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Hidden Features of MySQL
...that has an integer type,
you can also refer to the column as "_rowid" in SELECT statements.
In MySQL, the name of a PRIMARY KEY is PRIMARY
Currently, only InnoDB (v5.1?) tables support foreign keys.
Usually, you create all the indexes you need when you are creating tables.
Any column declared...
How do you count the number of occurrences of a certain substring in a SQL varchar?
...mparing the lengths
Declare @string varchar(1000)
Set @string = 'a,b,c,d'
select len(@string) - len(replace(@string, ',', ''))
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How to change tab size on GitHub?
... by changing the blob segment with an edit segment and use the dropdown to select your prefered tab size.
Standard view: https://github.com/moroshko/mmSelect/blob/master/mm_select.js
Ace view: https://github.com/moroshko/mmSelect/edit/master/mm_select.js
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How to get the number of days of difference between two dates on mysql?
...lues are
used in the calculation
In your case, you'd use :
mysql> select datediff('2010-04-15', '2010-04-12');
+--------------------------------------+
| datediff('2010-04-15', '2010-04-12') |
+--------------------------------------+
| 3 |
+--------------...
SQL-Server: Error - Exclusive access could not be obtained because the database is in use
...WITH REPLACE) in optoins tab at left hand side.
Uncheck all other options.
Select source and destination database.
Click ok.
That's it.
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Browse the files created on a device by the iOS application I'm developing, on workstation?
...in the bottom half of the window.
In Xcode 6, go to Window -> Devices, select the device, select the app name under Installed Apps, click the settings gearbox, then select Download container.... In finder, double finger tap the package and select Show package contents.
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How to create war files
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I've always just selected Export from Eclipse. It builds the war file and includes all necessary files. Providing you created the project as a web project that's all you'll need to do. Eclipse makes it very simple to do.
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Select second last element with css
I already know of :last-child. But is there a way to select the div:
2 Answers
2
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How to send objects in NIB files to front/back?
...
Just to give a clean, up-to-date answer to this:
Select an interface object, then "Editor | Arrange | Send to back/front/etc", OR
Select the window object, then click on 'Window' above the interface editor and select the objects it contains
This pic shows where to click: ...
Shell Script — Get all files modified after
...1 | xargs tar --no-recursion -czf myfile.tgz
where find . -mtime -1 will select all the files in (recursively) current directory modified day before. you can use fractions, for example:
find . -mtime -1.5 | xargs tar --no-recursion -czf myfile.tgz
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