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iFrame src change event detection?
...ething like beforeLoad(to activate a loader)
– Andrea_86
Feb 20 '18 at 16:55
As indicated by @stacigh, it will fire th...
How can I check file size in Python?
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You need the st_size property of the object returned by os.stat. You can get it by either using pathlib (Python 3.4+):
>>> from pathlib import Path
>>> Path('somefile.txt').stat()
os.stat_result(st_mode=33188, st_ino=6419...
Java: convert List to a String
... edited Oct 9 '14 at 7:07
200_success
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answered Mar 22 '14 at 12:25
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Format string, integer with leading zeros
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Use the format string "img_%03d.jpg" to get decimal numbers with three digits and leading zeros.
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How to make an unaware datetime timezone aware in python
... 12, 0)
aware = datetime.datetime(2011, 8, 15, 8, 15, 12, 0, pytz.UTC)
now_aware = pytz.utc.localize(unaware)
assert aware == now_aware
For the UTC timezone, it is not really necessary to use localize since there is no daylight savings time calculation to handle:
now_aware = unaware.replace(tzin...
Changing specific text's color using NSMutableAttributedString in Swift
...and end index of the coloured-to-be characters in the string e.g.
var main_string = "Hello World"
var string_to_color = "World"
var range = (main_string as NSString).rangeOfString(string_to_color)
Then you convert to attributed string and use 'add attribute' with NSForegroundColorAttributeName:
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Stack Memory vs Heap Memory [duplicate]
...ember to do so. Running out of heap memory can (will?) result in a std::bad_alloc.
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Is there a naming convention for git repositories?
...rtskapitänspatentausfüllungsassistentenausschreibungsstellenbewerbung."
"_" is harder to type than "-"
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Find duplicate lines in a file and count how many time each line was duplicated?
...cally this is doesnt seem to be the most efficient approach (O(n log n)*avg_line_len where n is number of lines). I'm working on files that are several gigabytes large, so performance is a key issue. I wonder whether there is a tool that does just the counting in a single pass using a prefix tree (i...
What does T&& (double ampersand) mean in C++11?
...his factory function:
template <typename T, typename A1>
std::unique_ptr<T> factory(A1& a1)
{
return std::unique_ptr<T>(new T(a1));
}
If we called factory<foo>(5), the argument will be deduced to be int&, which will not bind to a literal 5, even if foo's constr...