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What is the difference between 'typedef' and 'using' in C++11?
...as already been mentioned in the original post.
Same semantics
As governed by [dcl.typedef]/2 [extract, emphasis mine]
[dcl.typedef]/2 A
typedef-name
can also be introduced by an
alias-declaration.
The identifier following the using keyword becomes a
typedef-name and the optional attribute-specifie...
Emacs: print key binding for a command or list all key bindings
...you all bindings. C-h m (M-x describe-mode) is also handy to list bindings by mode.
You might also try C-h k (M-x describe-key) to show what command is bound to a key. For instance, on my machine save-buffers-kill-emacs isn't bound to anything, but C-h k C-x C-c tells me that C-x C-c is bound to s...
How to add target=“_blank” to JavaScript window.location?
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@BenRacicot well yes, popups are blocked by default and most people don't change that
– twinlakes
Nov 5 '15 at 0:11
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Show hidden div on ng-click within ng-repeat
...s">
<li ng-repeat="procedure in procedures | filter:query | orderBy:orderProp">
<h4><a href="#" ng-click="showDetails = ! showDetails">{{procedure.definition}}</a></h4>
<div class="procedure-details" ng-show="showDetails">
<p...
How to find a min/max with Ruby
... min(5,10) , or Math.max(4,7) . Are there functions to this effect in Ruby?
6 Answers
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How to define @Value as optional
...y to specify that @Value is not required?
Working on the assumption that by 'not required' you mean null then...
You have correctly noted that you can supply a default value to the right of a : character. Your example was @Value("${myValue:DEFAULT}").
You are not limited to plain strings as def...
finding the type of an element using jQuery
...cond answer could be used as pure Javascript solution.
document.getElementById('elementId').tagName
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MySQL - length() vs char_length()
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LENGTH() returns the length of the string measured in bytes.
CHAR_LENGTH() returns the length of the string measured in characters.
This is especially relevant for Unicode, in which most characters are encoded in two bytes. Or UTF-8, where the number of bytes varies. For ex...
jQuery 1.9 .live() is not a function
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You can avoid refactoring your code by including the following JavaScript code
jQuery.fn.extend({
live: function (event, callback) {
if (this.selector) {
jQuery(document).on(event, this.selector, callback);
}
return this...
How to convert Milliseconds to “X mins, x seconds” in Java?
...f precision if other than ISO chronology. Suppose a Duration represented by the variable duration. Period period = duration.toPeriod().normalizedStandard(PeriodType.time()); PeriodFormat.getDefault().print(period)) Output is awesome: 1 second and 581 milliseconds, answering the main question ab...