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Can I run multiple versions of Google Chrome on the same machine? (Mac or Windows)
...(bash) to ease the creation of a local repository of Chrome versions - see https://gist.github.com/Rob--W/8577499)
VB Script which automates install, config & launch
I've created a VB script which installs and configures Chrome (tested in XP and Win 7). Launch the script, and a file dialog app...
Enable the display of line numbers in Visual Studio
...; Options -> Text Editor -> All Languages -> check Line Numbers
https://msdn.microsoft.com/en-us/library/ms165340.aspx
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Show pending migrations in rails
...ationError that you need to rescue)
you can use needs_migration? method:
https://apidock.com/rails/v4.0.2/ActiveRecord/Migrator/needs_migration%3F/class
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How To Set A JS object property name from a variable
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Edge 12+ (No IE support), FF34+, Chrome 44+, Opera 31+, Safari 7.1+
(https://kangax.github.io/compat-table/es6/)
You can add support to older browsers by using a transpiler such as babel. It is easy to transpile an entire project if you are using a module bundler such as rollup or webpack.
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Checking if a folder exists using a .bat file [closed]
...ace yourfilename with the name of your file.
For a directory look at this https://jeffpar.github.io/kbarchive/kb/065/Q65994/
C:
IF NOT EXIST C:\WIN\ GOTO NOWINDIR
CD \WIN
:NOWINDIR
trailing backslash ('\') seems to be enough to distinguish between directories and ordinary files.
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Opposite of %in%: exclude rows with values specified in a vector
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Hmisc has %nin% function, which should do this.
https://www.rdocumentation.org/packages/Hmisc/versions/4.4-0/topics/%25nin%25
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Numpy matrix to array
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result = M.A1
https://docs.scipy.org/doc/numpy-1.14.0/reference/generated/numpy.matrix.A1.html
matrix.A1
1-d base array
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Check if URL has certain string with PHP
... to use ' ' instead of " ".
I use this code to show an alert on my webpage https://geaskb.nl/
where the URL contains the word "Omnik"
but hide the alert on pages that do not contain the word "Omnik" in the URL.
Create, read, and erase cookies with jQuery [duplicate]
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Use jquery cookie plugin, the link as working today:
https://github.com/js-cookie/js-cookie
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Rails 3.1: Engine vs. Mountable App
...ses/Rails/Engine.html
http://railscasts.com/episodes/277-mountable-engines
https://github.com/rails/rails/pull/6499
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