... +1 Worked for me on Mac 10.8.. the file is located here: /Applications/NetBeans/NetBeans 7.2.1.app/Contents/Resources/NetBeans/etc/netbeans.conf
– Anil
Jun 13 '13 at 13:41
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What is the difference between the | and || or operators?
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Yeah, I didn't believe it until I created a console app - but good lord! Why would they give you the rope to hang yourself! I hated that about VB.NET - the OrElse and AndAlso keywords!
– Jarrod Dixon♦
Sep 6 '08 at 8:09
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Is it possible to disable the network in iOS Simulator?
I am trying to debug some inconsistent behaviour I am seeing in an application that gets its primary data from the internet. I don't see the issues in the simulator, just on the device, so I'd like to reproduce the network and connectivity environment in the simulator.
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Entity Framework. Delete all rows in table
...sions." for that exact reason - ALTER permissions are rarely granted to EF apps, and the error message really sends you on a wild goose chase.
– Chris Moschini
Mar 31 '15 at 17:41
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PostgreSQL: Drop PostgreSQL database through command line [closed]
... Not helpful answer as for version 9. The error about opened connections appears still.
– Pavel Vlasov
Apr 17 '14 at 9:25
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