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HTML5: Slider with two inputs possible?
...></script>
Example usage: Creates a slider which goes from 0 to 100, and starts set to 20-80.
HTML:
<div id="slider">
</div>
JS:
var slider = document.getElementById('slider');
noUiSlider.create(slider, {
start: [20, 80],
connect: true,
range: {
'min'...
binning data in python with scipy/numpy
...d easier to use numpy.digitize():
import numpy
data = numpy.random.random(100)
bins = numpy.linspace(0, 1, 10)
digitized = numpy.digitize(data, bins)
bin_means = [data[digitized == i].mean() for i in range(1, len(bins))]
An alternative to this is to use numpy.histogram():
bin_means = (numpy.hist...
How can I create and style a div using JavaScript?
...
var div = document.createElement("div");
div.style.width = "100px";
div.style.height = "100px";
div.style.background = "red";
div.style.color = "white";
div.innerHTML = "Hello";
document.getElementById("main").appendChild(div);
<body>
<div id="main"></div>
...
Initialization of all elements of an array to one default value in C++?
...
Using the syntax that you used,
int array[100] = {-1};
says "set the first element to -1 and the rest to 0" since all omitted elements are set to 0.
In C++, to set them all to -1, you can use something like std::fill_n (from <algorithm>):
std::fill_n(array,...
What does the “yield” keyword do?
...create_atm(self):
... while not self.crisis:
... yield "$100"
>>> hsbc = Bank() # When everything's ok the ATM gives you as much as you want
>>> corner_street_atm = hsbc.create_atm()
>>> print(corner_street_atm.next())
$100
>>> print(corner_stree...
How to use WinForms progress bar?
...oid button1_Click(object sender, EventArgs e)
{
progressBar1.Maximum = 100;
progressBar1.Step = 1;
progressBar1.Value = 0;
backgroundWorker.RunWorkerAsync();
}
private void backgroundWorker_DoWork(object sender, DoWorkEventArgs e)
{
var backgroundWorker = sender as BackgroundWor...
What is the fastest way to send 100,000 HTTP requests in Python?
I am opening a file which has 100,000 URL's. I need to send an HTTP request to each URL and print the status code. I am using Python 2.6, and so far looked at the many confusing ways Python implements threading/concurrency. I have even looked at the python concurrence library, but cannot figure ...
#1071 - Specified key was too long; max key length is 1000 bytes
...Here's a method to find out:
SELECT
ROUND(SUM(LENGTH(`menu_link`)<10)*100/COUNT(`menu_link`),2) AS pct_length_10,
ROUND(SUM(LENGTH(`menu_link`)<20)*100/COUNT(`menu_link`),2) AS pct_length_20,
ROUND(SUM(LENGTH(`menu_link`)<50)*100/COUNT(`menu_link`),2) AS pct_length_50,
ROUND(SUM(LENGTH...
Lua简明教程 - 脚本技术 - 清泛IT论坛,有思想、有深度
...double型,64bits,你不必担心Lua处理浮点数会慢(除非大于100,000,000,000,000),或是会有精度问题。你可以以如下的方式表示数字,0x开头的16进制和C是很像的。num = 1024
num = 3.0
num = 3.1416
num = 314.16e-2
num = 0.31416E1
num = 0xff
num = 0x56复制...
Replace console output in Python
...ogress_x = 0
def progress(x):
global progress_x
x = int(x * 40 // 100)
sys.stdout.write("#" * (x - progress_x))
sys.stdout.flush()
progress_x = x
def endProgress():
sys.stdout.write("#" * (40 - progress_x) + "]\n")
sys.stdout.flush()
You call startProgress passing the...