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docker mounting volumes on host
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The VOLUME command will mount a directory inside your container and store any files created or edited inside that directory on your hosts disk outside the container file structure, bypassing the union file system.
The idea is that your volumes can be shared betw...
Create array of symbols
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The original answer was written back in September '11, but, starting from Ruby 2.0, there is a shorter way to create an array of symbols! This literal:
%i[address city state postal country]
will do exactly what you want.
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Github Windows 'Failed to sync this branch'
...1.0.38.1 and when I click the 'Sync' button after committing, I get the error
17 Answers
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How to create a custom string representation for a class object?
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Implement __str__() or __repr__() in the class's metaclass.
class MC(type):
def __repr__(self):
return 'Wahaha!'
class C(object):
__metaclass__ = MC
print C
Use __str__ if you mean a readable stringification, use __repr__ for unambigu...
Why use sprintf function in PHP?
I am trying to learn more about the PHP function sprintf() but php.net did not help me much as I am still confused, why would you want to use it?
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How to programmatically display version/build number of target in iOS app?
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There are 2 Numbers!
The marketing release number is for the customers, called version number. It starts with 1.0 and goes up for major updates to 2.0, 3.0, for minor updates to 1.1, 1.2 and for bug fixes to 1.0.1, 1.0.2 . This number is oriented about releases and new features....
In Gradle, how do I declare common dependencies in a single place?
...eference that dependency from child modules without specifying the version or scope or whatever.
7 Answers
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javascript check for not null
Below is a code snippet, where we retrieve a form value.
Before further processing check if the value is not null..
10 Answ...
How does autowiring work in Spring?
I'm a little confused as to how the inversion of control ( IoC ) works in Spring .
11 Answers
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Using print statements only to debug
I have been coding a lot in Python of late. And I have been working with data that I haven't worked with before, using formulae never seen before and dealing with huge files. All this made me write a lot of print statements to verify if it's all going right and identify the points of failure. But, ...