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Get a substring of a char* [duplicate]
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@alexandernst: How exactly? 5 bytes allocated on the stack (which will get freed when it drops out of scope) is hardly wasting memory ...
– Goz
Nov 11 '13 at 21:38
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What are the ways to make an html link open a folder
...ery specific environment I know). In this instance, I use a html link to a php file and run:
shell_exec('cd C:\path\to\file');
shell_exec('start .');
This opens a local Windows explorer window.
share
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What are file descriptors, explained in simple terms?
....h) opened by default on behalf of shell when the program starts.
FD's are allocated in the sequential order, meaning the lowest possible unallocated integer value.
FD's for a particular process can be seen in /proc/$pid/fd (on Unix based systems).
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App Inventor 2 Web客户端（Web）详细用法示例 · App Inventor 2 中文网
...请求头鉴权
完整 .aia 源码
电脑端完整代码
PHP 接收示例
Node.js 与 Python 对应接收示例
Node.js 对应实现
Python 对应实现
下载文件与文本编码
本文 PHP 后端已配套 Node.js ...
Difference between a Structure and a Union
...e short answer: a struct is a record structure: each element in the struct allocates new space. So, a struct like
struct foobarbazquux_t {
int foo;
long bar;
double baz;
long double quux;
}
allocates at least (sizeof(int)+sizeof(long)+sizeof(double)+sizeof(long double)) bytes in...
PHP variables in anonymous functions
I was playing around with anonymous functions in PHP and realized that they don't seem to reach variables outside of them.
Is there any way to get around this problem?
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How to convert an image to base64 encoding?
...ts("/path/to/image.jpg");
// alternatively specify an URL, if PHP settings allow
$base64 = base64_encode($imagedata);
bear in mind that this will enlarge the data by 33%, and you'll have problems with files whose size exceed your memory_limit.
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搭建高可用mongodb集群（二）—— 副本集 - 大数据 & AI - 清泛网 - 专注C/...
...creating replication oplog of size: 990MB...
Sun Dec 29 20:26:13.849 [FileAllocator] allocating new datafile /data/mongodbtest/replset/data/local.1, filling with zeroes...
Sun Dec 29 20:26:13.862 [FileAllocator] done allocating datafile /data/mongodbtest/replset/data/local.1, size: 1024MB, took 0...
Reset PHP Array Index
I have a PHP array that looks like this:
3 Answers
3
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jQuery Ajax File Upload
...ed to use the XHR object but could not get results on the server side with PHP.
var formData = new FormData();
formData.append('file', $('#file')[0].files[0]);
$.ajax({
url : 'upload.php',
type : 'POST',
data : formData,
processData: false, // tell jQuery not to proces...