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Which is the preferred way to concatenate a string in Python?
...e timeit module:
a = a + b:
0.11338996887207031
a += b:
0.11040496826171875
However, those who recommend having lists and appending to them and then joining those lists, do so because appending a string to a list is presumably very fast compared to extending a string. And this can be true, in som...
How to get a string after a specific substring?
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edited Jun 21 '17 at 16:25
Don Kirkby
37.7k1717 gold badges163163 silver badges235235 bronze badges
ans...
What's the Android ADB shell “dumpsys” tool and what are its benefits?
...get output:
Current Battery Service state:
AC powered: false
AC capacity: 500000
USB powered: true
status: 5
health: 2
present: true
level: 100
scale: 100
voltage:4201
temperature: 271 <---------- Battery temperature! %)
technology: Li-poly <---------- Battery technology! %)
2)Getting wifi ...
How can I convert byte size into a human-readable format in Java?
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25 Answers
25
Active
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How to remove certain characters from a string in C++?
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string str("(555) 555-5555");
char chars[] = "()-";
for (unsigned int i = 0; i < strlen(chars); ++i)
{
// you need include <algorithm> to use general algorithms like std::remove()
str.erase (std::remove(str...
Adding rounded corner and drop shadow to UICollectionViewCell
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15 Answers
15
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Best way to check if a URL is valid
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305
You can use a native Filter Validator
filter_var($url, FILTER_VALIDATE_URL);
Validates val...
ld cannot find an existing library
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158
The problem is the linker is looking for libmagic.so but you only have libmagic.so.1
A quick h...
ViewPager.setOffscreenPageLimit(0) doesn't work as expected
...le somehow?
– HGPB
Jul 10 '13 at 16:59
14
@Haraldo: "Surely this is possible somehow?" -- not wit...
javascript: Clear all timeouts?
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150
They are not in the window object, but they have ids, which (afaik) are consecutive integers.
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