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Get current time in seconds since the Epoch on Linux, Bash
...n Oct 21 00:00:00 PDT 1973
Apple's man page for the date implementation:
https://developer.apple.com/library/mac/documentation/Darwin/Reference/ManPages/man1/date.1.html
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How to force push a reset to remote repository?
... to do git push that is not fast-forward.
If the remote is GitHub, go to https://github.com/$USER/$REPO/settings/branches and un-protect the branch in question.
You have to be admin of the repo to do that.
If the remote is your own git server, run git config receive.denynonfastforwards false th...
How do I associate a Vagrant project directory with an existing VirtualBox VM?
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Update with same problem today with Vagrant 1.7.4:
useful thread at https://github.com/mitchellh/vagrant/issues/1755
and specially with following commands:
For example, to pair box 'vip-quickstart_default_1431365185830_12124' to vagrant.
$ VBoxManage list
"vip-quickstart_default_1431365185...
Is it possible only to declare a variable without assigning any value in Python?
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In Python 3.6+ you could use Variable Annotations for this:
https://www.python.org/dev/peps/pep-0526/#abstract
PEP 484 introduced type hints, a.k.a. type annotations. While its main focus was function annotations, it also introduced the notion of type comments to annotate variables:
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XAMPP - Port 80 in use by “Unable to open process” with PID 4! 12
...You should also disable them.
Start Apache again with XAMPP :)
Link Ref: https://www.sitepoint.com/unblock-port-80-on-windows-run-apache/
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spring boot default H2 jdbc connection (and H2 console)
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I have found a nice tutorial about this topic:
https://springframework.guru/using-the-h2-database-console-in-spring-boot-with-spring-security/
Basically the correct JDBC URL for me was: jdbc:h2:mem:testdb
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How to calculate number of days between two given dates?
... 26)
delta = d1 - d0
print(delta.days)
The relevant section of the docs:
https://docs.python.org/library/datetime.html.
See this answer for another example.
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SASS - use variables across multiple files
...mespace;
Use @use instead of @import according to the official docs below:
https://sass-lang.com/documentation/at-rules/import
Then in your styles.scss file you can use any variable which is defined in master.scss like below:
someClass {
backgroud-color: m.$theme;
color: m.$button_color;
}
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What is the difference between Type and Class?
...een subtypes and subclass probably helps to understand that issue as well:
https://www.cs.princeton.edu/courses/archive/fall98/cs441/mainus/node12.html
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Pretty-print an entire Pandas Series / DataFrame
... this one. You can even configure it to load every time you start IPython: https://ipython.org/ipython-doc/1/config/overview.html
def print_full(x):
pd.set_option('display.max_rows', len(x))
print(x)
pd.reset_option('display.max_rows')
As for coloring, getting too elaborate with color...