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SQL Logic Operator Precedence: And and Or
...in alphabetic order):
Microsoft Transact-SQL operator precedence
Oracle MySQL 9 operator precedence
Oracle 10g condition precedence
PostgreSQL operator Precedence
SQL as understood by SQLite
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Turn off deprecated errors in PHP 5.3
...p; ~E_DEPRECATED & ~E_STRICT" Have no effect.... but, in my example, "@mysql_connect();" do the trick :-(
– molokoloco
Feb 4 '16 at 14:40
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Read only file system on Android
I recently rooted my Droid X and everything seems to be working perfectly. I made some changes to build.prop and when I do adb push build.prop /system/ I get the following error: failed to copy 'c:\build.prop' to '/system//build.prop': Read-only file system .
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绘画动画组件 · App Inventor 2 中文网
...心，否则为 球形精灵 的最高点。
Z坐标
球形精灵应如何相对于其他球形精灵和图像精灵分层，编号较高的层位于编号较低的层之前。
事件
被碰撞时(其他精灵)
事件将在两个启用的精灵（球形精灵或图像精灵）碰撞...
Create table (structure) from existing table
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FOR MYSQL:
You can use:
CREATE TABLE foo LIKE bar;
Documentation here.
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Is there a way to get the git root directory in one command?
Mercurial has a way of printing the root directory (that contains .hg) via
22 Answers
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Django Setup Default Logging
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Thanks it seems that this '' means root logger. This useful piece of information was not found in Django documentation.
– Eino Mäkitalo
Mar 12 '13 at 10:11
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C++STL容器使用经验总结 - C/C++ - 清泛网 - 专注C/C++及内核技术
...y、stack、queue和priority_queue。
你是否关心容器中的元素是如何排序的？如果不关心，选择哈希容器.
容器中数据的布局是否需要和C兼容？如果需要兼容，就只能选择vector。(见第16条)
元素的查找速度是否是关键的考虑因素？如...
How do I use sudo to redirect output to a location I don't have permission to write to?
...is performed by your shell which does not have the permission to write to /root/test.out. The redirection of the output is not performed by sudo.
There are multiple solutions:
Run a shell with sudo and give the command to it by using the -c option:
sudo sh -c 'ls -hal /root/ > /root/test.out'...
How do I handle the window close event in Tkinter?
... a concrete example:
import tkinter as tk
from tkinter import messagebox
root = tk.Tk()
def on_closing():
if messagebox.askokcancel("Quit", "Do you want to quit?"):
root.destroy()
root.protocol("WM_DELETE_WINDOW", on_closing)
root.mainloop()
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