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Replacing H1 text with a logo image: best method for SEO and accessibility?
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title in href and img to h1 is very, very important!
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Is a DIV inside a TD a bad idea?
... using tables for layout. (Some people never use tables for layout though, and I happen to be one of them.)
If you use a div in a td you will however get in a situation where it might be hard to predict how the elements will be sized. The default for a div is to determine its width from its parent,...
How to empty a list?
...ote that doing lst = [] does not empty the list, just creates a new object and binds it to the variable lst, but the old list will still have the same elements, and effect will be apparent if it had other variable bindings.
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Dump a mysql database to a plaintext (CSV) backup from the command line
... mysqldump, I'm all ears. Also, I'd like something I can run from the command line (linux). If that's a mysql script, pointers to how to make such a thing would be helpful.
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Difference between “\n” and Environment.NewLine
...form. Or sending text in package that will be received by a unix platform. And in a few months .net will be running on Unix platforms. It already has begun
– John Demetriou
May 1 '15 at 13:36
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How to have an automatic timestamp in SQLite?
I have an SQLite database, version 3 and I am using C# to create an application that uses this database.
7 Answers
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How do I compare two strings in Perl?
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See perldoc perlop. Use lt, gt, eq, ne, and cmp as appropriate for string comparisons:
Binary eq returns true if the left argument is stringwise equal to the right argument.
Binary ne returns true if the left argument is stringwise not equal to the right argument....
How do I trim a file extension from a String in Java?
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Handle with care: it'll throw an Exception at you if the file name has no suffix.
– Andreas Dolk
Jun 2 '09 at 22:44
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How to get number of rows using SqlDataReader in C#
...defined except for one that states to do a while loop with Read() method and increment a counter.
6 Answers
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Whether a variable is undefined [duplicate]
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jQuery.val() and .text() will never return 'undefined' for an empty selection. It always returns an empty string (i.e. ""). .html() will return null if the element doesn't exist though.You need to do:
if(page_name != '')
For other va...