大约有 40,000 项符合查询结果(耗时:0.0218秒) [XML]

https://stackoverflow.com/ques... 

Running a Python script from PHP

...e if PHP script runs in browser or curl) and/or must be "executable". Also all commands into .py file must have correct privileges: Taken from php manual: Just a quick reminder for those trying to use shell_exec on a unix-type platform and can't seem to get it to work. PHP executes as the w...
https://stackoverflow.com/ques... 

Can someone explain how to implement the jQuery File Upload plugin?

...de to upload the files: $('#upload').fileupload({ // This function is called when a file is added to the queue add: function (e, data) { //This area will contain file list and progress information. var tpl = $('<li class="working">'+ '<input type="text" value="...
https://stackoverflow.com/ques... 

How to clear APC cache entries?

I need to clear all APC cache entries when I deploy a new version of the site. APC.php has a button for clearing all opcode caches, but I don't see buttons for clearing all User Entries, or all System Entries, or all Per-Directory Entries. ...
https://stackoverflow.com/ques... 

JSON Naming Convention (snake_case, camelCase or PascalCase) [closed]

Is there a standard on JSON naming? I see most examples using all lower case separated by underscore, aka snake_case , but can it be used PascalCase or camelCase as well? ...
https://stackoverflow.com/ques... 

How can I measure the speed of code written in PHP? [closed]

How can I say which class of many (which all do the same job) execute faster? is there a software to measure that? 10 Answe...
https://stackoverflow.com/ques... 

What is the difference between an interface and abstract class?

...'t do anything. It's just a pattern. For example (pseudo code): // I say all motor vehicles should look like this: interface MotorVehicle { void run(); int getFuel(); } // My team mate complies and writes vehicle looking that way class Car implements MotorVehicle { int fuel; vo...
https://stackoverflow.com/ques... 

How to destroy an object?

... objects as soon as the page is served. So this should only be needed on really long loops and/or heavy intensive pages. share | improve this answer | follow |...
https://stackoverflow.com/ques... 

What is the difference between is_a and instanceof?

...ut PHP versions >= 5.3.9 now accept an optional third boolean argument $allow_string (defaults to false) to allow comparisons of string class names instead: class MyBaseClass {} class MyExtendingClass extends MyBaseClass {} // Original behavior, evaluates to false. is_a(MyExtendingClass::class,...
https://stackoverflow.com/ques... 

What is an abstract class in PHP?

...re interface. Also interfaces are a special case of abstract classes where ALL methods are abstract. See this section of the PHP manual for further reference. share | improve this answer |...
https://stackoverflow.com/ques... 

PHP exec() vs system() vs passthru()

... They have slightly different purposes. exec() is for calling a system command, and perhaps dealing with the output yourself. system() is for executing a system command and immediately displaying the output - presumably text. passthru() is for executing a system command which...