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Get value from hidden field using jQuery
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Use val() instead of text()
var hv = $('#h_v').val();
alert(hv);
You had these problems:
Single quotes was not closed
You were using text() for an input field
You were echoing x rather than variable hv
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Should I use JSLint or JSHint JavaScript validation? [closed]
...his answer has been edited. I'm leaving the original answer below for context (otherwise the comments wouldn't make sense).
When this question was originally asked, JSLint was the main linting tool for JavaScript. JSHint was a new fork of JSLint, but had not yet diverged much from the original.
Si...
How can I display an RTSP video stream in a web page?
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VLC also comes with an ActiveX plugin that can display the feed in a web page:
http://wiki.videolan.org/ActiveX/HTML
<OBJECT classid="clsid:9BE31822-FDAD-461B-AD51-BE1D1C159921"
codebase="http://downloads.videolan.org/pub/videolan/vlc/latest/wi...
How to show particular image as thumbnail while implementing share on Facebook?
...on-facebook.gif" />
The name of the image must be the same as in the example.
Click "Making Sure the Preview Works"
Note: Tags can be correct but Facebook only scrapes every 24 hours, according to their documentation. Use the Facebook Lint page to get the image into Facebook.
http://develope...
Bash continuation lines
..., then let's look at string concatenation. In bash, placing two strings next to each other concatenate:
$ echo "continuation""lines"
continuationlines
So a continuation line without an indent is one way to break up a string:
$ echo "continuation"\
> "lines"
continuationlines
But when an in...
PopupWindow - Dismiss when clicked outside
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thats it! thnx man! in this case, even touch events can be handled properly. popupWindow.setOutsideTouchable(true); popupWindow.setTouchable(true); popupWindow.setBackgroundDrawable(new BitmapDrawable()); popupWindow.setTouc...
How to count number of files in each directory?
...version from the above, so: ( hint: its sorted by name and its in csv) for x in find . -maxdepth 1 -type d | sort; do y=find $x | wc -l; echo $x,$y; done
– pcarvalho
May 11 '13 at 17:25
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Changing the image source using jQuery
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You can use jQuery's attr() function. For example, if your img tag has an id attribute of 'my_image', you would do this:
<img id="my_image" src="first.jpg"/>
Then you can change the src of your image with jQuery like this:
$("#my_image").attr("src","second.j...
How do I parse XML in Python?
I have many rows in a database that contains XML and I'm trying to write a Python script to count instances of a particular node attribute.
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An expression tree may not contain a call or invocation that uses optional arguments
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The underlying expression tree API does not support optional arguments.
For IL-compiled code the C# compiler inserts the default values at compile time (hard-coded), because the CLR does not support calling methods with optional arguments e...