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Direct casting vs 'as' operator?
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The as keyword is good in asp.net when you use the FindControl method.
Hyperlink link = this.FindControl("linkid") as Hyperlink;
if (link != null)
{
...
}
This means you can operate on the typed variable rather then having to then cast it from obj...
Normalize data in pandas
...frame has strings in some columns, see this answer
– netskink
Jul 22 '18 at 0:21
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Controlling a USB power supply (on/off) with Linux
...ing to this post, without special hardware it isn't possible? blog.andrew.net.au/2009/01/17
– NoBugs
Dec 31 '11 at 21:09
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How do you render primitives as wireframes in OpenGL?
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From http://cone3d.gamedev.net/cgi-bin/index.pl?page=tutorials/ogladv/tut5
// Turn on wireframe mode
glPolygonMode(GL_FRONT, GL_LINE);
glPolygonMode(GL_BACK, GL_LINE);
// Draw the box
DrawBox();
// Turn off wireframe mode
glPolygonMode(GL_FRONT, GL_...
Calling JMX MBean method from a shell script
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jmxterm doesn't seem to work on Java 7 bugs.launchpad.net/jmxterm/+bug/942693
– artbristol
Jun 24 '13 at 12:19
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What is the difference between varchar and varchar2 in Oracle?
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Currently, they are the same. but previously
Somewhere on the net, I read that,
VARCHAR is reserved by Oracle to support distinction between NULL and empty string in future, as ANSI standard prescribes.
VARCHAR2 does not distinguish between a NULL and empty string, and never will. ...
How to include js file in another js file? [duplicate]
...nvironment, I can see that **the order of execution of the scripts in Internet Explorer 8 can differ in the inclusion of the JavaScript*. It is a very difficult issue if you need include scripts that are dependent on one another. The issue is described in Loading Javascript files in parallel, and th...
What is SQL injection? [duplicate]
...comment causing the database server to ignore the rest of the string. The net result is the user can now log in as the administrator without having to know the password. SQL Inection can also be used to execute UPDATE, DELETE or DROP queries and really damage the database.
SQL Injection can be pr...
Advantages of Binary Search Trees over Hash Tables
...for the article - web.archive.org/web/20100323091632/http://www.concentric.net/…
– rahulroy9202
Sep 13 '16 at 5:59
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Input with display:block is not a block, why not?
...r-box; /* Firefox 2 */
-ms-box-sizing: border-box; /* Internet Explorer 8 */
-webkit-box-sizing: border-box; /* Safari 3 */
-khtml-box-sizing: border-box; /* Konqueror */
}
</style>
<!-- The voodoo gets scary. Forc...