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Detect iPad users using jQuery?
... edited May 23 '17 at 11:47
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answered Jan 6 '11 at 17:17
Rion WilliamsRion Wi...
How to store a command in a variable in a shell script?
I would like to store a command to use at a later period in a variable (not the output of the command, but the command itself)
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isset() and empty() - what to use
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From http://php.net/manual/en/function.empty.php
As mentioned in the comments the lack of warning is also important with empty()
PHP Manual says
empty() is the opposite of (boolean) var, except that no warning is
generated when the variable is not set.
Regarding isset
PHP Manual says...
How to configure postgresql for the first time?
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The other answers were not completely satisfying to me. Here's what worked for postgresql-9.1 on Xubuntu 12.04.1 LTS.
Connect to the default database with user postgres:
sudo -u postgres psql template1
Set the password for user postgres, then ex...
Use of .apply() with 'new' operator. Is this possible?
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Font size in CSS - % or em?
..., was shown to provide
accurate, resizable text across all
browsers in common use today. This is
a technique you can put in your kit
bag and use as a best practice for
sizing text in CSS that satisfies both
designers and readers.
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Add UIPickerView & a Button in Action sheet - How?
... designed to be subclassed, nor should you add views to its hierarchy
I recommend against trying to customize the contents of an ActionSheet, as it can lead to serious invalid context errors in iOS 7. I just spent a few hours working through this problem and ultimately decided to take a different a...
Email validation using jQuery
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With new top level domains becoming more common this regex may need modifying .systems and .poker etc are all valid TLDs now but would fail the regex check
– Liath
Sep 5 '14 at 7:35
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What is the difference between tree depth and height?
... node having width 1, and an empty graph having width 0. mathworld.wolfram.com/GraphDiameter.html
– Daniel A.A. Pelsmaeker
Nov 26 '18 at 10:48
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Python dictionary from an object's fields
...t; a.__dict__
{'c': 2, 'b': 1}
A better approach (suggested by robert in comments) is the builtin vars function:
>>> vars(a)
{'c': 2, 'b': 1}
Alternatively, depending on what you want to do, it might be nice to inherit from dict. Then your class is already a dictionary, and if you want...