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Best way to pretty print a hash
I have a large hash with nested arrays and hashes. I would like to simply print it out so it 'readable' to the user.
12 An...
How to wait for a number of threads to complete?
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You put all threads in an array, start them all, and then have a loop
for(i = 0; i < threads.length; i++)
threads[i].join();
Each join will block until the respective thread has completed. Threads may complete in a different order than you joining them, but that's n...
SyntaxError: Non-ASCII character '\xa3' in file when function returns '£'
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I got the same problem and my Python is 2.7.11. After adding the the second line # -*- coding: utf-8 -*- to the top of the file, it resolved the problem.
– hailong
Jun 22 '16 at 14:29
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Sequence-zip function for c++11?
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Warning: boost::zip_iterator and boost::combine as of Boost 1.63.0 (2016 Dec 26) will cause undefined behavior if the length of the input containers are not the same (it may crash or iterate beyond the end).
Starting from Boost 1.56.0 (2014 Aug 7) you...
What is the best way to count “find” results?
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find <expr> -type f -printf '.' | wc -c
It will be more reliable and faster than counting the lines.
Note that I use the find's printf, not an external command.
Let's bench a bit :
$ ls -1
a
e
l
ll.sh
r
t
y
z
My snippet benchmark :
$ time find -type f -printf '.' | wc -c
8
real ...
Am I immoral for using a variable name that differs from its type only by case?
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community wiki
Andrew Hare
8
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How to add System.Windows.Interactivity to project?
... to install Expression Blend, but on my other computer I have this library and I don't have Expression Blend installed. So there should be another way to obtain System.Windows.Interactivity ? What should I do? (right now i don't have another computer so I can not just copy this library :)
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Force HTML5 youtube video
... reports are biased. Nobody said if he/she is in "html5 beta of youtube" and this is probably key factor. When I leave the html5 beta, it seems that ?html5=1 don't do anything. Every video goes with flash.
– Paul Brewczynski
Jul 13 '13 at 21:57
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std::shared_ptr of this
...is std::enable_shared_from_this just for this purpose. You inherit from it and you can call .shared_from_this() from inside the class. Also, you are creating circular dependencies here that can lead to resource leaks. That can be resolved with the use of std::weak_ptr. So your code might look like t...
Change auto increment starting number?
In MySQL, I have a table, and I want to set the auto_increment value to 5 instead of 1 . Is this possible and what query statement does this?
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