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How can I search for a multiline pattern in a file?
... Regular Expressions GREP.
For example, you need to find files where the '_name' variable is immediatelly followed by the '_description' variable:
find . -iname '*.py' | xargs pcregrep -M '_name.*\n.*_description'
Tip: you need to include the line break character in your pattern. Depending on yo...
C++中判断文件、目录是否存在的几种方法 - C/C++ - 清泛网 - 专注C/C++及内核技术
...
if(fh == NULL)
{
printf("%s","can not open the file");
}
三、_access
当然C中还有一种方式是直接调用c的函数库。
就是函数 int _access(const char* path,int mode);
这个函数的功能十分强大。
可以看看msdn的详细介绍
#include <io.h>
#include ...
phpcms v9内容页/下载页更新时间（updatetime）为空的解决方法 - 更多技术 ...
.../content/content.php
public function add() {
if(isset($_POST['dosubmit']) || isset($_POST['dosubmit_continue'])) {
define('INDEX_HTML',true);
$catid = $_POST['info']['catid'] = intval($_POST['info']['catid']);
...
js/php判断终端类型：PC访问、手机访问、微信访问 - 更多技术 - 清泛网 - ...
...里提供php的判断方法：
// 判断是否是手机端
function is_mobile() {
// 如果有HTTP_X_WAP_PROFILE则一定是移动设备
if (isset($_SERVER['HTTP_X_WAP_PROFILE'])) {
return true;
}
// 如果via信息含有wap则一定是移动设备,部分服务商...
App Inventor 2 上传文件到服务器的方案全总结 - App Inventor 2 中文网 - ...
...Program...";//phpinfo();
$picDir = "./test/";
$fileName = $_REQUEST['pic'];
$startT = microtime(TRUE);
echo "\nReceiving: $fileName \n";
$dataToWrite = file_get_contents('php://input');
$fileStatus = file_put_contents($picDir.$fileName, $dataToWrite);
$dur = microtime(TR...
Tips for debugging .htaccess rewrite rules
...lse on your site.
e.g
#protect with a fake user agent
RewriteCond %{HTTP_USER_AGENT} ^my-fake-user-agent$
#Here is the actual rule I am testing
RewriteCond %{HTTP_HOST} !^www\.domain\.com$ [NC]
RewriteRule ^ http://www.domain.com%{REQUEST_URI} [L,R=302]
If you are using Firefox, you can use ...
Get user info via Google API
...scope - https://www.googleapis.com/auth/userinfo.profile
return youraccess_token = access_token
get https://www.googleapis.com/oauth2/v1/userinfo?alt=json&access_token=youraccess_token
you will get json:
{
"id": "xx",
"name": "xx",
"given_name": "xx",
"family_name": "xx",
"link": "xx",...
python assert with and without parenthesis
...a convenient way to insert debugging assertions into a program:
assert_stmt ::= "assert" expression ["," expression]
The simple form, assert expression, is equivalent to
if __debug__:
if not expression: raise AssertionError
The extended form, assert expression1, expression2, is equi...
How do I convert a Vector of bytes (u8) to a string
...string slice (assuming a UTF-8 encoding):
use std::str;
//
// pub fn from_utf8(v: &[u8]) -> Result<&str, Utf8Error>
//
// Assuming buf: &[u8]
//
fn main() {
let buf = &[0x41u8, 0x41u8, 0x42u8];
let s = match str::from_utf8(buf) {
Ok(v) => v,
E...
Recursive sub folder search and return files in a list python
...
Also a generator version
from itertools import chain
result = (chain.from_iterable(glob(os.path.join(x[0], '*.txt')) for x in os.walk('.')))
Edit2 for Python 3.4+
from pathlib import Path
result = list(Path(".").rglob("*.[tT][xX][tT]"))
...