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using href links inside tag
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<select name="forma" onchange="location = this.value;">
<option value="Home.php">Home</option>
<option value="Contact.php">Contact</option>
<option value="Sitemap.php">Sitemap</option>
</select>
UPDATE (Nov 2015): In th...
Object-orientation in C
What would be a set of nifty preprocessor hacks (ANSI C89/ISO C90 compatible) which enable some kind of ugly (but usable) object-orientation in C?
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Good reasons NOT to use a relational database?
... grep etc)
Efficient storage of binary documents
XML or JSON files on disk
As above, but with a bit more ability to validate the structure.
Spreadsheet / CSV file
Very easy model for business users to understand
Subversion (or similar disk based version control system)
Very good su...
How can I include a YAML file inside another?
... want the contents of A to be inserted inside B, either spliced into the existing data structure, like an array, or as a child of an element, like the value for a certain hash key.
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Exiting from python Command Line
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In my python interpreter exit is actually a string and not a function -- 'Use Ctrl-D (i.e. EOF) to exit.'. You can check on your interpreter by entering type(exit)
In active python what is happening is that exit is a function. If you do not call the func...
Select n random rows from SQL Server table
...o the "pure trash" comment concerning large tables: you could do it like this to improve performance.
select * from [yourtable] where [yourPk] in
(select top 10 percent [yourPk] from [yourtable] order by newid())
The cost of this will be the key scan of values plus the join cost, which on a lar...
How to deal with persistent storage (e.g. databases) in Docker
How do people deal with persistent storage for your Docker containers?
14 Answers
14
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Remove the last line from a file in Bash
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Using GNU sed:
sed -i '$ d' foo.txt
The -i option does not exist in GNU sed versions older than 3.95, so you have to use it as a filter with a temporary file:
cp foo.txt foo.txt.tmp
sed '$ d' foo.txt.tmp > foo.txt
rm -f foo.txt.tmp
Of course, in that case you could also use head ...
UITableViewCell, show delete button on swipe
...t the delete button to show when swiping on a UITableViewCell ? The event is never raised and the delete button never appears.
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How do I write unit tests in PHP? [closed]
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There is a 3rd "framework", which is by far easier to learn - even easier than SimpleTest, it's called phpt.
A primer can be found here:
http://qa.php.net/write-test.php
Edit: Just saw your request for sample code.
Let's assume ...