大约有 40,000 项符合查询结果（耗时：0.0488秒） [XML]
Javascript: Round up to the next multiple of 5
...h.floor(x/5)*5) : Math.ceil(x/5)*5 }
And the tests:
for (var x=40; x<51; x++) {
console.log(x+"=>", x%5<3 ? (x%5===0 ? x : Math.floor(x/5)*5) : Math.ceil(x/5)*5)
}
// 40 => 40
// 41 => 40
// 42 => 40
// 43 => 45
// 44 => 45
// 45 => 45
// 46 => 45
// 47 => 45
//...
Add regression line equation and R^2 on graph
...d a few lines of the source of stat_smooth and related functions to make a new function that adds the fit equation and R squared value. This will work on facet plots too!
library(devtools)
source_gist("524eade46135f6348140")
df = data.frame(x = c(1:100))
df$y = 2 + 5 * df$x + rnorm(100, sd = 40)
df...
Deserialize from string instead TextReader
...ng XmlSerializeToString(this object objectInstance)
{
var serializer = new XmlSerializer(objectInstance.GetType());
var sb = new StringBuilder();
using (TextWriter writer = new StringWriter(sb))
{
serializer.Serialize(writer, objectInstance);
}
return sb.ToString();...
What is the difference between Unidirectional and Bidirectional JPA and Hibernate associations?
... to use it without considering performance implications.
How would you add new Users to the Group? Fortunately, Hibernate looks at the owning side of relationship when persisting it, so you can only set User.group. However, if you want to keep objects in memory consistent, you also need to add User ...
Datatables - Search Box outside datatable
...
This one helped me for DataTables Version 1.10.4, because its new API
var oTable = $('#myTable').DataTable();
$('#myInputTextField').keyup(function(){
oTable.search( $(this).val() ).draw();
})
share
...
Fast Linux File Count for a large number of files
...
+1 And I thought I knew everything there was to know about ls.
– mob
Sep 15 '09 at 13:58
5
...
How to use the TextWatcher class in Android?
...
For use of the TextWatcher...
et1.addTextChangedListener(new TextWatcher() {
@Override
public void onTextChanged(CharSequence s, int start, int before, int count) {
// TODO Auto-generated method stub
}
@Override
public void beforeTextChanged(CharSequen...
How does the Amazon Recommendation feature work?
...s area - there is always some room for improvement and as times change and new methods are applied to the problems it will keep getting solved differently. And if you read the detailed links you can see how there is a "blend" of several approches to prediction within each of the big contenders for ...
Unable to create/open lock file: /data/mongod.lock errno:13 Permission denied
...b assigned to /var/lib/mongodb (existing path) and I changed the /data/db (new path) with chown and chgrp to match. (example: sudo chown -R mongodb:mongodb /data/db)
Then I updated the path in etc/mongodb.conf to /data/db and deleted the old mongo files in /var/lib/mongodb directory.
Then I ran sudo...
Check if table exists and if it doesn't exist, create it in SQL Server 2008
...mething like this
IF NOT EXISTS (SELECT * FROM sys.objects
WHERE object_id = OBJECT_ID(N'[dbo].[YourTable]') AND type in (N'U'))
BEGIN
CREATE TABLE [dbo].[YourTable](
....
....
....
)
END
share
|
...