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Is there more to an interface than having the correct methods
...Another common use of interfaces is for Callbacks. For example, java.swing.table.TableCellRenderer, which allows you to influence how a Swing table displays the data in a certain column. You implement that interface, pass an instance to the JTable, and at some point during the rendering of the table...
Best database field type for a URL
I need to store a url in a MySQL table. What's the best practice for defining a field that will hold a URL with an undetermined length?
...
How to get share counts using graph API
...er is possible with the Graph API through the fql end-point (the link_stat table):
https://graph.facebook.com/fql?q=SELECT url, normalized_url, share_count, like_count, comment_count, total_count,commentsbox_count, comments_fbid, click_count FROM link_stat WHERE url='http://www.google.com'
tota...
What is the benefit of zerofill in MySQL?
....
Here is some example SQL that demonstrates the use of ZEROFILL:
CREATE TABLE yourtable (x INT(8) ZEROFILL NOT NULL, y INT(8) NOT NULL);
INSERT INTO yourtable (x,y) VALUES
(1, 1),
(12, 12),
(123, 123),
(123456789, 123456789);
SELECT x, y FROM yourtable;
Result:
x y
00000001 ...
How do I determine the dependencies of a .NET application?
...xe
Example output (.exe):
$ monodis --assemblyref monop.exe
AssemblyRef Table
1: Version=4.0.0.0
Name=System
Flags=0x00000000
Public Key:
0x00000000: B7 7A 5C 56 19 34 E0 89
2: Version=4.0.0.0
Name=mscorlib
Flags=0x00000000
Public Key:
0x00000000: B7 7A 5C 56 19 34 E0 89
...
I do not want to inherit the child opacity from the parent in CSS
...nt effects.
.wrapper {
width: 630px;
height: 420px;
display: table;
background: linear-gradient(
rgba(0,0,0,.8),
rgba(0,0,0,.8)),
url('http://cdn.moviestillsdb.com/sm/35bc3c6a2b791425de6caf8b9391026e/rambo-iii.jpg');
}
h1 {
display: table-cell;
vertical-a...
How to exit if a command failed?
...
set -e is not at all reliable, consistent or predictable! To convince yourself of that, review the exercises section of BashFAQ #105, or the table comparing different shells' behaviors at in-ulm.de/~mascheck/various/set-e
– Charles Duffy
...
Select parent element of known element in Selenium
... tag with the help of Selenium as follows:
driver.findElement(By.xpath("//table[@id='abc']//div/nobr[.='abc']/../.."));
this will help you to find the grandparent of the known Element. Just Remove one (/..) to find the immediate Parent Element.
Like:
driver.findElement(By.xpath("//table[@id='ab...
Entity Framework - Code First - Can't Store List
...types. You can either create an entity (which will be saved to a different table) or do some string processing to save your list as a string and populate the list after the entity is materialized.
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Call a stored procedure with parameter in c#
...eries in a variety of fashions.
A stored procedure is a pre-compiled executable object that contains one or more SQL statements. In many cases stored procedures accept input parameters and return multiple values . Parameter values can be supplied if a stored procedure is written to accept them. A s...