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Is there a simple way to convert C++ enum to string?
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@ikku100 you are incorrect about #define X(a, b) #b. This is only necessary if the definition looks like this X(Red, red), rather than the definition shown in the answer, X(Red, "red")
– learnvst
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Best way to store a key=>value array in JavaScript?
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That's just what a JavaScript object is:
var myArray = {id1: 100, id2: 200, "tag with spaces": 300};
myArray.id3 = 400;
myArray["id4"] = 500;
You can loop through it using for..in loop:
for (var key in myArray) {
console.log("key " + key + " has value " + myArray[key]);
}
See also:...
Formatting floats without trailing zeros
...fers from precision loss when using normalize().
>>> Decimal('0.21000000000000000000000000006').normalize()
Decimal('0.2100000000000000000000000001')
>>> Decimal('0.21000000000000000000000000006')
Decimal('0.21000000000000000000000000006')
Most importantly, I would still be conv...
Filter Java Stream to 1 and only 1 element
...olution? What difference would it make whether the resulting list was 2 or 100? If it's greater than 1.
– ryvantage
Mar 28 '14 at 18:31
20
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Is there a difference between using a dict literal and a dict constructor?
...LL_FUNCTION:
> python2.7 -m timeit "d = dict(a=1, b=2, c=3, d=4, e=5)"
1000000 loops, best of 3: 0.958 usec per loop
> python2.7 -m timeit "d = {'a':1, 'b':2, 'c':3, 'd':4, 'e':5}"
1000000 loops, best of 3: 0.479 usec per loop
> python3.2 -m timeit "d = dict(a=1, b=2, c=3, d=4, e=5)"
100...
“Connection for controluser as defined in your configuration failed” with phpMyAdmin in XAMPP
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This is an excellent answer (the 100th + from me;)). However, I didn't find the examples directory where pointed in step 4. Instead it was here: /usr/share/doc/phpmyadmin/examples and there I found the compressed sql file: create_tables.sql.gz.
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How do I find the location of my Python site-packages directory?
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100
For Ubuntu,
python -c "from distutils.sysconfig import get_python_lib; print get_python_lib()...
How to remove illegal characters from path and filenames?
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I tested five methods from this question (timed loop of 100,000) and this method is the fastest one. The regular expression took 2nd place, and was 25% slower than this method.
– Brain2000
Jul 15 '16 at 15:19
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Save ArrayList to SharedPreferences
...references with unused old values. For example a list might have a size of 100 on a run, and then a size of 50. The 50 old entries will remain on the preferences. One way is setting a MAX value and clearing anything up to that.
– Iraklis
Feb 17 '13 at 12:17
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When to use -retainCount?
...unt as high as the larger number, assuming you incremented the retainCount 100,000,000 times per second.
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