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How do you trigger a block after a delay, like -performSelector:withObject:afterDelay:?

...ion of my block for 10 seconds. dispatch_after(dispatch_time(DISPATCH_TIME_NOW, 10 * NSEC_PER_SEC), dispatch_get_main_queue(), ^{ NSLog(@"parameter1: %d parameter2: %f", parameter1, parameter2); }); More: https://developer.apple.com/documentation/dispatch/1452876-dispatch_after ...
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Rspec doesn't see my model Class. uninitialized constant error

... versions of RSpec move some stuff out of the spec/spec_helper.rb file, so now you also get a spec/rails_helper.rb file. If you run rails generate rspec:install, this is what it produces (rspec-rails 3.0.1, rails 4.1.1). Turns out the rails_helper.rb file contains some similar code to yours and shou...
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Espresso: Thread.sleep( );

... Awesome, I didn't know that :thumbs_up @YairKukielka – Hesam May 18 '16 at 18:13 ...
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Git ignore sub folders

...s a sub-folder with another project in e.g. Solution/Module/Project so for now I've added /*/*/bin/Debug and /*/*/*/bin/Debug (for sub folders). Looks like you have to add a wildcard sub folder for each level in your directory structure. – Marcel Mar 30 '10 at ...
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Jackson databind enum case insensitive

... Thanks, now I can remove all the boilerplate in my POJO :) – tom91136 Jun 13 '14 at 8:10 ...
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Get property value from string using reflection

...null value of an existing property or no property at all? I'd much rather know immediately that I was sending in a bad property name. This is not production code, but a better improvement would be to throw a more specific exception (e.g. check for null on GetProperty and throw PropertyNotFoundExcept...
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Checkout one file from Subversion

... it's simpler to use svn export than it is to use the web interface, if I know what file I want. The questioner already uses SVN, so I guess it depends what client and whether that client makes it easy to use svn export. I do find the web interface better for browsing than svn ls, though :-) ...
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Checkout multiple git repos into same Jenkins workspace

.... Previously the Multiple SCM plugin could help with this issue but it is now deprecated. From the Multiple SCM plugin page: "Users should migrate to https://wiki.jenkins-ci.org/display/JENKINS/Pipeline+Plugin . Pipeline offers a better way of checking out of multiple SCMs, and is supported by the...
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Why does this method print 4?

...nTseng I also consider your answer the most comprehensible and complete by now - anyway, I would be really interested in what the stack actually looks like the moment the StackOverflowError is thrown and how this does affect the output. If it contained only a reference to a stack frame on the heap (...
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Why am I getting “Cannot Connect to Server - A network-related or instance-specific error”?

... IP Addresses(Tab). Go to the last entry IP All and mention TCP Port 1433. Now restart SQL Server (<INSTANCE>) using services.msc. After this, the problem got resolved! – ani627 Feb 24 '15 at 13:26 ...