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Best way to reverse a string
I've just had to write a string reverse function in C# 2.0 (i.e. LINQ not available) and came up with this:
48 Answers
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JavaScript open in a new window, not tab
... here for all the possible options.
window.open(url, windowName, "height=200,width=200");
When you specify a width/height, it will open it in a new window instead of a tab.
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grepping using the “|” alternative operator
The following is a sample of a large file named AT5G60410.gff:
5 Answers
5
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SQL Add foreign key to existing column
If I am using the following SQL command in SQL Server 2008 to update a table with a foreign key constraint:
6 Answers
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Position geom_text on dodged barplot
..."dodge", which is just a shortcut without any parameter.
In ggplot2_2.0.0 you find several examples in ?geom_text on how to position geom_text on dodged or stacked bars (the code chunk named "# Aligning labels and bars"). The Q&A What is the width argument in position_dodge? provides a more...
App Inventor 2 蓝牙发送十六进制字节方案：文本转Hex字节详解 - App应用开...
...题描述用户在文本框输入"ABCD"，想通过蓝牙发送 0xAB 0xCD 两个字节，而不是四个ASCII字符（0x41 0x42 0x43 0x44）。
每两个字符代表一个十六进制字节，需要将字符对解析为实际的字节值。
问题本质输入期望发送实际发送（...
Bootstrap 3 and 4 .container-fluid with grid adding unwanted padding
... Some text
</div>
</div>
See http://jsfiddle.net/3px20h6t/
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in entity framework code first, how to use KeyAttribute on multiple columns
... attributes, for instance:
public class MyEntity
{
[Key, Column(Order=0)]
public int MyFirstKeyProperty { get; set; }
[Key, Column(Order=1)]
public int MySecondKeyProperty { get; set; }
[Key, Column(Order=2)]
public string MyThirdKeyProperty { get; set; }
// other pro...
How to suppress warnings globally in an R Script
...lly might not be a good idea.
To turn warnings back on, use
options(warn=0)
(or whatever your default is for warn, see this answer)
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TCPClient TCP客户端扩展：连接TCP服务器进行文本消息通信 · App Inventor 2 中文网
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版本
日期
修改内容
1.0
2020-11-23
初始版本
1.1
2020-12-02
添加 UrsAI2SharedTcpClient 变体
1.2
2021-01-09
修复断开连接时 Write/Writeln 的行为
1.3...