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Is it possible to use AutoLayout with UITableView's tableHeaderView?

...eader once and use it to find the required height. That height can then be applied to the header, and the header is set a second time to reflect the change. - (void)viewDidLoad { [super viewDidLoad]; self.header = [[SCAMessageView alloc] init]; self.header.titleLabel.text = @"Warning";...
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What is the difference between the | and || or operators?

... 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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How to preventDefault on anchor tags?

...lem a lot, a simple directive that would fix this issue is the following: app.directive('a', function() { return { restrict: 'E', link: function(scope, elem, attrs) { if(attrs.ngClick || attrs.href === '' || attrs.href === '#'){ elem.on('click', funct...
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How to dynamically change a web page's title?

...l index the updated title. Below answer is obsolete, but the code is still applicable. You can just do something like, document.title = "This is the new page title.";, but that would totally defeat the purpose of SEO. Most crawlers aren't going to support javascript in the first place, so ...
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How is an HTTP POST request made in node.js?

...cate where to post to var post_options = { host: 'closure-compiler.appspot.com', port: '80', path: '/compile', method: 'POST', headers: { 'Content-Type': 'application/x-www-form-urlencoded', 'Content-Length': Buffer.byteLength(post_data) } ...
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Make $JAVA_HOME easily changable in Ubuntu [closed]

... A restart is still needed for these changes to affect apps launched through the Ubuntu UI (i.e. double clicking an app) – Eric Hu Feb 12 '13 at 3:15 7 ...
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How do I assign a port mapping to an existing Docker container?

...derstood something here, but it seems like it's only possible to set port mappings by creating a new container from an image. Is there a way to assign a port mapping to an existing Docker container? ...
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Having Django serve downloadable files

... django.utils.encoding import smart_str response = HttpResponse(mimetype='application/force-download') # mimetype is replaced by content_type for django 1.7 response['Content-Disposition'] = 'attachment; filename=%s' % smart_str(file_name) response['X-Sendfile'] = smart_str(path_to_file) # It's usu...
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When restoring a backup, how do I disconnect all active connections?

... This was the fastest approach (SingleUserMode * 20 = 60s, Kill * 20 = 5s). – Karson May 26 '15 at 16:11 ...
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How do I use IValidatableObject?

...rties with Validator: When validating an object, the following process is applied in Validator.ValidateObject: Validate property-level attributes If any validators are invalid, abort validation returning the failure(s) Validate the object-level attributes If any validators are invalid, abort valid...