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Why does “pip install” inside Python raise a SyntaxError?
...stalled package so this is the right way of using the API: subprocess.check_call([sys.executable, '-m', 'pip', 'install', 'SomeProject']) but since Python allows to access internal API and you know what you're using the API for you may want to use internal API anyway eg. if you're building own GUI p...
Replacing Spaces with Underscores
I have a PHP Script that users will enter a name like: Alex_Newton ,
12 Answers
12
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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']);
...
Discuz! X3 论坛标题字数突破80的限制 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...，修改语言包文件。
修改的文件一览如下（数据库修改 _forum_post, _forum_rsscache, _forum_thread 这三张表）：
下面详细介绍如何修改：
一、数据库修改，修改数据库标题字段的长度为255字符：运行下面的sql语句：
（注意修改...
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...
Regex not operator
...: lookahead) this doesn't (hence: negative) match this. But it doesn't actually consume the characters it matches (hence: zero-width).
There are actually 4 combinations of lookarounds with 2 axes:
lookbehind / lookahead : specifies if the characters before or after the point are considered
positi...
How can I search (case-insensitive) in a column using LIKE wildcard?
... trees
WHERE trees.`title` COLLATE UTF8_GENERAL_CI LIKE '%elm%'
Actually, if you add COLLATE UTF8_GENERAL_CI to your column's definition, you can just omit all these tricks: it will work automatically.
ALTER TABLE trees
MODIFY COLUMN title VARCHAR(…) CHARACTER
SET UTF8 COLLATE UTF8_GE...
Django Setup Default Logging
...can't seem to figure out how to setup a "default" logger for my Django installation. I would like to use Django 1.3's new LOGGING setting in settings.py .
...