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Do while loop in SQL Server 2008
...)
DECLARE Iterator CURSOR FORWARD_ONLY FOR
SELECT Id, Title FROM dbo.SourceTable
OPEN Iterator
WHILE 1=1 BEGIN
FETCH NEXT FROM @InputTable INTO @Id, @Title
IF @@FETCH_STATUS < 0 BREAK
PRINT 'Do something with ' + @Title
END
CLOSE Iterator
DEALLOCATE Iterator
Unfortunately, T-SQL doe...
Add a common Legend for combined ggplots
...
Update 2015-Feb
See Steven's answer below
df1 <- read.table(text="group x y
group1 -0.212201 0.358867
group2 -0.279756 -0.126194
group3 0.186860 -0.203273
group4 0.417117 -0.002592
group1 -0.212201 0.358867
group2 -0.279756 -0.126194
group3 0.186860 -0.203273
group...
How do you run a crontab in Cygwin on Windows?
...tart your favourite editor):
$ crontab -e # edit your user specific cron-table HOME=/home/foo
PATH=/usr/local/bin:/usr/bin:/bin:$PATH
# testing - one per line
* * * * * touch ~/cron
@reboot ~/foo.sh
45 11 * * * ~/lunch_message_to_mates.sh
Domain users: it does not work. Poor cron is unable...
How do you do a limit query in JPQL or HQL?
...
// SQL: SELECT * FROM table LIMIT start, maxRows;
Query q = session.createQuery("FROM table");
q.setFirstResult(start);
q.setMaxResults(maxRows);
share
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...
How do you count the number of occurrences of a certain substring in a SQL varchar?
...rchString,@searchTerm,'')))/LEN(@searchTerm)
END
Usage:
SELECT * FROM MyTable
where dbo.CountOccurrencesOfString(MyColumn, 'MyString') = 1
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improve this answer
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f...
MySQL Query - Records between Today and Last 30 Days
... the WHERE clause:
SELECT DATE_FORMAT(create_date, '%m/%d/%Y')
FROM mytable
WHERE create_date BETWEEN CURDATE() - INTERVAL 30 DAY AND CURDATE()
Also note that CURDATE() returns only the DATE portion of the date, so if you store create_date as a DATETIME with the time portion filled, this qu...
LINQ query to select top five
...Select', To validate it, you can try a simple script
select id as i from table where i=3
and it will not work, the reason is engine will parse Where before Select, so it won't know alias i in the where. To make this work, you can try
select * from (select id as i from table) as t where i = 3
...
Map vs Object in JavaScript
...out any properties at all. By default if you want to use Objects as a hash table they will be polluted and you will often have to call hasOwnProperty on them when accessing properties. You can see here how by default Objects are polluted and how to create hopefully unpolluted objects for use as hash...
How to make a great R reproducible example
...rame")
One other caveat for dput is that it will not work for keyed data.table objects or for grouped tbl_df (class grouped_df) from dplyr. In these cases you can convert back to a regular data frame before sharing, dput(as.data.frame(my_data)).
Worst case scenario, you can give a text representa...
CSS Image size, how to fill, not stretch?
...n: absolute;
top: 0;
bottom: 0;
margin: auto;
display: table;
left: 50%;
}
.inner img {
display: block;
border: 1px solid blue; /* just for example */
position: relative;
right: 50%;
opacity: .5; /* just for example */
}
<div class="outer">...