大约有 1,200 项符合查询结果（耗时：0.0236秒） [XML]
Dynamically select data frame columns using $ and a character value
... in loop as well
reverse way to add dynamic name eg if A is data frame and xyz is column to be named as x then I do like this
A$tmp=xyz
colnames(A)[colnames(A)=="tmp"]=x
again this can also be added in loop
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Send Email Intent
...ew Intent(Intent.ACTION_SENDTO);
emailIntent.setData(Uri.parse("mailto:abc@xyz.com"));
startActivity(Intent.createChooser(emailIntent, "Send feedback"));
Kotlin version
val emailIntent = Intent(Intent.ACTION_SENDTO).apply {
data = Uri.parse("mailto:abc@xyz.com")
}
startActivity(Intent.createC...
How to compile tests with SBT without running them
...es.
I found out I can compile only the tests for a specific project named xyz by doing:
sbt xyz/test:compile
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Get name of object or class
...ar Bar = function () { console.log('Bar function'); };
var Abc = function Xyz() { console.log('Abc function'); };
var f = new Foo();
var b = new Bar();
var a = new Abc();
console.log('f', f.constructor.name); // -> "Foo"
console.log('b', b.constructor.name); // -> "Function"
console...
How can I remove specific rules from iptables?
...st all iptables rules with this command:
iptables -S
it lists like:
-A XYZ -p tcp -m state --state NEW -m tcp --dport 22 -j ACCEPT
Then copy the desired line, and just replace -A with -D to delete that:
iptables -D XYZ -p ...
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How to let PHP to create subdomain automatically for each user?
... hi mark, I followed the steps you gave above but the when I do xyz.mydomain.com it redirects to xyz.mydomain.com/cgi-sys/defaultwebpage.cgi... Do I need to do anything else then steps mentioned above ?
– Ashish Rajan
Apr 1 '11 at 11:06
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App Inventor 2 DynamicComponents 拓展：动态创建AI2组件对象 · App Inventor 2 中文网
... 开通VIP 搜索 App Inventor 2 DynamicComponents 拓展：动态创建AI2组件对象
DynamicComponents 拓展
🧩 代码块
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How do you copy a record in a SQL table but swap out the unique id of the new row?
...fy each column name in the INSERT.
This code copies the row for 'ABC' to 'XYZ'
SELECT * INTO #TempRow FROM SourceTable WHERE KeyColumn = 'ABC';
UPDATE #TempRow SET KeyColumn = 'XYZ';
INSERT INTO SourceTable SELECT * FROM #TempRow;
DELETE #TempRow;
Once you have finished the drop the temp table.
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How can I change the text inside my with jQuery?
...
Try this
$("#abc").html('<span class = "xyz"> SAMPLE TEXT</span>');
Handle all the css relevant to that span within xyz
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How can I echo HTML in PHP?
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Try it like this (heredoc syntax):
$variable = <<<XYZ
<html>
<body>
</body>
</html>
XYZ;
echo $variable;
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