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Verifying signed git commits?
With newer versions of git it's possible to sign individual commits (in addition to tags) with a PGP key:
3 Answers
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How can I pass a list as a command-line argument with argparse?
...uired=True)
# Use like:
# python arg.py -l 1234 -l 2345 -l 3456 -l 4567
With append you provide the option multiple times to build up the list.
Don't use type=list!!! - There is probably no situation where you would want to use type=list with argparse. Ever.
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Order discrete x scale by frequency/value
I am making a dodged bar chart using ggplot with discrete x scale, the x axis are now arranged in alphabetical order, but I need to rearrange it so that it is ordered by the value of the y-axis (i.e., the tallest bar will be positioned on the left).
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Can I call jquery click() to follow an link if I haven't bound an event handler to it with bind
...on. I have used $().trigger() and window.location also, and I can make it work as intended with all three.
10 Answers
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How do I declare a 2d array in C++ using new?
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A dynamic 2D array is basically an array of pointers to arrays. You can initialize it using a loop, like this:
int** a = new int*[rowCount];
for(int i = 0; i < rowCount; ++i)
a[i] = new int[colCount];
The above, for colCount= 5 and rowCount = 4, would produce the following:
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Compression/Decompression string with C#
...error in my code except when I decompression my code and return my string, its returning only half of the XML.
5 Answers
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Send string to stdin
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And how to input binary values in this way? Without using the pipe (I know it can be done with the pipe as follows: echo -e "\x01\x02..." | ./script)
– cprcrack
Dec 3 '12 at 2:25
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Why is a div with “display: table-cell;” not affected by margin?
I have div elements next to each other with display: table-cell; .
4 Answers
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C++ templates that accept only certain types
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I suggest using Boost's static assert feature in concert with is_base_of from the Boost Type Traits library:
template<typename T>
class ObservableList {
BOOST_STATIC_ASSERT((is_base_of<List, T>::value)); //Yes, the double parentheses are needed, otherwise the comma ...
How to read a single char from the console in Java (as the user types it)?
...e an easy way to read a single char from the console as the user is typing it in Java? Is it possible? I've tried with these methods but they all wait for the user to press enter key:
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