大约有 5,100 项符合查询结果(耗时:0.0217秒) [XML]

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Using jquery to get element's position relative to viewport

... @return {array} An array containing both X and Y positions as a number * ranging from 0 (under/right of viewport) to 1 (above/left of viewport) */ function visibility(obj) { var winw = jQuery(window).width(), winh = jQuery(window).height(), elw = obj.width(), elh = obj.height(), ...
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Fastest way to tell if two files have the same contents in Unix/Linux?

...nt hashes. The reality is though, that the hash space is finite, while the range of possible files to hash is not - eventually you will have a collision. In cryptology it's called the Birthday Attack. – will Feb 18 '16 at 9:51 ...
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Java NIO FileChannel versus FileOutputstream performance / usefulness

...at java.nio is faster than java.io. Solidly faster. Like in the >250% range. That said, I am eliminating obvious bottlenecks, which I suggest your micro-benchmark might suffer from. Potential areas for investigating: The buffer size. The algorithm you basically have is copy from disk to b...
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How to import an excel file in to a MySQL database

...sqlizer.io. You upload an XLSX file to it, enter a sheet name and cell range, and it will generate a CREATE TABLE statement and a bunch of INSERT statements to import all your data into a MySQL database. (Disclaimer: I help run SQLizer) ...
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Correct way to convert size in bytes to KB, MB, GB in JavaScript

... decided to write a function that will solve each of these cases using the range of currently accepted units of measure. There is a formatting bit at the end that will make the number look a bit better (at least to my eye) feel free to remove that formatting if it doesn't suit your purpose. Enjoy....
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How can I implement a tree in Python?

... Python doesn't have the quite the extensive range of "built-in" data structures as Java does. However, because Python is dynamic, a general tree is easy to create. For example, a binary tree might be: class Tree: def __init__(self): self.left = None ...
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Changing the “tick frequency” on x or y axis in matplotlib?

...plicitly set where you want to tick marks with plt.xticks: plt.xticks(np.arange(min(x), max(x)+1, 1.0)) For example, import numpy as np import matplotlib.pyplot as plt x = [0,5,9,10,15] y = [0,1,2,3,4] plt.plot(x,y) plt.xticks(np.arange(min(x), max(x)+1, 1.0)) plt.show() (np.arange was us...
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How can I make the computer beep in C#?

...nzCK That's... not 100% true? I have Win7 64 and I am able to hear a full range of Beep()'s frequencies through external speakers. However, +1 for the internal part, I never realized that. – B.K. Mar 7 '14 at 20:59 ...
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How do you tell if caps lock is on using JavaScript?

...an be added for the following keys as needed. You have to get the keycode range for characters you are interested in, may be by using a keymapping array which will hold all the valid use case keys you are addressing... uppercase A-Z or 'Ä', 'Ö', 'Ü', lowercase a-Z or 0-9 or 'ä', 'ö', 'ü' The ...
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how to get first three characters of an NSString?

... note: "Range or index out of bounds" error possible if you don't check the length to make sure it has 3 or more characters long – Ryan Bavetta Mar 29 '12 at 4:01 ...