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The first day of the current month in php using date_modify as DateTime object
... This is IMO by far the simplest and most readable way to solve this, if all you need is a string representation of the date.
– Markus Amalthea Magnuson
Aug 17 '12 at 11:23
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Avoid duplicates in INSERT INTO SELECT query in SQL Server
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Not totally true. When you create a unique index, you can set it to "ignore duplicates", in which case SQL Server will ignore any attempts to add a duplicate.
– IamIC
Dec 11 '10 at 8:23
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How to write character & in android strings.xml
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For special character I normally use the Unicode definition, for the '&' for example: \u0026 if I am correct. Here is a nice reference page: http://jrgraphix.net/research/unicode_blocks.php?block=0
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Convert one date format into another in PHP
...he y-m-d-h-i-s format.
PHP 5.3 and up
Use DateTime::createFromFormat. It allows you to specify an exact mask - using the date() syntax - to parse incoming string dates with.
PHP 5.2 and lower
You will have to parse the elements (year, month, day, hour, minute, second) manually using substr() and...
How to get indices of a sorted array in Python
...[0, 1, 2, 4, 3]
enumerate(myList) gives you a list containing tuples of (index, value):
[(0, 1), (1, 2), (2, 3), (3, 100), (4, 5)]
You sort the list by passing it to sorted and specifying a function to extract the sort key (the second element of each tuple; that's what the lambda is for. Finall...
Is PHP's count() function O(1) or O(n) for arrays?
Does count() really count the all the elements of a PHP array, or is this value cached somewhere and just gets retrieved?
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What kinds of patterns could I enforce on the code to make it easier to translate to another program
... are PHP and Python (Python to PHP should be easier to start with), but ideally I would be able to add other languages with (relative) ease. The plan is:
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Execute raw SQL using Doctrine 2
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hey its giving me Call to undefined method Index::getDoctrine() what should i do
– Dexter
Dec 19 '14 at 8:02
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Multi-line strings in PHP
...ng
spanning multiple lines
using heredoc syntax.
$var is replaced automatically.
EOD;
A Nowdoc is like a Heredoc, but it doesn't replace variables.
$str = <<<'EOD'
Example of string
spanning multiple lines
using nowdoc syntax.
$var is NOT replaced in a nowdoc.
EOD;
Beware that the end ...
Do checkbox inputs only post data if they're checked?
... behaviour is the value is only sent if the checkbox is checked. This typically means you need to have a way of remembering what checkboxes you are expecting on the server side since not all the data comes back from the form.
The default value is always "on", this should be consistent across browse...