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How to dismiss keyboard for UITextView with return key?

...tView *)textView shouldChangeTextInRange:(NSRange)range replacementText:(NSString *)text { if([text isEqualToString:@"\n"]) { [textView resignFirstResponder]; return NO; } return YES; } Swift 4.0 update: func textView(_ textView: UITextView, shouldChangeTextIn range:...
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iPhone - Grand Central Dispatch main thread

...rocessing has finished e.g. - (void)doCalculation { //you can use any string instead "com.mycompany.myqueue" dispatch_queue_t backgroundQueue = dispatch_queue_create("com.mycompany.myqueue", 0); dispatch_async(backgroundQueue, ^{ int result = <some really long calculation th...
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Simple Log to File example for django 1.3+

...read-1 ] [INFO ] [djangoproject.logger] This is a manually logged INFO string. 2016-04-05 22:12:32,984 [Thread-1 ] [DEBUG] [djangoproject.logger] This is a manually logged DEBUG string. 2016-04-05 22:12:32,984 [Thread-1 ] [ERROR] [django.request ] Internal Server Error: / Traceback ...
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Microsoft Roslyn vs. CodeDom

...uch finer control of the whole process - for example you could analyse the string and even generate additional code (on-the-fly within the compile process based on the analysis), etc. CodeDom is "just using the compiler" while Roslyn is "compiler as a service with full access to (sub-) parts"... wi...
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Get class name of django model

... If you want something more implicit than a call to string, then you can get the same (tried on Django 1.11) with: Book._meta.object_name or Book._meta.model_name. Then if you want the app name as well, that's accessible via Book._meta.app_label – Geekfis...
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Struggling with NSNumberFormatter in Swift for currency

.../ In Swift 4, this ^ has been renamed to simply NSLocale.current formatter.string(from: price) // "$123.44" formatter.locale = Locale(identifier: "es_CL") formatter.string(from: price) // $123" formatter.locale = Locale(identifier: "es_ES") formatter.string(from: price) // "123,44 €" Here's ...
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How do I intercept a method call in C#?

...I understand it, this is what you want to do: [Log()] public void Method1(String name, Int32 value); and in order to do that you have two main options Inherit your class from MarshalByRefObject or ContextBoundObject and define an attribute which inherits from IMessageSink. This article has a go...
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Sorting an IList in C#

...th these extensions, sort your IList just like you would a List: IList<string> iList = new [] { "Carlton", "Alison", "Bob", "Eric", "David" }; // Use the custom extensions: // Sort in-place, by string length iList.Sort((s1, s2) => s1.Length.CompareTo(s2.Length)); // Or use OrderBy()...
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How to get a key in a JavaScript object by its value?

... I think Converting it to a string would be better to fix type errors just add .toString() like obj[ key ].toString() and to the value if desired... – CrandellWS Jan 6 '15 at 20:19 ...
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Python datetime - setting fixed hour and minute after using strptime to get day,month,year

...or the quick reply! :) Just curious if there is a way to do it without the extra date variable? (I'm a python newbie) – user1678031 Sep 18 '12 at 0:38 2 ...