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Get environment variable value in Dockerfile
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ARG is available from docker v1.9 onwards.
– Synesso
May 20 '16 at 6:02
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Can I change a column from NOT NULL to NULL without dropping it?
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Warning: The method assertEquals from the type Assert is deprecated
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How do you overcome the HTML form nesting limitation?
... but HTML5 offers a couple new options.
The first is to separate the form from the toolbar in the markup, add another form for the delete action, and associate the buttons in the toolbar with their respective forms using the form attribute.
<form id="saveForm" action="/post/dispatch/save" metho...
What is getattr() exactly and how do I use it?
...ct.x, because you don't know in advance which attribute you want (it comes from a string). Very useful for meta-programming.
you want to provide a default value. object.y will raise an AttributeError if there's no y. But getattr(object, 'y', 5) will return 5.
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How to start a background process in Python?
...o find a background process and redirect its IO so that attach.py can read from / write to some_long_running_prog in background?
– raof01
Mar 5 '14 at 6:46
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git-upload-pack: command not found, when cloning remote Git repo
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Make sure git-upload-pack is on the path from a non-login shell. (On my machine it's in /usr/bin).
To see what your path looks like on the remote machine from a non-login shell, try this:
ssh you@remotemachine echo \$PATH
(That works in Bash, Zsh, and tcsh, and ...
Convert ArrayList to String[] array [duplicate]
...ining a primitive type object, e.g. Double, Float, Integer, Long. And then from there your normal arrays must be defined with this type, e.g. Double[] myDoubleArray = list.toArray(new Double[listOfDoubles.size()]);
– planty182
Sep 5 '13 at 13:03
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How can I get stock quotes using Google Finance API?
I'm looking for access to financial data from Google services.
13 Answers
13
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Is there any way to git checkout previous branch?
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From the release notes for 1.6.2
@{-1} is a way to refer to the last branch you were on. This is
accepted not only where an object name is expected, but anywhere a
branch name is expected and acts as if you typed the...