大约有 40,000 项符合查询结果(耗时:0.0233秒) [XML]
Regular Expression for alphanumeric and underscores
...o or more of the given characters
$ : end of string
If you don't want to allow empty strings, use + instead of *.
As others have pointed out, some regex languages have a shorthand form for [a-zA-Z0-9_]. In the .NET regex language, you can turn on ECMAScript behavior and use \w as a shorthand (y...
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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Chrome says “Resource interpreted as script but transferred with MIME type text/plain.”, what gives?
In FF and all, my javascript works fine. But in Chrome it gives this message:
20 Answers
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HTML encoding issues - “” character showing up instead of “ ”
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Found another source This works in all browsers
– Richard Ayotte
Feb 19 '12 at 12:57
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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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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...
How to enable mod_rewrite for Apache 2.2
I've got fresh install of Apache 2.2 on my Vista machine, everything works fine, except mod rewrite.
15 Answers
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JSON encode MySQL results
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This code erroneously encodes all numeric values as strings. For example, a mySQL numeric field called score would have a JSON value of "12" instead of 12 (notice the quotes).
– Theo
Sep 25 '11 at 18:48
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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...
