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json_encode sparse PHP array as JSON array, not JSON object
...erving this behaviour because your array is not sequential - it has keys 0 and 2, but doesn't have 1 as a key.
Just having numeric indexes isn't enough. json_encode will only encode your PHP array as a JSON array if your PHP array is sequential - that is, if its keys are 0, 1, 2, 3, ...
You can re...
What is WCF RIA services?
...light) objects that take care of the communication with the server for you and provide client-side validation.
The main object inside a RIA service is a DomainService, usually a LinqToEntitiesDomainService that is connected to a LinqToEntities model.
The key thing to remember in RIA services is th...
How to install an npm package from GitHub directly?
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Because https://github.com/visionmedia/express is the URL of a web page and not an npm module. Use this flavor:
git+https://github.com/visionmedia/express.git
or this flavor if you need SSH:
git+ssh://git@github.com/visionmedia/express.git
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How do I compare strings in Java?
....
However, I ran into a bug, changed one of them into .equals() instead, and it fixed the bug.
23 Answers
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Remove all multiple spaces in Javascript and replace with single space [duplicate]
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i'm reading data in from a txt file (via AJAX), and @InfinitiesLoop regex worked fine but Josiah's didn't
– Jeff
Apr 23 '12 at 13:48
2
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Print newline in PHP in single quotes
I try to use single quotes as much as possible and I've noticed that I can't use \n in single quotes. I know I can just enter a newline literally by pressing return, but that screws up the indentation of my code.
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Context switches much slower in new linux kernels
...e intel_idle driver ignores the user's BIOS configuration for the C-states and dances to its own tune. In other words, even if you completely disable all C states in your PC's (or server's) BIOS, this driver will still force them on during periods of brief inactivity, which are almost always happeni...
How to redirect to previous page in Ruby On Rails?
I have a page that lists all of the projects that has sortable headers and pagination.
7 Answers
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how do i remove a comma off the end of a string?
...ine use the simpler:
$string = rtrim($string, ',');
The rtrim function (and corresponding ltrim for left trim) is very useful as you can specify a range of characters to remove, i.e. to remove commas and trailing whitespace you would write:
$string = rtrim($string, ", \t\n");
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How to assign colors to categorical variables in ggplot2 that have stable mapping?
...ata frames can become tedious if they are being pulled from separate files and not all factor levels appear in each file.
One way to address this is to create a custom manual colour scale as follows:
#Some test data
dat <- data.frame(x=runif(10),y=runif(10),
grp = rep(LETTERS[1:5],each ...