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LIMIT 10..20 in SQL Server
...
For SQL Server 2012 + you can use.
SELECT *
FROM sys.databases
ORDER BY name
OFFSET 5 ROWS
FETCH NEXT 5 ROWS ONLY
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How can I tell IntelliJ's “Find in Files” to ignore generated files?
...for the Find
in Path dialog. (Mac users press command+shift+F)
Under Scope select Custom.
Choose a scope from the drop down list or create a Custom Scope by clicking on the ... button to the right of dropdown.
In the dialog that appears, click on the + button and select Local
On the right pane you...
What is a “batch”, and why is GO used?
...add a column to a table, then it should be in its own batch.
If you try to SELECT the new column in the same batch it fails because at parse/compile time the column does not exist.
GO is used by the SQL tools to work this out from one script: it is not a SQL keyword and is not recognised by the eng...
How enable auto-format code for Intellij IDEA?
...ortion go to Editor Actions> complete current statement.Click on it and select add keyboard shortcut. Press ; and select ok.
Use macro. Go to
Edit> Macros> Start Macro Recording.
Now press semicolon and keyboard shortcut to reformat code (you can find the keyboard shortcut from other ans...
Deprecated: mysql_connect()
... with @:
<?php
$connect = @mysql_connect('localhost','root','');
mysql_select_db('dbname');
?>
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How can I clear an HTML file input with JavaScript?
...it does seem reasonable to provide a simple mechanism for clearing already selecting output. I tried using an empty string but it did not work in all browsers, NULL worked in all the browsers I tried (Opera, Chrome, FF, IE11+ and Safari).
EDIT:
Please note that setting to NULL works on all browser...
Eclipse comment/uncomment shortcut?
... Ctrl + / and for multiple line comment you can use Ctrl + Shift + / after selecting the lines you want to comment in java editor.
On Mac/OS X you can use ⌘ + / to comment out single lines or selected blocks.
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How to write a simple Html.DropDownListFor()?
...%= Html.DropDownListFor(n => n.MyColorId,
new SelectList(Colors, "ColorId", "Name")) %>
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Compare two data.frames to find the rows in data.frame 1 that are not present in data.frame 2
...ata.frame(a = 1:3, b=letters[1:3])
require(sqldf)
a1NotIna2 <- sqldf('SELECT * FROM a1 EXCEPT SELECT * FROM a2')
And the rows which are in both data frames:
a1Ina2 <- sqldf('SELECT * FROM a1 INTERSECT SELECT * FROM a2')
The new version of dplyr has a function, anti_join, for exactly the...
How do we count rows using older versions of Hibernate (~2009)?
...eturn int and use this form:
int count = ((Long)getSession().createQuery("select count(*) from Book").uniqueResult()).intValue();
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