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Where are my postgres *.conf files?
...uperuser_reserved_connections = 3 # (change requires restart)
#unix_socket_directories = '/var/run/postgresql, /tmp'
# comma-separated list of directories
# (change requires restart)
#unix_socket_group = '' # (change requires restart)
#unix_socket_permissions = 0777...
How to revert a “git rm -r .”?
... git reset --hard HEAD destroys any useful changes you have made in parent directories of the current working directory.
– Alex Brown
Feb 5 '10 at 14:41
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How do I directly modify a Google Chrome Extension File? (.CRX)
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Installed Chrome extension directories are listed below:
Copy the folder of the extension you wish to modify. ( Named according to the extension ID, to find the ID of the extension, go to chrome://extensions/). Once copied, you have to remove the _m...
Could not load file or assembly … The parameter is incorrect
Recently I met the following exception at C# solution:
27 Answers
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warning: Insecure world writable dir /usr/local/bin in PATH, mode 040777
...eared that a Hauwei mobile dongle I had used had installed world writeable directories in /usr/local as well
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Getting distance between two points based on latitude/longitude
...on1 = radians(21.0122287)
lat2 = radians(52.406374)
lon2 = radians(16.9251681)
dlon = lon2 - lon1
dlat = lat2 - lat1
a = sin(dlat / 2)**2 + cos(lat1) * cos(lat2) * sin(dlon / 2)**2
c = 2 * atan2(sqrt(a), sqrt(1 - a))
distance = R * c
print("Result:", distance)
print("Should be:", 278.546, "km")
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Painless way to install a new version of R?
Andrew Gelman recently lamented the lack of an easy upgrade process for R (probably more relevant on Windows than Linux). Does anyone have a good trick for doing the upgrade, from installing the software to copying all the settings/packages over?
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Difference between abstract class and interface in Python
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JimBJimB
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How to uninstall editable packages with pip (installed with -e)
I have installed some packages with -e
6 Answers
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Revert to Eclipse default settings
...cluding the core ones, are saved in the [workspace_dir]/.metadata/.plugins directories ([workspace_dir] refers to the workspace directory you use).
So if you remove the [workspace_dir]/.metadata, you will reset all the properties defined (which will include all the properties, not only the font one...