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In Swift how to call method with parameters on GCD main thread?

...() + 0.1) { // your code here } Older versions of Swift used: dispatch_async(dispatch_get_main_queue(), { let delegateObj = UIApplication.sharedApplication().delegate as YourAppDelegateClass delegateObj.addUIImage("yourstring") }) ...
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Citing the author of a blockquote using Markdown syntax

...ld like to have the quote followed by a citation beneath it, but right now all it does is blockquote the whole line. How does one do this in markdown syntax? ...
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HintPath vs ReferencePath in Visual Studio

...mit to a convention where dependency DLLs are in a "releases" svn repo and all projects point to a particular release. Since different developers have different folder structures, relative references won't work, so we came up with a scheme to use an environment variable pointing to the particular de...
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Best way to pretty print a hash

... require 'pp' pp my_hash Use pp if you need a built-in solution and just want reasonable line breaks. Use awesome_print if you can install a gem. (Depending on your users, you may wish to use the index:false option to turn off displaying arr...
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How can I use a search engine to search for special characters? [closed]

...ace before it, in which case it is a negative sign.) The underscore symbol _ is not ignored when it connects two words, e.g. [ quick_sort ]. As such, it is not well suited for these types of searchs. Google Code however does have syntax for searching through their code projects, that includes a ro...
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How to dismiss keyboard iOS programmatically when pressing return

...s delegate to current viewcontroller and then: func textFieldShouldReturn(_ textField: UITextField) -> Bool { textField.resignFirstResponder() return true } Objective-C: [self.view endEditing:YES]; or Set text field's delegate to current viewcontroller and then: - (BOOL)textFie...
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overlay opaque div over youtube iframe

...text/html" width="520" height="330" src="http://www.youtube.com/embed/NWHfY_lvKIQ?wmode=opaque" frameborder="0"></iframe> share | improve this answer | follow ...
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How does having a dynamic variable affect performance?

...Generator(); if (!method.IsStatic) { il.Emit(OpCodes.Ldarg_0); il.Emit(OpCodes.Unbox_Any, method.DeclaringType); } var parameters = method.GetParameters(); for (int i = 0; i < parameters.Length; i++) { il.Emit(OpCodes.Ldarg_1); il.Emit(OpCo...
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How to generate .json file with PHP?

...rom Posts limit 20"; $response = array(); $posts = array(); $result=mysql_query($sql); while($row=mysql_fetch_array($result)) { $title=$row['title']; $url=$row['url']; $posts[] = array('title'=> $title, 'url'=> $url); } $response['posts'] = $posts; $fp = fopen('results.json', 'w...
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Convert string to a variable name

...an.r-project.org/doc/FAQ/R-FAQ.html#How-can-I-turn-a-string-into-a-variable_003f share | improve this answer | follow | ...