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Coding Katas for practicing the refactoring of legacy code
I've gotten quite interested in coding katas in recent months. I believe they are a great way to hone my programming skills and improve the quality of the code I write on the job.
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Alter column, add default constraint
I have a table and one of the columns is "Date" of type datetime. We decided to add a default constraint to that column
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How to do error logging in CodeIgniter (PHP)
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CodeIgniter has some error logging functions built in.
Make your /application/logs folder writable
In /application/config/config.php set $config['log_threshold'] = 1; or use a higher number, depending on how much detail you want in your logs
Use log_message(...
How to fire AJAX request Periodically?
This script reloads or refresh the page after every 5 seconds. But I want to do it using jQuery and AJAX call. Is it possible?
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Change a column type from Date to DateTime during ROR migration
I need to change my column type from date to datetime for an app I am making. I don't care about the data as its still being developed.
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Avoid line break between html elements
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There are several ways to prevent line breaks in content. Using   is one way, and works fine between words, but using it between an empty element and some text does not have a well-defined effect. The same would apply to the more logical and more accessible approach where y...
vs in Generics
What is the difference between <out T> and <T> ? For example:
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How to alias a table in Laravel Eloquent queries (or using Query Builder)?
Lets say we are using Laravel's query builder:
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How to generate an openSSL key using a passphrase from the command line?
First - what happens if I don't give a passphrase? Is some sort of pseudo random phrase used? I'm just looking for something "good enough" to keep casual hackers at bay.
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Counting Chars in EditText Changed Listener
In my project I have an EditText . I want to count the characters in the EditText , and show that number it in a TextView . I have written the following code and it works fine. However, my problem is when I click Backspace it counts up, but I need to decrement the number. How can I consider Ba...