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How can I copy the content of a branch to a new local branch?
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git branch copyOfMyBranch MyBranch
This avoids the potentially time-consuming and unnecessary act of checking out a branch. Recall that a checkout modifies the "working tree", which could take a long time if it is large or contains large files (images or videos, for e...
Devise - How do I forbid certain users from signing in?
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Devise Wiki - How to customize user account status validation when logging in
– jaustin
Mar 17 '15 at 17:40
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When should I use ugettext_lazy?
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Translation works on variables. Again, here’s an identical example docs, so why _noop?
– WeizhongTu
Sep 7 '16 at 13:31
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What does the (unary) * operator do in this Ruby code?
...ist according to the terminology used in 'The Well Grounded Rubyist' by David A. Black
– David Burrows
Jun 24 '09 at 12:29
12
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Why java classes do not inherit annotations from implemented interfaces?
...interface Baz { String value(); }
public interface Foo{
@Baz("baz") void doStuff();
}
public interface Bar{
@Baz("phleem") void doStuff();
}
public class Flipp{
@Baz("flopp") public void doStuff(){}
}
public class MyClass extends Flipp implements Foo, Bar{}
If I do this:
MyClass.c...
Using the Swift if let with logical AND operator &&
...and checking that the unwrapped optional meets the condition:
if let w = width as? Int where w < 500
{
println("success!")
}
For those now using Swift 3, "where" has been replaced by a comma. The equivalent would therefore be:
if let w = width as? Int, w < 500
{
println("success!")...
Compare two Byte Arrays? (Java)
..., which of course can never be true. In addition, array classes don't override .equals() so the behavior is that of Object.equals() which also only compares the reference values.
To compare the contents of two arrays, static array comparison methods are provided by the Arrays class
byte[] array =...
What's the difference of ContentType and MimeType
...pe" just a name used in
browser requests, and with very little
use outside it?
What's the main difference between the
each one, and when is right to call
something mimetype as opposed to
content-type ? Am i being pitty and
grammar nazi?
The reason isn't only backward compatibility...
When should I use perror(“…”) and fprintf(stderr, “…”)?
Reading the man pages and some code did not really help me in
understanding the difference between - or better, when I should use - perror("...") or fprintf(stderr, "...") .
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How can I obtain an 'unbalanced' grid of ggplots?
With grid.arrange I can arrange multiple ggplot figures in a grid to achieve a multi-panel figure by using something like:
...