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Check if a string is null or empty in XSLT
...me == null || categoryName.equals(""))
For more details e.g., distinctly identifying null vs. empty, see johnvey's answer below and/or the XSLT 'fiddle' I've adapted from that answer, which includes the option in Michael Kay's comment as well as the sixth possible interpretation.
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How to make a DIV visible and invisible with JavaScript
...t then
[DIV].style.visibility='visible'
OR
[DIV].style.visibility='hidden'
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How to affect other elements when one element is hovered
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If the cube is directly inside the container:
#container:hover > #cube { background-color: yellow; }
If cube is next to (after containers closing tag) the container:
#container:hover + #cube { background-color: yellow; }
If the cube is somewhe...
android fragment- How to save states of views in a fragment when another fragment is pushed on top o
In android, a fragment (say FragA ) gets added to the backstack and another fragment (say FragB ) comes to the top. Now on hitting back FragA comes to the top and the onCreateView() is called. Now I had FragA in a particular state before FragB got pushed on top of it.
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Auto increment in phpmyadmin
...to limit such number.
It is perfectly safe, and common practice to set an id number as a primiary key, auto incrementing int. There are alternatives such as using PHP to generate membership numbers for you in a specific format and then checking the number does not exist prior to inserting, however ...
How can I record a Video in my Android App.?
How can I capture a video recording on Android?
10 Answers
10
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How do I use an INSERT statement's OUTPUT clause to get the identity value?
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You can either have the newly inserted ID being output to the SSMS console like this:
INSERT INTO MyTable(Name, Address, PhoneNo)
OUTPUT INSERTED.ID
VALUES ('Yatrix', '1234 Address Stuff', '1112223333')
You can use this also from e.g. C#, when you need to get t...
How to center align the ActionBar title in Android?
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<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_gravity="center"
android:orientation="vertical">
<android....
What is the best way to remove a table row with jQuery?
...re right:
$('#myTableRow').remove();
This works fine if your row has an id, such as:
<tr id="myTableRow"><td>blah</td></tr>
If you don't have an id, you can use any of jQuery's plethora of selectors.
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Generate GUID in MySQL for existing Data?
I've just imported a bunch of data to a MySQL table and I have a column "GUID" that I want to basically fill down all existing rows with new and unique random GUID's.
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