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How do I automatically update a timestamp in PostgreSQL

I want the code to be able to automatically update the time stamp when a new row is inserted as I can do in MySQL using CURRENT_TIMESTAMP. ...
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Get value from JToken that may not exist (best practices)

What's the best practice for retrieving JSON values that may not even exist in C# using Json.NET ? 6 Answers ...
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What is this CSS selector? [class*=“span”]

... It's an attribute wildcard selector. In the sample you've given, it looks for any child element under .show-grid that has a class that CONTAINS span. So would select the <strong> element in this example: <div class="show-grid"&g...
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How to format current time using a yyyyMMddHHmmss format?

I'm trying to format the current time using this format yyyyMMddHHmmss . 4 Answers 4 ...
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Format a date using the new date time API

I was playing with the new date time API but when running this: 3 Answers 3 ...
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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 6 ...
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How to do error logging in CodeIgniter (PHP)

... 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(...
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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. ...