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Assigning a variable NaN in python without numpy
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170
Yes -- use math.nan.
>>> from math import nan
>>> print(nan)
nan
>>>...
Check whether a string matches a regex in JS
... regex.test() if all you want is a boolean result:
console.log(/^([a-z0-9]{5,})$/.test('abc1')); // false
console.log(/^([a-z0-9]{5,})$/.test('abc12')); // true
console.log(/^([a-z0-9]{5,})$/.test('abc123')); // true
...and you could remove the () from your regexp since you've no n...
Changing the resolution of a VNC session in linux [closed]
I use VNC to connect to a Linux workstation at work. At work I have a 20" monitor that runs at 1600x1200, while at home I use my laptop with its resolution of 1440x900.
If I set the vncserver to run at 1440x900 I miss out on a lot of space on my monitor, whereas if I set it to run at 1600x1200 it d...
How can I update my ADT in Eclipse?
... name.
It will list the updates available- which should ideally be adt 20.xx
Eclipse will restart and hopefully everything should work fine for you.
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SQL SELECT WHERE field contains words
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mvpmvp
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What does it mean in shell when we put a command inside dollar sign and parentheses: $(command)
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– Jonathan Leffler
Aug 1 '13 at 4:03
7
Technically, $(echo foo) creates a command substitution,...
CSS - How to Style a Selected Radio Buttons Label?
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303
.radio-toolbar input[type="radio"] {
display: none;
}
.radio-toolbar label {
disp...
Can't resize UIView in IB
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edited Jul 6 '09 at 15:50
answered Jul 6 '09 at 15:44
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How to avoid warning when introducing NAs by coercion
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answered Feb 20 '13 at 16:38
AndrieAndrie
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Should I use multiplication or division?
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Python:
time python -c 'for i in xrange(int(1e8)): t=12341234234.234 / 2.0'
real 0m26.676s
user 0m25.154s
sys 0m0.076s
time python -c 'for i in xrange(int(1e8)): t=12341234234.234 * 0.5'
real 0m17.932s
user 0m16.481s
sys 0m0.048s
multiplication is 33% faster
Lua:
time lua ...