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How do I check CPU and Memory Usage in Java?
... @ComputerScientist Because free is actually what is free (post GC) it doesn't show objects waiting for GC. To get MUCH more accurate, run 2 garbage collections before this answer. If you try it with and without GC you will find the post-GC values very consistent but the preGC will ...
Remove folder and its contents from git/GitHub's history
...y using filter-branch directly can lead to issues.
Most of the multi-line scripts above to remove dir from the history could be re-written as:
git filter-repo --path dir --invert-paths
The tool is more powerful than just that, apparently. You can apply filters by author, email, refname and more...
Understanding Apache's access log
...>s %b \"%{Referer}i\" \"%{User-agent}i\"" combined
%h is the remote host (ie the client IP)
%l is the identity of the user determined by identd (not usually used since not reliable)
%u is the user name determined by HTTP authentication
%t is the time the request was received.
%r is the request...
How to read a single character from the user?
...now there's a function in Windows for it, but I'd like something that is cross-platform.
23 Answers
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Rails 3 - can't install pg gem
...ur pg-config can be in different locations depending on how you installed postgres.
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How to reset Android Studio
...
I only know how to do this on Windows (but it should be similar on any OS, you will just need to find the correct location yourself - google search would help with that).
On Windows:
Go to your User Folder - on Windows 7/8 this would be:
[SYSDRIVE]:\Users\[your username] (ex. C:\Users\Joh...
How to repeat last command in python interpreter shell?
...n startup file
import readline
import rlcompleter
import atexit
import os
# tab completion
readline.parse_and_bind('tab: complete')
# history file
histfile = os.path.join(os.environ['HOME'], '.pythonhistory')
try:
readline.read_history_file(histfile)
except IOError:
pass
atexit....
How to set gradle home while importing existing project in Android studio
...om Android Studio that is not the right folder.
– lagos
Sep 30 '14 at 7:56
9
the directory in thi...
MYSQL OR vs IN performance
...give their "opinion"': Providing performance figures without including the scripts, tables and indexes used to obtain those figures makes them unverifiable. As such, the figures are as good as an "opinion".
– Disillusioned
Dec 17 '16 at 10:48
...
Text Progress Bar in the Console [closed]
... above functions in Python 2, set the encoding to UTF-8 at the top of your script:
# -*- coding: utf-8 -*-
And replace the Python 3 string formatting in this line:
print(f'\r{prefix} |{bar}| {percent}% {suffix}', end = printEnd)
With Python 2 string formatting:
print('\r%s |%s| %s%% %s' % (prefix,...