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How to remove RVM (Ruby Version Manager) from my system
...mong other things.
You may also have an /etc/rvmrc file, or one in your home directory ~/.rvmrc that may need to be removed as well.
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How to check if a variable is an integer in JavaScript?
... this counts NaN as an integer. also performs worse against my method. jsperf.com/numbers-and-integers
– Blake Regalia
Jan 31 '13 at 23:54
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How to find my Subversion server version number?
...k to the repository on the web and on the bottom of the page it will say something like:
"Powered by Subversion version 1.5.2 (r32768)."
From the command line: <insert curl, grep oneliner here>
If not displayed, view source of the page
<svn version="1.6.13 (r1002816)" href="http://subver...
Checking if array is multidimensional or not?
...is no you can't do it without at least looping implicitly if the 'second dimension' could be anywhere. If it has to be in the first item, you'd just do
is_array($arr[0]);
But, the most efficient general way I could find is to use a foreach loop on the array, shortcircuiting whenever a hit is fou...
Sorting list based on values from another list?
...on the zip using sorted().
using a list comprehension extract the first elements of each pair from the sorted, zipped list.
For more information on how to set\use the key parameter as well as the sorted function in general, take a look at this.
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What datatype to use when storing latitude and longitude data in SQL databases? [duplicate]
...latitudes use: Decimal(8,6)
If you're not used to precision and scale parameters, here's a format string visual:
###.###### and ##.######
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Activity has leaked ServiceConnection @438030a8 that was original
...ion. The apps need to bind to this service in order to send/receive telnet messages.
10 Answers
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APT command line interface-like yes/no input?
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As you mentioned, the easiest way is to use raw_input() (or simply input() for Python 3). There is no built-in way to do this. From Recipe 577058:
import sys
def query_yes_no(question, default="yes"):
"""Ask a yes/no question ...
Using CSS td width absolute, position
... table. You can get around this easily just by having a display: block element inside of the table cell itself whose width you specify, e.g
<td><div style="width: 300px;">wide</div></td>
This shouldn't make much of a difference if the <table> itself is position: fix...
How to validate a url in Python? (Malformed or not)
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This one doesn't seem to work with username:password@example.com style URLs
– Adam Baxter
Aug 15 '15 at 19:31
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