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How can I debug javascript on Android?
...ered Oct 13 '11 at 7:20
Mads MobækMads Mobæk
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On design patterns: When should I use the singleton?
The glorified global variable - becomes a gloried global class. Some say breaking object-oriented design.
19 Answers
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How to convert a string of bytes into an int?
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@Naib, for os.urandom(4) bytes **1.4 µs**(struct) vs **2.3 µs**(int.from_bytes) on my cpu. python 3.5.2
– eri
Dec 26 '16 at 12:32
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HTML - how can I show tooltip ONLY when ellipsis is activated
... answered Oct 29 '15 at 19:11
SnæbjørnSnæbjørn
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How to remove all white space from the beginning or end of a string?
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⁺¹ for the MS definition of whitespace. I met a weird behavior that .TrimEnd() doesn't work (for non-breaking space character), but in the end is just that the character not listed in documentation.
– Hi...
Encode html entities in javascript
...t as following:
var str = "Test´†®¥¨©˙∫ø…ˆƒ∆÷∑™ƒ∆æø𣨠ƒ™en tést".toHtmlEntities();
console.log("Entities:", str);
console.log("String:", String.fromHtmlEntities(str));
Output in console:
Entities: Dit is&...
Using numpy to build an array of all combinations of two arrays
...%timeit cartesian(([1, 2, 3], [4, 5], [6, 7]))
10000 loops, best of 3: 135 µs per loop
In [114]:
cartesian(([1, 2, 3], [4, 5], [6, 7]))
Out[114]:
array([[1, 4, 6],
[1, 4, 7],
[1, 5, 6],
[1, 5, 7],
[2, 4, 6],
[2, 4, 7],
[2, 5, 6],
[2, 5, 7],
...
How do you reverse a string in place in C or C++?
...it, nor the patience to use a hexeditor)
Examples:
$ ./strrev Räksmörgås ░▒▓○◔◑◕●
░▒▓○◔◑◕● ●◕◑◔○▓▒░
Räksmörgås sågrömskäR
./strrev verrts/.
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How to calculate a logistic sigmoid function in Python?
...op
In [7]: %timeit -r 1 logistic.cdf(0.458)
10000 loops, best of 1: 72.2 µs per loop
In [8]: %timeit -r 1 expit(0.458)
100000 loops, best of 1: 2.98 µs per loop
As expected logistic.cdf is (much) slower than expit. expit is still slower than the python sigmoid function when called with a sing...
How to make my custom type to work with “range-based for loops”?
...something that acts like an iterator, in the same namespace as your type X.¹
And similar for const variations. This will work both on compilers that implement the defect report changes, and compilers that do not.
The objects returned do not have to actually be iterators. The for(:) loop, unlike...