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Evaluating string “3*(4+2)” yield int 18 [duplicate]
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Yes, you can let C# compiler evaluate it at runtime.
See: CSharpCorner
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How to get a specific “commit” of a gem from github?
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Any of these should work:
gem 'rails', :git => 'git://github.com/rails/rails.git', :ref => '4aded'
gem 'rails', :git => 'git://github.com/rails/rails.git', :branch => '2-3-stable'
gem 'rails', :git => 'git://github.com/rails/rails.git', :tag => 'v2.3.5'
Source: How t...
Inserting string at position x of another string
... a jsperf. This is a note to anyone who reads this in the future. jsperf.com/javascript-string-splice. Tested in latest FF/Chrome/IE10/IE9. I would use lean nickf's approach over this one for both clarity and performance.
– junkyspace
Aug 15 '13 at 19:47
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Selecting data frame rows based on partial string match in a column
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@nico: in fact, grep comes from the ed command g/re/p (global / regular expression / print), and it reveals its real power only to the master of regular expression-fu ;-): en.wikipedia.org/wiki/Grep
– Stephan Kolassa
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What are conventions for filenames in Go?
... or "_" are ignored by the go tool
Files with the suffix _test.go are only compiled and run by the go test tool.
Files with os and architecture specific suffixes automatically follow those same constraints, e.g. name_linux.go will only build on linux, name_amd64.go will only build on amd64. This is ...
What are forward declarations in C++?
At: http://www.learncpp.com/cpp-tutorial/19-header-files/
8 Answers
8
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How to un-commit last un-pushed git commit without losing the changes
Is there a way to revert a commit so that my local copy keeps the changes made in that commit, but they become non-committed changes in my working copy? Rolling back a commit takes you to the previous commit - I want to keep the changes made but I committed them to the wrong branch.
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SecurityError: Blocked a frame with origin from accessing a cross-origin frame
...t would happen trying to access the following URLs from http://www.example.com/home/index.html
URL RESULT
http://www.example.com/home/other.html -> Success
http://www.example.com/dir/inner/another.php -> Success
http://www.example.com:80 ...
List of standard lengths for database fields
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W3C's recommendation:
If designing a form or database that will accept names from people
with a variety of backgrounds, you should ask yourself whether you
really need to have separate fields for given name and family name.
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Git push existing repo to a new and different remote repo server?
... a new question, but in short - you can add any number of remotes with the command git remote add. You can then push to one of them by explicitly stating the remote in git push. E.g. git push foobar master to push the current branch to master on remote foobar.
– troelskn
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