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What does curly brackets in the `var { … } = …` statements do?
... one is block-level variables:
let allows you to declare variables, limiting its scope to the block, statement, or expression on which it is used. This is unlike the var keyword, which defines a variable globally, or locally to an entire function regardless of block scope.
The second one is ca...
Inversion of Control vs Dependency Injection
According to the paper written by Martin Fowler , inversion of control is the principle where the control flow of a program is inverted: instead of the programmer controlling the flow of a program, the external sources (framework, services, other components) take control of it. It's like we plug so...
Hosting ASP.NET in IIS7 gives Access is denied?
... uses .NET Framework 4.0 (runned by NetworkService) but when browsing the site I get this:
17 Answers
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Can existing virtualenv be upgraded gracefully?
I have a virtualenv created for Python 2.5 and want to "upgrade" it to Python 2.6.
5 Answers
...
Is it possible to reference one CSS rule within another?
...et from another.
You can, however, reuse selectors on multiple rule-sets within a stylesheet and use multiple selectors on a single rule-set (by separating them with a comma).
.opacity, .someDiv {
filter:alpha(opacity=60);
-moz-opacity:0.6;
-khtml-opacity: 0.6;
opacity: 0.6;
}
.r...
Set font-weight using Bootstrap classes
Is there any Twitter Bootstrap class for font-weight: bold and other values of font-weight ?
6 Answers
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Advantages of using prototype, vs defining methods straight in the constructor? [duplicate]
...
Methods that inherit via the prototype chain can be changed universally for all instances, for example:
function Class () {}
Class.prototype.calc = function (a, b) {
return a + b;
}
// Create 2 instances:
var ins1 = new Class(),
ins2...
What is the difference between std::array and std::vector? When do you use one over other? [duplicat
...
std::array is just a class version of the classic C array. That means its size is fixed at compile time and it will be allocated as a single chunk (e.g. taking space on the stack). The advantage it has is slightly better performance because there is no indirection between the object and the ar...
Using jQuery to test if an input has focus
On the front page of a site I am building, several <div> s use the CSS :hover pseudo-class to add a border when the mouse is over them. One of the <div> s contains a <form> which, using jQuery, will keep the border if an input within it has focus. This works perfectly except ...
PHP Warning: PHP Startup: Unable to load dynamic library
...
It means there is an extension=... or zend_extension=... line in one of your php configuration files (php.ini, or another close to it) that is trying to load that extension : ixed.5.2.lin
Unfortunately that file or path does...