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When do you use Java's @Override annotation and why?
... @Jay R.: True. As a matter of fact, e.g. Eclipse can even automatically add the @Override if it is missing.
– sleske
Oct 8 '09 at 16:01
32
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Is it OK to leave a channel open?
...confuse this
with the close operation for open files. It is important to call the
Close method on every file when you've finished with it.)
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What does @synchronized() do as a singleton method in objective C?
...ed effectively determines what sections of code (or "blocks" as the answer calls them) are protected from concurrent access.
– Arda
Mar 20 '17 at 17:20
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How to remove constraints from my MySQL table?
...I got to solve with this code:
ALTER TABLE `table_name` DROP FOREIGN KEY `id_name_fk`;
ALTER TABLE `table_name` DROP INDEX `id_name_fk`;
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foll...
Migrating from JSF 1.2 to JSF 2.0
...n.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd"
id="YourWebappID"
version="2.5">
Note: when you're using Servlet 3.0 or newer, use the http://xmlns.jcp.org namespace domain instead of http://java.sun.com throughout the above XML snippet.
JSP 2.x to JSP 2.x
If...
How do I iterate through table rows and cells in JavaScript?
...
If you want to go through each row(<tr>), knowing/identifying the row(<tr>), and iterate through each column(<td>) of each row(<tr>), then this is the way to go.
var table = document.getElementById("mytab1");
for (var i = 0, row; row = table.rows[i]; i++) ...
jQuery get textarea text
...u want to convert key strokes to text? Add a button that sends the text inside the textarea to the server when clicked. You can get the text using the value attribute as the poster before has pointed out, or using jQuery's API:
$('input#mybutton').click(function() {
var text = $('textarea#mytex...
How to convert a string or integer to binary in Ruby?
...igits 0-9, it's likely faster to build a lookup table so you don't have to call the conversion functions every time.
lookup_table = Hash.new
(0..9).each {|x|
lookup_table[x] = x.to_s(2)
lookup_table[x.to_s] = x.to_s(2)
}
lookup_table[5]
=> "101"
lookup_table["8"]
=> "1000"
Indexing ...
Select all 'tr' except the first one
...
ideal solution but not supported in IE
tr:not(:first-child) {css}
second solution would be to style all tr's and then override with css for first-child:
tr {css}
tr:first-child {override css above}
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How can I select and upload multiple files with HTML and PHP, using HTTP POST?
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does it pass w3c validation, or should it be multiple="multiple"?
– vol7ron
Jun 4 '12 at 18:59
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