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What is the exact difference between currentTarget property and target property in javascript
... margin: 10px;
border: 1px solid blue;
}
</style>
<form onclick="alert('form')">FORM
<div onclick="alert('div')">DIV
<p onclick="alert('p')">P</p>
</div>
</form>
If click on the P tag in above code then you will get three a...
Group query results by month and year in postgresql
..._char(date,'Mon') as mon, : converts the "date" attribute into the defined format of the short form of month.
extract(year from date) as yyyy : Postgresql's "extract" function is used to extract the YYYY year from the "date" attribute.
sum("Sales") as "Sales" : The SUM() function adds up all the "...
Html helper for
...ic HttpPostedFileBase File { get; set; }
}
HTML View:
@using (Html.BeginForm("Action", "Controller", FormMethod.Post, new
{ enctype = "multipart/form-data" }))
{
@Html.TextBoxFor(m => m.File, new { type = "file" })
@Html.ValidationMessageFor(m =&...
PHP mkdir: Permission denied problem
...me:
User <YOUR LOGIN USERNAME>
Now restart apache by running this form terminal:
sudo apachectl -k restart
If it still doesn't work,
I happen to do the following before I did the above. Could be related.
Open terminal and run the following commands:
(note, my webserver files are located...
What is this operator in MySQL?
...his, which works exactly like MySQL's <=> operator, in the following form:
IS [NOT] DISTINCT FROM
The following is universally supported, but is relative complex:
CASE WHEN (a = b) or (a IS NULL AND b IS NULL)
THEN 1
ELSE 0
END = 1
...
Why does string::compare return an int?
...econd sizeof( int ) (because of
integral promotion).
These two issues are formally orthogonal; rvalues and lvalues
have nothing to do with integral promotion. Except...
integral promotion only applies to rvalues, and most (but not
all) of the cases where you would use an rvalue will result in
inte...
Why is subtracting these two times (in 1927) giving a strange result?
...ticed this because I'm collecting questions like this in Noda Time, in the form of unit tests... The test has now been changed, but it just goes to show - not even historical data is safe.
EDIT: History has changed again...
In TZDB 2014f, the time of the change has moved to 1900-12-31, and it's no...
How to get started with developing Internet Explorer extensions?
...ctions.Generic;
using System.Runtime.InteropServices;
using System.Windows.Forms;
using Microsoft.Win32;
using mshtml;
using SHDocVw;
namespace InternetExplorerExtension
{
[ComVisible(true)]
[ClassInterface(ClassInterfaceType.None)]
[Guid("D40C654D-7C51-4EB3-95B2-1E23905C2A2D")]
[Pr...
Finding all cycles in a directed graph
...actical algorithms which apply various enhancements in order to improve performance and avoid cycle duplication. I was surprised to find out some time ago that these algorithms are not readily available in textbooks and on the web. So I did some research and implemented 4 such algorithms and 1 algor...
Getting Checkbox Value in ASP.NET MVC 4
I'm working on an ASP.NET MVC 4 app. This app has a basic form. The model for my form looks like the following:
18 Answers
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