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IntelliJ beginning of file keyboard shortcut
...ove to the beginning of a file? I checked IntelliJ's Keymap for Mac OS X and it doesn't list anything for navigating to the start of a file.
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What is the difference between the 'COPY' and 'ADD' commands in a Dockerfile?
What is the difference between the COPY and ADD commands in a Dockerfile, and when would I use one over the other?
13 A...
What is the point of “final class” in Java?
I am reading a book about Java and it says that you can declare the whole class as final . I cannot think of anything where I'd use this.
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Deep null checking, is there a better way?
...ing a new operation "?." to the language that has the semantics you want. (And it has been added now; see below.) That is, you'd say
cake?.frosting?.berries?.loader
and the compiler would generate all the short-circuiting checks for you.
It didn't make the bar for C# 4. Perhaps for a hypothetic...
How do you configure Django for simple development and deployment?
...l together with a settings.py file that firstly imports settings_local.py, and then one of the other two. It decides which to load by two settings inside settings_local.py - DEVELOPMENT_HOSTS and PRODUCTION_HOSTS. settings.py calls platform.node() to find the hostname of the machine it is running ...
What's to stop malicious code from spoofing the “Origin” header to exploit CORS?
The way I understand it, if a client-side script running on a page from foo.com wants to request data from bar.com, in the request it must specify the header Origin: http://foo.com , and bar must respond with Access-Control-Allow-Origin: http://foo.com .
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Class method differences in Python: bound, unbound and static
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In Python, there is a distinction between bound and unbound methods.
Basically, a call to a member function (like method_one), a bound function
a_test.method_one()
is translated to
Test.method_one(a_test)
i.e. a call to an unbound method. Because of that, a call to...
Why is semicolon allowed in this python snippet?
...needs this semi-colon thing, but somebody thought it would be nice to have and added it to the language.
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Pythonic way to create a long multi-line string
...s in Python. A way to do it in JavaScript would be using several sentences and joining them with a + operator (I know, maybe it's not the most efficient way to do it, but I'm not really concerned about performance in this stage, just code readability). Example:
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How to vertically center content with variable height within a div?
...ll. Also, I would love a solution with no, or very little use of CSS hacks and/or non-semantic markup.
9 Answers
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