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SSH configuration: override the default username [closed]
... User buck
The second example will set a username and is hostname specific, while the first example sets a username only. And when you use the second one you don't need to use ssh example.net; ssh example will be enough.
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What is the purpose of “!” and “?” at the end of method names?
...e#sort! sorts it in place.
In Rails, ActiveRecord::Base#save returns false if saving failed, while ActiveRecord::Base#save! raises an exception.
Kernel::exit causes a script to exit, while Kernel::exit! does so immediately, bypassing any exit handlers.
Methods ending in ? return a boolean, which ma...
What is the need of JSF, when UI can be achieved with JavaScript libraries such as jQuery and Angula
...s a UI framework and provides some UI components. But how is it better or different from number of components that are available from jQueryUI, AngularJS, ExtJS, or even plain HTML, CSS and JavaScript.
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How can I install a local gem?
If I download a .gem file to a folder in my computer, can I install it later using gem install ?
9 Answers
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Fast ceiling of an integer division in C / C++
...x + y - 1) / y;
or (avoiding overflow in x+y)
q = 1 + ((x - 1) / y); // if x != 0
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How to remove focus around buttons on click
...d overriding the button focus style worked for me. This problem may be specific to MacOS with Chrome.
.btn:focus {
outline: none;
box-shadow: none;
}
Note though that this has implications for accessibility and isn't advised until you have a good consistent focus state for your buttons and in...
What is the behavior of integer division?
...perator is the algebraic quotient with any
fractional part discarded.88) If the quotient a/b is representable, the expression
(a/b)*b + a%b shall equal a.
and the corresponding footnote:
88) This is often called ‘‘truncation toward zero’’.
Of course two points to note are:
3 ...
How can I convert ereg expressions to preg in PHP?
...str);
preg_match('(^hello)', $str);
preg_match('{^hello}', $str);
// etc
If your delimiter is found in the regular expression, you have to escape it:
ereg('^/hello', $str);
preg_match('/^\/hello/', $str);
You can easily escape all delimiters and reserved characters in a string by using preg_quo...
Set encoding and fileencoding to utf-8 in Vim
What is the difference between these two commands?
3 Answers
3
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Remove a fixed prefix/suffix from a string in Bash
... There are also ## and %% , which remove as much as possible if $prefix or $suffix contain wildcards.
– pts
May 18 '13 at 11:48
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