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How to get multiple selected values of select box in php?

... If you want PHP to treat $_GET['select2'] as an array of options just add square brackets to the name of the select element like this: <select name="select2[]" multiple … Then you can acces the array in your PHP script <?php header("Content-...
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“Variable” variables in Javascript?

...usly consider that). It is possible to access some global variables dynamically via window, but that doesn't work for variables local to a function. Global variables that do not become a property of window are variables defined with let and const, and classes. There is almost always a better soluti...
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How do you execute an arbitrary native command from a string?

...her path\file.ext"' iex "& $command" Likely, you could handle nearly all cases by detecting if the first character of the command string is ", like in this naive implementation: function myeval($command) { if ($command[0] -eq '"') { iex "& $command" } else { iex $command } } But...
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How can I get a java.io.InputStream from a java.lang.String?

... You might be right. I originally made it a comment probably because it wasn't an actual answer to OP's question. – Andres Riofrio Jul 15 '13 at 18:52 ...
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TypeError: 'module' object is not callable

...> This is what the error message means: It says module object is not callable, because your code is calling a module object. A module object is the type of thing you get when you import a module. What you were trying to do is to call a class object within the module object that happens to have ...
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CoffeeScript, When to use fat arrow (=>) over arrow (->) and vice versa

When building a class in CoffeeScript, should all the instance method be defined using the => ("fat arrow") operator and all the static methods being defined using the -> operator? ...
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Add column with constant value to pandas dataframe [duplicate]

...ods to gain some intuition for alignment works with objects that have partially, totally, and not-aligned-all aligned indices. For example here's how DataFrame.align() works with partially aligned indices: In [7]: from pandas import DataFrame In [8]: from numpy.random import randint In [9]: df = ...
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一个宏命令,就可以程序崩溃时生成dump文件 - C/C++ - 清泛网 - 专注C/C++及内核技术

...pFile { void CreateDumpFile(LPCWSTR lpstrDumpFilePathName, EXCEPTION_POINTERS *pException) { // 创建Dump文件 // HANDLE hDumpFile = CreateFile(lpstrDumpFilePathName, GENERIC_WRITE, 0, NULL, CREATE_ALWAYS, FILE_ATTRIBUTE_NORMAL, NULL); //...
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C++ 通过主机名/域名获取IP - C/C++ - 清泛网 - 专注C/C++及内核技术

...2.h> 该头文件定义了Socket编程的功能 #pragma comment(lib,"ws2_32.lib") 连接ws2_32.lib库...代码如下: #include <winsock2.h> //该头文件定义了Socket编程的功能 #pragma comment(lib,"ws2_32.lib") //连接ws2_32.lib库.只要程序中用到Winsock API 函数,...
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Why do you have to call .items() when iterating over a dictionary in Python?

...te over the same items. Implementation-wise they are different operations (__contains__ vs. __iter__). But that little inconsistency would be somewhat confusing and, well, inconsistent. share | impr...