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PHP mkdir: Permission denied problem
..., all you need it's to obtain correct path. I did it this way:
<?php
$root = $_SERVER["DOCUMENT_ROOT"];
$dir = $root . '/somefolder/';
if( !file_exists($dir) ) {
mkdir($dir, 0755, true);
}
?>
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...
Sass .scss: Nesting and multiple classes?
...ay want to go more classes up than one. In this case you could try the @at-root and #{} css features which would enable two root classes to sit next to each other using &.
This wouldn't work (due to the nothing before & rule):
container {
background:red;
color:white;
...
为什么你越努力，却越焦虑？ - 杂谈 - 清泛网 - 专注C/C++及内核技术
...自控能力的缘故，也可能和性格和其他因素有关。但无论如何，我深知，只要我给自己找了借口，我就会不遗余力地开始前功尽弃。对于经常把自我宽容混同为自我纵容的人来说，任何自我怜悯的借口实际上都只是自我欺骗。
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Make XAMPP/Apache serve file outside of htdocs [closed]
...).
Add your virtual host (~line 36):
<VirtualHost *:80>
DocumentRoot C:\Projects\transitCalculator\trunk
ServerName transitcalculator.localhost
<Directory C:\Projects\transitCalculator\trunk>
Order allow,deny
Allow from all
</Directory>
</Virtual...
Java and SQLite [closed]
... conn.setAutoCommit(true);
ResultSet rs = stat.executeQuery("select * from people;");
while (rs.next()) {
System.out.println("name = " + rs.getString("name"));
System.out.println("job = " + rs.getString("occupation"));
}
rs.close();
...
OS X Terminal Colors [closed]
...oloring = \[\e[0m\]
I always add a slightly modified color-scheme in the root's .bash_profile to make the username red, so I always see clearly if I'm logged in as root (handy to avoid mistakes if I have many terminal windows open).
In /root/.bash_profile:
PS1='\[\e[0;31m\]\u\[\e[0m\]@\[\e[0;32m...
micro:bit 微控制器教程 · App Inventor 2 中文网
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教程概述
本教程将指导您如何使用 App Inventor 2 通过蓝牙连接和控制 micro:bit 微控制器。您将学会：
蓝牙连接 micro:bit 设备
读取 micro:bit 传感器数据（如温度传感器）
向 micro:bit 发送控制指令
...
windows异常处理 __try __except - C/C++ - 清泛网 - 专注C/C++及内核技术
...进入到__except模块中运行异常处理代码
try-except的关键是如何在__except模块中获得异常错误的相关信息.
Windows提供了两个API函数来获取异常信息：
LPEXCEPTION_POINTERS GetExceptionInformation(VOID); //取得异常相关信息
DWORD GetExceptionCode(VOID...
Definition of a Balanced Tree
...:
People define the height of an empty tree to be (-1).
For example, root's left child is null:
A (Height = 2)
/ \
(height =-1) B (Height = 1) <-- Unbalanced because 1-(-1)=2 >1
\
C (Height = 0)
Two more exam...
Controlling mouse with Python
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Linux
from Xlib import X, display
d = display.Display()
s = d.screen()
root = s.root
root.warp_pointer(300,300)
d.sync()
Source: Python mouse move in 5 lines of code (Linux only).
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