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Truncate (not round) decimal places in SQL Server
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select round(123.456, 2, 1)
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Multiple line code example in Javadoc comment
...se of Eclipse, this is because of (bugged?) javadoc utility. If you have @ character in the multiline code inside {@code ...multiline...} then javadoc fails to parse it correctly:( At least this is what I see with Oracle JDK1.7.0_45 javadoc implementation.
– Male
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How can I change IIS Express port for a site
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In Solution Explorer, right-click the name of the application and then select Properties.
Click the Web tab.
In the Servers section, under Use Local IIS Web server, in the Project URL box change the port number.
To the right of the Project URL box, click Create Virtual Directory, and then ...
SQL Switch/Case in 'where' clause
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declare @locationType varchar(50);
declare @locationID int;
SELECT column1, column2
FROM viewWhatever
WHERE
@locationID =
CASE @locationType
WHEN 'location' THEN account_location
WHEN 'area' THEN xxx_location_area
WHEN 'division' THEN xxx_location_division
END...
Eclipse fonts and background color
...→ General → Editors → Text Editors
Browse Appearance color options
Select background color options, uncheck default, change to black
Select background color options, uncheck default, change to colour of choice
To change text colours
Open Java → Editor → Syntax Colouring
Select ele...
How to select first and last TD in a row?
How can you select the first and the last TD in a row?
5 Answers
5
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How can I select random files from a directory in bash?
I have a directory with about 2000 files. How can I select a random sample of N files through using either a bash script or a list of piped commands?
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What is the difference between JOIN and UNION?
...t -- completely different operations. Trivial example of UNION:
mysql> SELECT 23 AS bah
-> UNION
-> SELECT 45 AS bah;
+-----+
| bah |
+-----+
| 23 |
| 45 |
+-----+
2 rows in set (0.00 sec)
similary trivial example of JOIN:
mysql> SELECT * FROM
-> (SELECT 23 AS bah...
App Inventor 2 项目合并工具 AIMerge · App Inventor 2 中文网
... CountDownScreen1 project, then clicking on the “Project” dropdown and selecting “Export selected project (.aia) to my computer”. Figure 4 shows how to select a project and where to click to download the project.
Figure 4: Steps to download the CountDownScreen1 project
Developer 2 Work I...
How to check in Javascript if one element is contained within another
...arentNode)&&c!==p);
return !!c;
}
..or as one-liner (just 64 chars!):
function childOf(c,p){while((c=c.parentNode)&&c!==p);return !!c}
and jsfiddle here.
Usage:
childOf(child, parent) returns boolean true|false.
Explanation:
while evaluates as long as the while-condition...