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Compare floats in php
I want to compare two floats in PHP, like in this sample code:
16 Answers
16
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A numeric string as array key in PHP
Is it possible to use a numeric string like "123" as a key in a PHP array, without it being converted to an integer?
11 A...
Refresh image with a new one at the same url
... + new Date().getTime();
This will append the current timestamp automatically when you are creating the image, and it will make the browser look again for the image instead of retrieving the one in the cache.
share
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从异构软件开发者的角度看异构计算 - 操作系统(内核) - 清泛网 - 专注C/C++...
...我们应该如何开发异构的应用呢？接下来我们将讨论这个问题。
从GPU说起。其实在很早以前，人们已经意识到GPU的众核性能，开始大家只能使用图形处理接口来利用GPU的计算资源，后来CUDA[3]的推出，将基于CPU+GPU的异构计算逐...
json_encode sparse PHP array as JSON array, not JSON object
...at is, if its keys are 0, 1, 2, 3, ...
You can reindex your array sequentially using the array_values function to get the behaviour you want. For example, the code below works successfully in your use case:
echo json_encode(array_values($input)).
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PHP expresses two different strings to be the same [duplicate]
...and 272E-3063 will both be float(0) because they are too small.
For == in php,
If you compare a number with a string or the comparison involves
numerical strings, then each string is converted to a number and the
comparison performed numerically.
http://php.net/manual/en/language.operato...
Create JSON-object the correct way
I am trying to create an JSON object out of a PHP array. The array looks like this:
5 Answers
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How to use the PI constant in C++
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On some (especially older) platforms (see the comments below) you might need to
#define _USE_MATH_DEFINES
and then include the necessary header file:
#include <math.h>
and the value of pi can be accessed via:
M_PI
In my math....
How to get file_get_contents() to work with HTTPS?
...following code worked fine when I was using the test server (which wasn't calling an SSL URL), but now when I am testing it on the working server with HTTPS, it's failing with the error message "failed to open stream".
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Sorting an IList in C#
...ting problem today. We have a WCF web service that returns an IList. Not really a big deal until I wanted to sort it.
15 An...