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How to find whether or not a variable is empty in Bash
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Testing if jQueryUI has loaded
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edited Oct 18 '10 at 0:03
Peter Ajtai
52.9k1111 gold badges117117 silver badges138138 bronze badges
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Compare if BigDecimal is greater than zero
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answered Nov 12 '10 at 12:21
Jon SkeetJon Skeet
1210k772772 gold badges85588558 silver badges88218821 bronze badges
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Replace values in list using Python [duplicate]
...but it doesn't actually save time:
items = [0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10]
for index, item in enumerate(items):
if not (item % 2):
items[index] = None
Here are (Python 3.6.3) timings demonstrating the non-timesave:
In [1]: %%timeit
...: items = [0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10...
How do I detect IE 8 with jQuery?
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answered Feb 4 '10 at 18:56
AndiDogAndiDog
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std::next_permutation Implementation Explanation
...by the smallest amount". For example when counting we don't count 1, 2, 3, 10, ... because there are still 4, 5, ... in between and although 10 is larger than 3, there are missing numbers which can be gotten by increasing 3 by a smaller amount. In the example above we see that 1 stays as the first n...
How to make good reproducible pandas examples
...m.seed so we have the exact same frame): df = pd.DataFrame(np.random.randn(100000000, 10)). Saying that, "make this code fast for me" is not strictly on topic for the site...
write out the outcome you desire (similarly to above)
In [3]: iwantthis
Out[3]:
A B
0 1 5
1 4 6
Explain what the ...
Detect Windows version in .net
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| Windows 98 | Win32Windows | 4 | 10 |
| Windows Me | Win32Windows | 4 | 90 |
| Windows NT 4.0 | Win32NT | 4 | 0 |
| Windows 2000 | Win32NT | 5 ...
Repeat Character N Times
...less you need to support older browsers, you can simply write:
"a".repeat(10)
Before repeat, we used this hack:
Array(11).join("a") // create string with 10 a's: "aaaaaaaaaa"
(Note that an array of length 11 gets you only 10 "a"s, since Array.join puts the argument between the array elements.)...
How to pass optional arguments to a method in C++?
...ng_else();
}
you can call myfunc in both ways and both are valid
myfunc(10); // Mode will be set to default 0
myfunc(10, 1); // Mode will be set to 1
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