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How do I clear stuck/stale Resque workers?
...-9]*):[^:]*$/); pid = matches[1]; w.unregister_worker unless w.worker_pids.include?(pid.to_s)} which will only unregister those workers which pids are not part of the known running pids. I do not know if this works in all environment but it works good on ubuntu. This might only work when your work...
Apply a function to every row of a matrix or a data frame
...ge of these apply kinds of functions. It also provides more functionality, including parallel processing.
– Paul Hiemstra
Nov 30 '11 at 13:29
6
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Pretty-print C++ STL containers
...
This solution was inspired by Marcelo's solution, with a few changes:
#include <iostream>
#include <iterator>
#include <type_traits>
#include <vector>
#include <algorithm>
// This works similar to ostream_iterator, but doesn't print a delimiter after the final item...
How to handle WndProc messages in WPF?
... and HwndSourceHook. See this thread on MSDN as an example. (Relevant code included below)
// 'this' is a Window
HwndSource source = HwndSource.FromHwnd(new WindowInteropHelper(this).Handle);
source.AddHook(new HwndSourceHook(WndProc));
private static IntPtr WndProc(IntPtr hwnd, int msg, IntPtr wP...
Why does C++ compilation take so long?
...er has to be compiled multiple times
(once for every compilation unit that includes it).
Linking
Once compiled, all the object files have to be linked together.
This is basically a monolithic process that can't very well be parallelized, and has to process your entire project.
Parsing
The synt...
Is it possible to install another version of Python to Virtualenv?
...to/pyenv/bin/python --verbose env
Fix the symlink to python2.7 within env/include/
$ ls -l env/include/
$ cd !$
$ rm python2.7
$ ln -s ../../pyenv/include/python2.7 python2.7
$ cd ../../
Fix the remaining python symlinks in env. You'll have to delete the symbolically linked directories and recre...
How is the Linux kernel tested ?
...ject under the GPL and is used and developed by a number of organizations, including Google, IBM, Red Hat, and many others. http://autotest.github.io/
Also there are certification systems developed by some major GNU/Linux distribution companies. These systems usually check complete GNU/Linux distr...
Convert to binary and keep leading zeros in Python
...t following the Format Specification mini language. The # makes the format include the 0b prefix, and the 010 size formats the output to fit in 10 characters width, with 0 padding; 2 characters for the 0b prefix, the other 8 for the binary digits.
This is the most compact and direct option.
If you...
unable to print object ('po') in xcode6 beta 6 osx swift project: (Error in auto-import: failed to g
... in auto-import:
failed to get module 'Touch' from AST context:
<module-includes>:1:9: note: in file included from <module-includes>:1:
#import "/Applications/Xcode.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS.sdk/usr/include/libxml2/libxml/tree.h"
^...
Including a .js file within a .js file [duplicate]
I'd like to know if it is possible to include a .js file within another .js file?
5 Answers
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