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What is the command to list the available avdnames
...mulators that exist on this computer
DEVICES=( $(emulator -list-avds 2>&1 ) )
# Display list of emulators
echo "Available Emulators
----------------------------------------"
N=1
for DEVICE in ${DEVICES[@]}
do
echo "$N) $DEVICE"
let N=$N+1
done
# Request an emulator to start
read -p "
Ch...
In Python, using argparse, allow only positive integers
...
This should be possible utilizing type. You'll still need to define an actual method that decides this for you:
def check_positive(value):
ivalue = int(value)
if ivalue <= 0:
raise argparse.ArgumentTypeError("%s is an invalid positive int value" % value)
return iv...
json_decode to array
...
Just in case you are working on php less then 5.2 you can use this resourse.
http://techblog.willshouse.com/2009/06/12/using-json_encode-and-json_decode-in-php4/
http://mike.teczno.com/JSON/JSON.phps
...
How do I clone into a non-empty directory?
...xisting files to it. After this I ran git remote add origin '<url>' && git pull origin master et voíla, B is "cloned" into A without a single hiccup.
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...
Regex to validate password strength
...cks using positive look ahead assertions:
^(?=.*[A-Z].*[A-Z])(?=.*[!@#$&*])(?=.*[0-9].*[0-9])(?=.*[a-z].*[a-z].*[a-z]).{8}$
Rubular link
Explanation:
^ Start anchor
(?=.*[A-Z].*[A-Z]) Ensure string has two uppercase letters.
(?=.*[!@#$&*]) Ens...
OOP vs Functional Programming vs Procedural [closed]
..., but I really can't see the big difference between it and procedural C or PHP, could you give some example?
– Leonel
Apr 1 '12 at 2:39
...
Why not use tables for layout in HTML? [closed]
...sy to resolve with master pages or user controls in .net, include files in php or classic asp, etc ... Anybody who copies the company layout like this deserves an a** kicking! ;-)
– John MacIntyre
May 20 '09 at 14:30
...
A monad is just a monoid in the category of endofunctors, what's the problem?
...lete and Mostly Wrong History of Programming Languages, in which he fictionally attributes it to Philip Wadler.
The original quote is from Saunders Mac Lane in Categories for the Working Mathematician, one of the foundational texts of Category Theory. Here it is in context, which is probably the bes...
How to nicely format floating numbers to String without unnecessary decimal 0?
...lution for you, it is the right solution for 99%+ of those who find this Q&A: usually, the final few digits of a double are "noise", that clutter the output, interfering with readability. Hence the programmer determines how many digits are beneficial to the person reading the output, and specifi...
YYYY-MM-DD format date in shell script
...$(date) in my bash shell script, however, I want the date in YYYY-MM-DD format.
How do I get this?
13 Answers
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