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Export specific rows from a PostgreSQL table as INSERT SQL script
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Create a table with the set you want to export and then use the command line utility pg_dump to export to a file:
create table export_table as
select id, name, city
from nyummy.cimory
where city = 'tokyo'
$ pg_dump --table=export_table -...
What's Pros and Cons: putting javascript in head and putting just before the body close
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From Yahoo's Best Practices for Speeding Up Your Web Site:
The problem caused by scripts is that
they block parallel downloads. The
HTTP/1.1 specification suggests that
browsers download no more than two
components in parallel per hostname.
If you serve your images...
Best documentation for Boost:asio?
The documentation available on the boost website is... limited.
9 Answers
9
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Compile Views in ASP.NET MVC
...ompiled into the assembly (= faster warmup) and Resharper provides some additional help as well.
To use this include the RazorGenerator nuget package in you ASP.NET MVC project and install the "Razor Generator" extension under item under Tools → Extensions and Updates.
We use this and the overhe...
Stop form refreshing page on submit
...o about preventing the page from refreshing when pressing the send button without any data in the fields?
20 Answers
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How to programmatically send a 404 response with Express/Node?
...'s a dedicated status function for this on the response object. Just chain it in somewhere before you call send.
res.status(404) // HTTP status 404: NotFound
.send('Not found');
share
|
i...
How to get the source directory of a Bash script from within the script itself?
... which will give you the full directory name of the script no matter where it is being called from.
It will work as long as the last component of the path used to find the script is not a symlink (directory links are OK). If you also want to resolve any links to the script itself, you need a multi-...
Setting an environment variable before a command in Bash is not working for the second command in a
...ommand. Recently I learned about the concept of prepending a variable definition to a command:
6 Answers
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How does type Dynamic work and how to use it?
I heard that with Dynamic it is somehow possible to do dynamic typing in Scala. But I can't imagine how that might look like or how it works.
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Get Specific Columns Using “With()” Function in Laravel Eloquent
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Well I found the solution. It can be done one by passing a closure function in with() as second index of array like
Post::with(array('user'=>function($query){
$query->select('id','username');
}))->get();
It will only select id...