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Using OpenSSL what does “unable to write 'random state'” mean?
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Yes, if you run from php web server, the user is www-data, and you should add "export" before every openssl: shell_exec('export RANDFILE=".rnd";openssl ecparam -genkey -name secp256k1'))
– diyism
Jun 21 '13...
How do I convert an object to an array?
...es with nested objects.
in your case you have to do something like;
<?php
print_r(get_object_vars($response->response->docs));
?>
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Setting Objects to Null/Nothing after use in .NET
...ong to say "premature optimization is bad, always" as it is to jump to the opposite extreme of "sounds more like 'prefer slow'." No reasonable programmer would say either. It's about nuance and being smart about what your optimizing. I'd personally worry about code clarity and THEN ACTUALLY TEST per...
My Git repository is in the wrong root directory. Can I move it? (../ instead of ./)
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I had the opposite problem - had to shift the git root to the parent directory (from project/src to project)
To my extreme surprise, the following worked!!
src$ mv .git ../
src$ cd ..
project$ git add src
project$ git commit -a
git...
Difference between compile and runtime configurations in Gradle
...ompile configuration is also visible on its runtime configuration, but the opposite isn't true.
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How do you log server errors on django sites
...here is a bit of work involved in setting it up properly (as a separate website). If you just want to log everything to a simple text file here's the logging configuration to put in your settings.py
LOGGING = {
'version': 1,
'disable_existing_loggers': False,
'handlers': {
# Inc...
How to redirect stderr to null in cmd.exe
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However following will do almost the opposite of what some may expect copy foo.txt con >> bar 2>nul. bar will contain the text one file(s) copied and the console will containt the content of foo.txt.
– Patrick Fromberg
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How does one reorder columns in a data frame?
...ample, the following will reorder the columns of the mtcars dataset in the opposite order:
mtcars %>% select(carb:mpg)
And the following will reorder only some columns, and discard others:
mtcars %>% select(mpg:disp, hp, wt, gear:qsec, starts_with('carb'))
Read more about dplyr's select ...
How can I create Min stl priority_queue?
...the constructor default parameter. By doing l>r or r<l you'd get the opposite.
– Diaa
Nov 14 '14 at 10:44
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How to check if a python module exists without importing it
...(sys.argv[1])
Calling it from the command like:
python module_help.py site
Would output:
Help on module site:
NAME
site - Append module search paths for third-party packages to sys.path.
FILE
/usr/lib/python2.7/site.py
MODULE DOCS
http://docs.python.org...