大约有 40,000 项符合查询结果(耗时:0.0500秒) [XML]

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CORS - How do 'preflight' an httprequest?

...ll be current to many of us. Here is how I dealt with it in a jQuery 1.12 /PHP 5.6 context: jQuery sent its XHR request using only limited headers; only 'Origin' was sent. No preflight request was needed. The server only had to detect such a request, and add the "Access-Control-Allow-Origin: " . ...
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How to add elements to an empty array in PHP?

If I define an array in PHP such as (I don't define its size): 8 Answers 8 ...
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What is a Question Mark “?” and Colon “:” Operator Used for? [duplicate]

...ternary operator but not the ternary operator. Major languages (C#, Java, PHP) consider it a conditional operator, and call it the ?: operator. Occasionally (JavaScript) it is called the conditional operator. – Sheepy May 30 '14 at 8:02 ...
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How to print a percentage value in python?

... Is float(1) really more pythonic than 1.? – Tobias Kienzler Jul 17 '13 at 7:58 ...
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Can iterators be reset in Python?

...ary data needs to be stored). In general, if one iterator uses most or all of the data before another iterator starts, it is faster to use list() instead of tee(). Basically, tee is designed for those situation where two (or more) clones of one iterator, while "getting out of sync" with ea...
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Format a number as 2.5K if a thousand or more, otherwise 900

... How do I inset a php variable inside here and use it? i.e. if my number variable is $mynumber_output where do I insert this to use it? For example, say $mynumber_output = 12846, I would like 12846 converted to 12.8k – us...
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What is the most pythonic way to check if an object is a number?

...ndle, that takes even more care, as ABCs have no unregister method [[for example you could make your own ABC WeirdNum and register there all such weird-for-you types, then first check for isinstance thereof to bail out before you proceed to checking for isinstance of the normal numbers.Number to con...
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How do you reindex an array in PHP?

... This will do what you want: <?php $array = array(2 => 'a', 1 => 'b', 0 => 'c'); array_unshift($array, false); // Add to the start of the array $array = array_values($array); // Re-number // Remove the first index so we start at 1 $array = arra...
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Correct way to convert size in bytes to KB, MB, GB in JavaScript

I got this code to covert size in bytes via PHP. 17 Answers 17 ...
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Programmatically generate video or animated GIF in Python?

I have a series of images that I want to create a video from. Ideally I could specify a frame duration for each frame but a fixed frame rate would be fine too. I'm doing this in wxPython, so I can render to a wxDC or I can save the images to files, like PNG. Is there a Python library that will al...