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How to wait for the 'end' of 'resize' event and only then perform an action?
...meout() and clearTimeout()
function resizedw(){
// Haven't resized in 100ms!
}
var doit;
window.onresize = function(){
clearTimeout(doit);
doit = setTimeout(resizedw, 100);
};
Code example on jsfiddle.
share
...
Split List into Sublists with LINQ
...ng:
foreach (var item in Enumerable.Range(1, int.MaxValue).Chunk(8).Skip(100000).First())
{
Console.WriteLine(item);
}
// wait forever
To overcome this we can try Cameron's approach, which passes the above test in flying colors as it only walks the enumeration once.
Trouble is that it has ...
multiple prints on the same line in Python
...char to go back
for i in range(101): # for 0 to 100
s = str(i) + '%' # string for output
sys.stdout.write(s) # just print
sys.stdout.flush() # needed for flush when using \x08
backspace(len(s))...
Java: random long number in 0
...extLong(long bound) method.
long v = ThreadLocalRandom.current().nextLong(100);
It also has nextLong(long origin, long bound) if you need an origin other than 0. Pass the origin (inclusive) and the bound (exclusive).
long v = ThreadLocalRandom.current().nextLong(10,100); // For 2-digit integers,...
How to read a file line-by-line into a list?
...octis Skytower
18k1414 gold badges7070 silver badges100100 bronze badges
31
...
mfc里面的140种颜色宏 - C/C++ - 清泛网 - 专注C/C++及内核技术
...225) // 皇家蓝 (宝蓝)
#define CLR_CORNFLOWERBLUE RGB(100, 149, 237) // 矢车菊蓝
#define CLR_LIGHTSTEELBLUE RGB(176, 196, 222) // 亮钢蓝
#define CLR_LIGHTSLATEGRAY RGB(119, 136, 153) // 亮石板灰
#define CLR_SLATEGRAY ...
initialize a numpy array
...iter() might be slower than np.array(). timeit("np.array(i for i in xrange(100))", setup="import numpy as np", number = 10000) -> 0.02539992332458496, versus timeit("np.fromiter((i for i in xrange(100)), dtype=int)", setup="import numpy as np", number = 10000) -> 0.13351011276245117
...
Clear a terminal screen for real
...n
\033 == \x1B == 27 == ESC
So this becomes <ESC>c which is the VT100 escape code for resetting the terminal. Here is some more information on terminal escape codes.
Edit
Here are a few other ways of doing it...
printf "\ec" #\e is ESC in bash
echo -en "\ec" #thanks @Jonathon Reinhart.
#...
What's the better (cleaner) way to ignore output in PowerShell? [closed]
...d some tests of the four options that I know about.
Measure-Command {$(1..1000) | Out-Null}
TotalMilliseconds : 76.211
Measure-Command {[Void]$(1..1000)}
TotalMilliseconds : 0.217
Measure-Command {$(1..1000) > $null}
TotalMilliseconds : 0.2478
Measure-Command {$null = $(1..1000)}
TotalMil...
What's the idiomatic syntax for prepending to a short python list?
...performance tests of proposed methods:
Python 2.7.8
In [1]: %timeit ([1]*1000000).insert(0, 0)
100 loops, best of 3: 4.62 ms per loop
In [2]: %timeit ([1]*1000000)[0:0] = [0]
100 loops, best of 3: 4.55 ms per loop
In [3]: %timeit [0] + [1]*1000000
100 loops, best of 3: 8.04 ms per loop
As you ...