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What is the purpose of “!” and “?” at the end of method names?
Sometimes I see methods in Ruby that have "?" and "!" at the end of them, e.g:
5 Answers
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How do I make a placeholder for a 'select' box?
...abled option as the default selection (placeholder). It shows the next one by default, in this case "Durr".
– jarnoan
Feb 27 '12 at 12:12
53
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What does -save-dev mean in npm install grunt --save-dev
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by default it wont install with dev dependencies but how i install with then? npm install --dev flag?
– StanleyZheng
Sep 16 '14 at 18:34
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How are VST Plugins made?
... plugin - For making VST plugins in C++Builder, first you need the VST sdk by Steinberg. It's available from the Yvan Grabit's site (the link is at the top of the page).
The next thing you need to do is create a .def file (for example : myplugin.def). This needs to contain at least the following li...
A generic error occurred in GDI+, JPEG Image to MemoryStream
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OK I seem to have found the cause just by sheer luck and its nothing wrong with that particular method, it's further back up the call stack.
Earlier I resize the image and as part of that method I return the resized object as follows. I have inserted two calls to...
Correct way to use get_or_create?
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How can I make pandas dataframe column headers all lowercase?
... imageUploader: {
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What are the differences between a UIView and a CALayer?
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On iOS, every UIView is backed by a Core Animation CALayer, so you are dealing with CALayers when using a UIView, even though you may not realize it. Unlike NSViews on the Mac, which evolved before Core Animation existed, UIViews are intended to be lightw...
How to prevent ReflectionTypeLoadException when calling Assembly.GetTypes()
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In my case, the same problem was caused by the presence of unwanted assemblies in the application folder. Try to clear the Bin folder and rebuild the application.
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What is the meaning of “POSIX”?
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POSIX is a family of standards, specified by the IEEE, to clarify and make uniform the application programming interfaces (and ancillary issues, such as commandline shell utilities) provided by Unix-y operating systems. When you write your programs to rely on POSIX ...