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What is the use case of noop [:] in bash?
...all the way back to the Thompson shell, it was present in Unix v6. : was a label indicator for the Thompson shell's goto statement. The label could be any text, so : doubled up as a comment indicator (if there is no goto comment, then : comment is effectively a comment). The Bourne shell didn't have...
Calling async method synchronously
...ion
private void button2_Click(object sender, EventArgs e)
{
label1.Text = "waiting....";
Task<string> sCode = Task.Run(async () =>
{
string msg =await GenerateCodeAsync();
return msg;
});
label1.Text += sCode.Result;
...
Can you attach a UIGestureRecognizer to multiple views?
...
It's not working for me when I use two labels instead of views.
– Mihir Oza
May 30 '18 at 5:39
3
...
How to create a WPF UserControl with NAMED content
...<control:MyFunkyControl Heading="Some heading!">
<Label Name="WithAName">Some cool content</Label>
</control:MyFunkyControl>
share
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improve this answer
...
Linux下部署企业级邮件服务器(postfix + dovecot + extmail) - 开源 & Gith...
...数据库中的数据来进行认证，以此来判定收件人所在的域是否为自己所负责的域，并且判断是否为其中继邮件。
需求：为公司建立邮件服务器，公司全部员工使用统一的域名，内网IP为：192.168.0.115
操作系统：RHEL5
所用...
WebView and HTML5
...e="password_edit">#ff000000</color>
<color name="ssl_text_label">#ffffffff</color>
<color name="ssl_text_value">#ffffffff</color>
<color name="white">#ffffffff</color>
<color name="black">#ff000000</color>
<color na...
How to do a regular expression replace in MySQL?
... INT;
SET i = 1;
SET temp = '';
IF original REGEXP pattern THEN
loop_label: LOOP
IF i>CHAR_LENGTH(original) THEN
LEAVE loop_label;
END IF;
SET ch = SUBSTRING(original,i,1);
IF NOT ch REGEXP pattern THEN
SET temp = CONCAT(temp,ch);
ELSE
SET temp = CONCAT(temp,re...
(this == null) in C#!
...{
string CS$1$0000;
CS$1$0000 = CS$1$0000.CheckNull();
Label_0009:
return CS$1$0000;
}
private string CheckNull()
{
string CS$1$0000;
CS$1$0000 = "Am I null? " + ((bool) (this == null));
Label_0017:
return CS$1$0000;
}
}
The ...
Position geom_text on dodged barplot
...fill = ustanova), position = "dodge") +
geom_text(aes(variable, `(all)`, label = sprintf("%2.1f", `(all)`)),
position = position_dodge(width = 1)) +
coord_flip()
The key is using position = position_dodge(width = 1) instead of position = "dodge", which is just a shortcut without ...
HTML text input field with currency symbol
...
additionally you could wrap the '$' inside a <Label> tag. This will move the focus to the input field when they click on the '$'-text
– Cohen
Nov 20 '12 at 18:32
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