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Facebook share button and custom text [closed]
...e any way to make facebook share button which post custom text on the wall or news feed?
9 Answers
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Why use 'git rm' to remove a file instead of 'rm'?
...use git rm --cached which will remove the file from the index (staging it for deletion on the next commit), but keep your copy in the local file system.
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App Inventor 2 数学代码块 · App Inventor 2 中文网
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App Inventor 2 数学代码块
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Ruby Regexp group matching, assign variables on 1 line
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You don't want scan for this, as it makes little sense. You can use String#match which will return a MatchData object, you can then call #captures to return an Array of captures. Something like this:
#!/usr/bin/env ruby
string = "RyanOnRails: T...
Checking if a list is empty with LINQ
...merable<T> source)
{
if (source == null)
return true; // or throw an exception
return !source.Any();
}
Edit: Note that simply using the .Count method will be fast if the underlying source actually has a fast Count property. A valid optimization above would be to detect a few ...
git - pulling from specific branch
I have cloned a git repository to my dev server and then switched to the dev branch but now I can't do a git pull to update the branch.
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python numpy ValueError: operands could not be broadcast together with shapes
In numpy, I have two "arrays", X is (m,n) and y is a vector (n,1)
6 Answers
6
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How to use RSpec's should_raise with any kind of exception?
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expect { some_method }.to raise_error
RSpec 1 Syntax:
lambda { some_method }.should raise_error
See the documentation (for RSpec 1 syntax) and RSpec 2 documentation for more.
shar...
Find nearest value in numpy array
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import numpy as np
def find_nearest(array, value):
array = np.asarray(array)
idx = (np.abs(array - value)).argmin()
return array[idx]
array = np.random.random(10)
print(array)
# [ 0.21069679 0.61290182 0.63425412 ...
How can I open a Shell inside a Vim Window?
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Neovim and Vim 8.2 support this natively via the :ter[minal] command.
See terminal-window in the docs for details.
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