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rails 3.1.0 ActionView::Template::Error (application.css isn't precompiled)

...tion.rb ... config.assets.compile = true ... You can use this option to fallback to Sprockets when you are using precompiled assets but there are any missing precompiled files. If config.assets.compile option is set to false and there are missing precompiled files you will get an "AssetNoPrecompi...
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How do I use NSTimer?

...ewController double timerInterval = 1.0f; - (NSTimer *) timer { if (!_timer) { _timer = [NSTimer timerWithTimeInterval:timerInterval target:self selector:@selector(onTick:) userInfo:nil repeats:YES]; } return _timer; } - (void)viewDidLoad { [super viewDidLoad]; [[NSRu...
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Compelling examples of custom C++ allocators?

What are some really good reasons to ditch std::allocator in favor of a custom solution? Have you run across any situations where it was absolutely necessary for correctness, performance, scalability, etc? Any really clever examples? ...
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How to convert “camelCase” to “Camel Case”?

... "thisStringIsGood" // insert a space before all caps .replace(/([A-Z])/g, ' $1') // uppercase the first character .replace(/^./, function(str){ return str.toUpperCase(); }) displays This String Is Good (function() { const textbox = document.q...
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Accessing UI (Main) Thread safely in WPF

... example: class MyViewModel { private readonly SynchronizationContext _syncContext; public MyViewModel() { // we assume this ctor is called from the UI thread! _syncContext = SynchronizationContext.Current; } // ... private void watcher_Changed(object send...
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How to extract the first two characters of a string in shell scripting?

...two characters, short will be identical to it. This in-shell method is usually better if you're going to be doing it a lot (like 50,000 times per report as you mention) since there's no process creation overhead. All solutions which use external programs will suffer from that overhead. If you also...
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Bootstrap 3 offset on right not left

...nswered Dec 12 '13 at 6:43 Ross AllenRoss Allen 39k1111 gold badges8888 silver badges8787 bronze badges ...
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How to avoid Dependency Injection constructor madness?

..., more coarse-grained interface that hides the interaction between some or all of the fine-grained dependencies you currently require. share | improve this answer | follow ...
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Storing R.drawable IDs in XML array

...encoding="utf-8"?> <resources> <integer-array name="random_imgs"> <item>@drawable/car_01</item> <item>@drawable/balloon_random_02</item> <item>@drawable/dog_03</item> </integer-array> </resources> Then...
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How do you mock out the file system in C# for unit testing?

... Edit: Install the NuGet package System.IO.Abstractions. This package did not exist when this answer was originally accepted. The original answer is provided for historical context below: You could do it by creating an interface: inter...