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How to determine the first and last iteration in a foreach loop?
...rray_shift and array_pop. Though this is the solution I'd came up if I had to implement such a thing, I'd stick with the Rok Kralj's answer now on.
– shadyyx
May 15 '13 at 14:27
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Postgres: clear entire database before re-creating / re-populating from bash script
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This is how I do it as well. Then just restore into the newly created db.
– Arthur Thomas
Jan 13 '10 at 17:13
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How to clean project cache in Intellij idea like Eclipse's clean?
...he IDE makes some error because of the cache. In Eclipse, we can use clean to solve the problem. But how can I do this in IntelliJ?
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Database design for audit logging
Every time I need to design a new database I spend quite some time
thinking on how I should set up the database schema to keep an audit log of
the changes.
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Regex to validate date format dd/mm/yyyy
I need to validate a date string for the format dd/mm/yyyy with a regular expresssion.
20 Answers
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Print a file, skipping the first X lines, in Bash [duplicate]
I have a very long file which I want to print, skipping the first 1,000,000 lines, for example.
13 Answers
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Clear the cache in JavaScript
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You can call window.location.reload(true) to reload the current page. It will ignore any cached items and retrieve new copies of the page, css, images, JavaScript, etc from the server. This doesn't clear the whole cache, but has the effect of clearing the cache for...
What is the equivalent of the C# 'var' keyword in Java?
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There is none. Alas, you have to type out the full type name.
Edit: 7 years after being posted, type inference for local variables (with var) was added in Java 10.
Edit: 6 years after being posted, to collect some of the comments from below:
The rea...
Extract digits from a string in Java
I have a Java String object. I need to extract only digits from it. I'll give an example:
14 Answers
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What is two way binding?
...does the UI.
When UI elements get updated, the changes get propagated back to the model.
Backbone doesn't have a "baked-in" implementation of #2 (although you can certainly do it using event listeners). Other frameworks like Knockout do wire up two-way binding automagically.
In Backbone, you c...