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notifyDataSetChanged example
...ing to use in my Android Application the notifyDataSetChanged() method for an ArrayAdapter but it doesn't work for me.
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How to get the mysql table columns data type?
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You can use the information_schema columns table:
SELECT DATA_TYPE FROM INFORMATION_SCHEMA.COLUMNS
WHERE table_name = 'tbl_name' AND COLUMN_NAME = 'col_name';
sha...
How to calculate a time difference in C++
...) - begin_time ) / CLOCKS_PER_SEC;
If you want calculate execution time for self ( not for user ), it is better to do this in clock ticks ( not seconds ).
EDIT:
responsible header files - <ctime> or <time.h>
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Java: Literal percent sign in printf statement
...ce);
The complete syntax can be accessed in java docs. This particular information is in the section Conversions of the first link.
The reason the compiler is generating an error is that only a limited amount of characters may follow a backslash. % is not a valid character.
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Convert SQLITE SQL dump file to POSTGRESQL
...INCREMENT commands, so these need to be removed.
You'll also want to check for datetime columns in the SQLite schema and change them to timestamp for PostgreSQL. (Thanks to Clay for pointing this out.)
If you have booleans in your SQLite then you could convert 1 and 0 to 1::boolean and 0::boolean (r...
SOAP vs REST (differences)
...eb service communication protocol, but I think that the biggest advantages for REST over SOAP are:
11 Answers
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How to write a:hover in inline CSS?
... and use stylesheets to apply the style.
:hover is a pseudo-selector and, for CSS, only has meaning within the style sheet. There isn't any inline-style equivalent (as it isn't defining the selection criteria).
Response to the OP's comments:
See Totally Pwn CSS with Javascript for a good script ...
Difference between style = “position:absolute” and style = “position:relative”
...ied), or the document body (browser viewport) if no such ancestor exists.
For example, if I had this code:
<body>
<div style="position:absolute; left: 20px; top: 20px;"></div>
</body>
...the <div> would be positioned 20px from the top of the browser viewport, and ...
How to detect if multiple keys are pressed at once using JavaScript?
...reated to keep track of multiple keys. The array can then be used to check for one or more keys at once.
Just to explain, let's say you press A and B, each fires a keydown event that sets map[e.keyCode] to the value of e.type == keydown, which evaluates to either true or false. Now both map[65] and ...
How can I get a resource content from a static context?
I want to read strings from an xml file before I do much of anything else like setText on widgets, so how can I do that without an activity object to call getResources() on?
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