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What does the “-U” option stand for in pip install -U
Despite a ton of Googling, I can't find any docs for pip's command line options/arguments. What does pip install -U mean? Does anyone have a link to a list of pip's options and arguments?
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How do I select child elements of any depth using XPath?
Suppose I have this (simplified):
4 Answers
4
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How to prevent a click on a '#' link from jumping to top of page?
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This method was fine for pre-HTML 4 but today it is very bad practice as it breaks too many navigation actions such as "open link in new tab".
– Steve-o
Jul 15 '10 at 7:20
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What predefined macro can I use to detect clang?
I'm trying to detect the compiler used to compile my source code. I can easily find predefined macros to check for MSVC or GCC (see http://predef.sourceforge.net/ for example), but I cannot find any macro to check for clang.
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Is it safe to assume strict comparison in a JavaScript switch statement?
...an false , or an integer (including 0). I want to put it in a switch statement like:
3 Answers
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Stream.Seek(0, SeekOrigin.Begin) or Position = 0
When you need to reset a stream to beginning (e.g. MemoryStream ) is it best practice to use
2 Answers
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Remove the error indicator from a previously-validated EditText widget
I am using an EditText widget, and I am validating it with the setError() method of EditText and it validates correctly.
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How do I ignore the authenticity token for specific actions in Rails?
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For previous versions:
For individual actions, you can do:
protect_from_forgery :only => [:update, :destroy, :create]
#or
protect_from_forgery :except => [:update, :destroy, :create]
For an entire controller, you can do:
skip_before_action :verify_authenticity_token
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Adding services after container has been built
Is it possible to register a service at run-time, meaning after the ContainerBuilder has been built and the Container has been created (and ContainerBuilder disposed of)?
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git - diff of current changes before committing
I have changed several files in a git repository, but have not committed them yet.
2 Answers
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