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Check a collection size with JSTL
...lso checks for null.
– Joel
Apr 21 '10 at 19:27
I agree with Mark here. Why import more cruft into your page for one ...
How to initialize a two-dimensional array in Python?
... \
for i in range (0, 10): \
new = [] \ can be replaced } this too
for j in range (0, 10): } with a list /
new.append(foo) / comprehension /
twod_li...
What's the difference between String(value) vs value.toString()
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Incinirate
941010 bronze badges
answered Oct 15 '10 at 18:59
Christian C. SalvadóChristian C. Salvadó
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Best way to detect Mac OS X or Windows computers with JavaScript or jQuery
...m if you put it on the most common side, the right.
setTimeout(test, 1000); //delay for demonstration
function test() {
var mac = /(Mac|iPhone|iPod|iPad)/i.test(navigator.platform);
if (mac) {
document.getElementById('close').classList.add("left");
}
}
#window {
posit...
python's re: return True if string contains regex pattern
...;>> word = 'ba|'; regexp.search(word) <_sre.SRE_Match object at 0x101030b28> . You can drop all the pipe symbols.
– radtek
Jan 27 '17 at 14:51
add a comment
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Define all functions in one .R file, call them from another .R file. How, if possible?
...
answered Nov 25 '12 at 10:57
A_KA_K
2,08122 gold badges1111 silver badges1010 bronze badges
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Why aren't programs written in Assembly more often? [closed]
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share
edited Apr 21 '10 at 19:36
community wiki
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What's the difference between eval, exec, and compile?
...ass a reference to exec:
>>> call_later(exec, 'print(42)', delay=1000)
File "<stdin>", line 1
call_later(exec, 'print(42)', delay=1000)
^
SyntaxError: invalid syntax
Which a pattern that someone might actually have used, though unlikely;
Or use it in a lis...
How to create a temporary directory?
... as well.
– Mathiasdm
Jan 21 '16 at 10:59
5
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Index all *except* one item in python
...p. For example, to make b a copy of a without the 3rd element:
a = range(10)[::-1] # [9, 8, 7, 6, 5, 4, 3, 2, 1, 0]
b = [x for i,x in enumerate(a) if i!=3] # [9, 8, 7, 5, 4, 3, 2, 1, 0]
This is very general, and can be used with all iterables, including numpy arrays. If ...