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Get array of object's keys
...keys are unordered).
This is an ES5 feature. This means it works in all modern browsers but will not work in legacy browsers.
The ES5-shim has a implementation of Object.keys you can steal
share
|
...
Getting raw SQL query string from PDO prepared statements
Is there a way to get the raw SQL string executed when calling PDOStatement::execute() on a prepared statement? For debugging purposes this would be extremely useful.
...
Running V8 Javascript Engine Standalone
...> ./v8-shell
V8 version 2.0.2
> var x = 10;
> x
10
> function foo(x) { return x * x; }
> foo
function foo(x) { return x * x; }
> quit()
Executing Javascript from the command line:
$> ./v8-shell -e 'print("10*10 = " + 10*10)'
10*10 = 100
Many more features are documented i...
What is the difference between 'my' and 'our' in Perl?
...
On the other hand, our variables are package variables, and thus automatically:
global variables
definitely not private
not necessarily new
can be accessed outside the package (or lexical scope) with the
qualified namespace, as $package_name::variable.
Declaring a variable with our allows you...
Swift: Pass array by reference?
...
@Boon Array is still semantically copied/passed-by-value, but just optimised to use COW.
– eonil
Oct 14 '14 at 3:38
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Common programming mistakes for Clojure developers to avoid [closed]
...ix which used leading zeros to maintain proper rows and columns. Mathematically this is correct, since leading zero obviously don't alter the underlying value. Attempts to define a var with this matrix, however, would fail mysteriously with:
java.lang.NumberFormatException: Invalid number: 08
whi...
JavaScript chop/slice/trim off last character in string
...viously using the substring version. Thanks!
– Matt Ball
Apr 13 '10 at 14:09
33
forgive me if I'm...
Error message Strict standards: Non-static method should not be called statically in php
...
to
public static function getInstanceByName($name=''){
if you want to call them statically.
Note that static methods (and Singletons) are death to testability.
Also note that you are doing way too much work in the constructor, especially all that querying shouldn't be in there. All your const...
jQuery Determine if a matched class has a given id
...he selector by combining multiple selectors. For instance, we could target all elements with a given id, that also have a particular class:
$("#foo.bar"); // Matches <div id="foo" class="bar">
This should look similar to something you'd write in CSS. Note that it won't apply to all #foo ele...
In Java, is there a way to write a string literal without having to escape quotes?
...ing literal with a lot of quotation marks inside it. You could escape them all, but it's a pain, and difficult to read.
8 A...