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Regex - Does not contain certain Characters
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How to subtract 2 hours from user's local time?
...another date object
var d = new Date();
d.setHours(d.getHours() - 2);
Complete reference list for Date object
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Removing non-repository files with git?
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You can use git-clean. This command will remove untracked files/directories. By default, it will only print what it would have removed, without actually removing them.
Given the -f flag to remove the files, and the -d flag to remove empty directories a...
Rebuild IntelliJ project indexes
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This cleared up a compilation problem I was having in IJ 14.0.3 where IJ was not resolving imports from dependent modules even though they were explicitly included in the project structure. You no longer have to restart IJ.
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Xcode stops working after set “xcode-select -switch”
... to Xcode ➙ Preferences… ➙ Locations and pick one of the options for Command Line Tools to set the location.
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matplotlib.pyplot will not forget previous plots - how can I flush/refresh?
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43
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How to change current working directory using a batch file
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@josch: Yes, if we are talking about CMD's internal commands, then switch parameters like /D above are case-insensitive (/D = /d), just like the commands themselves (CD = cd). I believe that is also true for all external Windows command-line utilities (like FINDSTR, SORT etc.)...
How can I stop a Postgres script when it encounters an error?
...t from Peter Eisentraut. Thank you, Peter!
http://petereisentraut.blogspot.com/2010/03/running-sql-scripts-with-psql.html
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What's the result of += in C and C++?
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Semantics of the compound assignment operators is different in C and C++:
C99 standard, 6.5.16, part 3:
An assignment operator stores a value in the object designated by the left operand. An
assignment expression has the value of the l...
Pandas timeseries plot setting x-axis major and minor ticks and labels
... more reasonable to use matplotlib.dates (as mentioned by @BrenBarn in his comment).
import numpy as np
import pandas as pd
import matplotlib.pyplot as plt
import matplotlib.dates as dates
idx = pd.date_range('2011-05-01', '2011-07-01')
s = pd.Series(np.random.randn(len(idx)), index=idx)
fig, ax...