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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'...
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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...
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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> ...
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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,...
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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...
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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...
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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 ...
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#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...
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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...
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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...