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Converting PKCS#12 certificate into PEM using OpenSSL
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If you can use Python, it is even easier if you have the pyopenssl module. Here it is:
from OpenSSL import crypto
# May require "" for empty password depending on version
with open("push.p12", "rb") as file:
p12 = crypto.load_pkcs12(...
URL Encoding using C#
...characters. Since UrlEncode does this up front, it is rather easy.
As for Linux versus windows, there are some characters that are acceptable in Linux that are not in Windows, but I would not worry about that, as the folder name can be returned by decoding the Url string, using UrlDecode, so you ca...
Difference between binary semaphore and mutex
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@warl0ck As per the man page of pthread_mutex_lock linux.die.net/man/3/pthread_mutex_lock : "If the mutex type is PTHREAD_MUTEX_ERRORCHECK, then error checking shall be provided....If a thread attempts to unlock a mutex that it has not locked or a mutex which is unlocked, an ...
Given a number, find the next higher number which has the exact same set of digits as the original n
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Here's a compact (but partly brute force) solution in Python
def findnext(ii): return min(v for v in (int("".join(x)) for x in
itertools.permutations(str(ii))) if v>ii)
In C++ you could make the permutations like this: https://stackoverflow.com/a/9243091/1149664 (It's ...
Shuffle two list at once with same order
...er because I need compare them in the end (it depends on order). I'm using python 2.7
6 Answers
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How would I get a cron job to run every 30 minutes?
...r failure message.
Note: Mac OS X appears to use Vixie Cron, the same as Linux and the BSDs.
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How to exit pdb and allow program to continue?
... For the extreme cases, nothing beats set_trace = lambda: None. Python org should add a command that just lets you get out of pdb.
– ErezO
Oct 28 '16 at 5:52
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Trying to fix line-endings with git filter-branch, but having no luck
I have been bitten by the Windows/Linux line-ending issue with git. It seems, via GitHub, MSysGit, and other sources, that the best solution is to have your local repos set to use linux-style line endings, but set core.autocrlf to true . Unfortunately, I didn't do this early enough, so now ever...
Run php script as daemon process
...comes packaged with it by default), but is intended to be suitable for all Linux distros.
This approach is similar to Supervisord and daemontools, in that it automatically starts the daemon on system boot and respawns on script completion.
How to set it up:
Create a new script file at /etc/init/m...
Get Image size WITHOUT loading image into memory
...ontents, PIL is probably an overkill.
I suggest parsing the output of the python magic module:
>>> t = magic.from_file('teste.png')
>>> t
'PNG image data, 782 x 602, 8-bit/color RGBA, non-interlaced'
>>> re.search('(\d+) x (\d+)', t).groups()
('782', '602')
This is a w...