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json_encode sparse PHP array as JSON array, not JSON object
I have the following array in PHP:
4 Answers
4
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How to do a GitHub pull request
...y on Github's website.
$ git clone https://github.com/tim-peterson/dwolla-php.git
$ cd dwolla-php
$ git remote add upstream https://github.com/Dwolla/dwolla-php.git
$ git fetch upstream
// make your changes to this newly cloned, local repo
$ git add .
$ git commit -m '1st commit to dwolla'
$ git p...
Regex to check whether a string contains only numbers [duplicate]
...'d'. Try running '/^\d+$/' === '/^d+$/' in your JavaScript console. You need to double-escape when embedding a RegExp in a string: eval('/^\\d+$/')
– Mike Samuel
Oct 18 '13 at 4:49
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How to save a PNG image server-side, from a base64 data string
...rings that this tool generates, into actual PNG files on the server, using PHP.
15 Answers
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What does $$ (dollar dollar or double dollar) mean in PHP?
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It's a variable's variable.
<?php
$a = 'hello';
$$a = 'world'; // now makes $hello a variable that holds 'world'
echo "$a ${$a}"; // "hello world"
echo "$a $hello"; // "hello world"
?>
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Tips for using Vim as a Java IDE? [closed]
...pse is Vrapper. It has most of Vim key bindings and unlike viPlugin it's free.
– n1te
Mar 31 '13 at 14:48
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method of iterating over sqlalchemy model's defined columns?
I've been trying to figure out how to iterate over the list of columns defined in a SQLAlchemy model. I want it for writing some serialization and copy methods to a couple of models. I can't just iterate over the obj.__dict__ since it contains a lot of SA specific items.
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How to shrink the .git folder
...inus points out, that --aggressive will not reuse (good) deltas – which seem to no exist in this question, because the repository is huge. going the repack way will actually take a lot longer. git gc --aggressive calls repack with a window size of 250 (cf. manpage) and a depth of 250 (cf. source c...
Convert DateTime to String PHP
I have already researched a lot of site on how can I convert PHP DateTime object to String. I always see "String to DateTime" and not "DateTime to String"
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Best way to clear a PHP array's values
...o I wrote it that way because of the authors question "Best way to clear a PHP array's values". It sais 'clear', not 'new instance'. Using unset will clear $foo from the symbol table. I we are talking about very large tables I'd probably recommend $foo = null; unset($foo); since that also would clea...