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Max length for client ip address [duplicate]
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273
For IPv4, you could get away with storing the 4 raw bytes of the IP address (each of the numbe...
Detect IF hovering over element with jQuery
...(":hover"); // returns true or false
Example: http://jsfiddle.net/Meligy/2kyaJ/3/
(This only works when the selector matches ONE element max. See Edit 3 for more)
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Edit 1 (June 29, 2013): (Applicable to jQuery 1.9.x only, as it works with 1.10+, see next Edit 2)
This answer was the best solut...
Get fragment (value after hash '#') from a URL in php [closed]
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122
If you want to get the value after the hash mark or anchor as shown in a user's browser: This i...
How can mixed data types (int, float, char, etc) be stored in an array?
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244
You can make the array elements a discriminated union, aka tagged union.
struct {
enum { ...
How to filter SQL results in a has-many-through relation
...greSQL 9.0 on Debian Squeeze with decent RAM and settings.
6.000 students, 24.000 club memberships (data copied from a similar database with real life data.)
Slight diversion from the naming schema in the question: student.id is student.stud_id and club.id is club.club_id here.
I named the queries a...
json_encode sparse PHP array as JSON array, not JSON object
...ng 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 reinde...
Command line CSV viewer? [closed]
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452
You can also use this:
column -s, -t < somefile.csv | less -#2 -N -S
column is a standard ...
Do the JSON keys have to be surrounded by quotes?
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edited Jun 29 '11 at 6:32
answered Jun 4 '09 at 9:26
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How to retrieve the first word of the output of a command in bash?
I have a command, for example: echo "word1 word2" . I want to put a pipe ( | ) and get word1 from the command.
12 Answers
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How can I access “static” class variables within class methods in Python?
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edited Dec 2 '12 at 7:34
Pavel Strakhov
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