大约有 40,000 项符合查询结果(耗时:0.0527秒) [XML]

https://stackoverflow.com/ques... 

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)). ...
https://stackoverflow.com/ques... 

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...
https://stackoverflow.com/ques... 

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 ...
https://stackoverflow.com/ques... 

How to use the PI constant in C++

... 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....
https://stackoverflow.com/ques... 

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". ...
https://stackoverflow.com/ques... 

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...
https://stackoverflow.com/ques... 

Remove non-numeric characters (except periods and commas) from a string

... You could use preg_replace to swap out all non-numeric characters and the comma and period/full stop as follows: $testString = '12.322,11T'; echo preg_replace('/[^0-9,.]+/', '', $testString); The pattern can also be expressed as /[^\d,.]+/ ...
https://stackoverflow.com/ques... 

What's the difference between “Layers” and “Tiers”?

...on a single computer or even in a single process on a single computer. All we are doing is discussing a way of organizing a code into a set of layers defined by specific function. Physical tiers however, are only about where the code runs. Specifically, tiers are places where laye...
https://stackoverflow.com/ques... 

Using crontab to execute script every minute and another every 24 hours [closed]

I need a crontab syntax which should execute a specific PHP script /var/www/html/a.php every minute. The execution on every minute must start at 00:00. The other task which must execute a script at 00:00 /var/www/html/reset.php (once every 24 hours). ...
https://stackoverflow.com/ques... 

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 ...