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How to implement Android Pull-to-Refresh
In Android applications such as Twitter (official app), when you encounter a ListView, you can pull it down (and it will bounce back when released) to refresh the content.
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How do I spool to a CSV formatted file using SQLPLUS?
I want to extract some queries to a CSV output format. Unfortunately, I can't use any fancy SQL client or any language to do it. I must use SQLPLUS.
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Difference between Key, Primary Key, Unique Key and Index in MySQL
When should I use KEY , PRIMARY KEY , UNIQUE KEY and INDEX ?
8 Answers
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How to impose maxlength on textArea in HTML using JavaScript
I would like to have some functionality by which if I write
15 Answers
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Is an HTTPS query string secure?
I am creating a secure web based API that uses HTTPS; however, if I allow the users to configure it (include sending password) using a query string will this also be secure or should I force it to be done via a POST?
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Email validation using jQuery
I'm new to jQuery and was wondering how to use it to validate email addresses.
35 Answers
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Android Facebook integration with invalid key hash
In one of my apps I need to get data from Facebook... I am doing this:
25 Answers
25
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Using Regex to generate Strings rather than match them
I am writing a Java utility which helps me to generate loads of data for performance testing. It would be really cool to be able to specify a regex for Strings so that my generator spits out things which match this. Is there something out there already baked which I can use to do this? Or is th...
How to overload __init__ method based on argument type?
Let's say I have a class that has a member called data which is a list.
10 Answers
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In Java, how do I convert a byte array to a string of hex digits while keeping leading zeros? [dupli
I'm working with some example java code for making md5 hashes. One part converts the results from bytes to a string of hex digits:
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