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How do I copy a file in Python?
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I am trying to randomly copy 100k files from 1 million files. copyfile is considerably faster than copy2
– Vijay
May 7 '14 at 8:31
4
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Detect a finger swipe through JavaScript on the iPhone and Android
... are optional).
<div data-swipe-threshold="10"
data-swipe-timeout="1000"
data-swipe-ignore="false">
Swiper, get swiping!
</div>
To set defaults application wide, set config attributes on topmost element:
<body data-swipe-threshold="100" data-swipe-timeout="250">
...
Tricky Google interview question
... 1 2 4 8 16 32
1| 5 10 20 40 80 160
2| 25 50 100 200 400 800
3| 125 250 500 1000 2000 ...
4| 625 1250 2500 5000 ...
j on the vertical
what you need to do is 'walk' this matrix, starting at (0,0). You also need to keep track of what your possible next moves are. ...
Stopping python using ctrl+c
...port win_ctrl_c
# do something that will block
def work():
time.sleep(10000)
t = threading.Thread(target=work)
t.daemon = True
t.start()
#install handler
install_handler()
# now block
t.join()
#Ctrl+C works now!
Solution 3: Polling method
I don't prefer or recommend this method be...
Why do Twitter Bootstrap tables always have 100% width?
...ootstrap 4 has some nice helper classes for width like w-25, w-50, w-75, w-100, and w-auto. This will make the table 50% width:
<table class="w-50"></table>
Here's the doc: https://getbootstrap.com/docs/4.0/utilities/sizing/
...
JavaScript + Unicode regexes
...C0-\u0EC4\u0EC6\u0EDC-\u0EDF\u0F00\u0F40-\u0F47\u0F49-\u0F6C\u0F88-\u0F8C\u1000-\u102A\u103F\u1050-\u1055\u105A-\u105D\u1061\u1065\u1066\u106E-\u1070\u1075-\u1081\u108E\u10A0-\u10C5\u10C7\u10CD\u10D0-\u10FA\u10FC-\u1248\u124A-\u124D\u1250-\u1256\u1258\u125A-\u125D\u1260-\u1288\u128A-\u128D\u1290-\u1...
MongoDB: Is it possible to make a case-insensitive query?
...
I recently tested with mongodb 3.0.4 with 100,000 records with a name field indexed. The case insensitive regex query takes over 200ms where casesensitive regex takes about 16ms.(Both cases include regex start with '^')
– dCoder
...
Why does “while(true)” without “Thread.sleep” cause 100% CPU usage on Linux but not on Windows?
... Let's say you have 4 cores:
With IRIX mode on, 1 fully utilized core is 100% and 4 cores are 400%.
With IRIX mode off, 1 fully utilized core is 25% and 4 cores are 100%.
This means that by default, top on Linux will show an infinite loop as ~100% and Windows will show it as ~25%, and it means...
泡在Stack Overflow答题30天 - 创意 - 清泛网 - 专注C/C++及内核技术
...这个作为我的目标，通过30天不间断地浏览网站并且达到1000威望值。但我将只回答问题而不提问。
完成情况
正如下表所示，我只能算是勉强完成目标。
尽管我发现在访问量达到200的时候就会有100点威望值的福利作为回报，但...
List passed by ref - help me explain this behaviour
... List<int>();
public void TestMethod()
{
myList.Add(100);
myList.Add(50);
myList.Add(10);
ChangeList();
foreach (int i in myList)
{
Console.WriteLine(i);
}
}
private void ChangeList()
{
myList.S...