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How to create local notifications?
...as 10 and with default notification sound.
This code works fine for iOS 7.x and below but for iOS 8 it will prompt following error on console:
Attempting to schedule a local notification with an alert but haven't received permission from the user to display alerts
This means you need registe...
Add subdomain to localhost URL
...riting an web application that behaves differently depending on a url prefix. The format is something like:
5 Answers
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Response.Redirect with POST instead of Get?
... request) with HTTP Status Code 302, which tells the browser where to go next. By definition, the browser will make that via a GET request, even if the original request was a POST.
Another option is to use HTTP Status Code 307, which specifies that the browser should make the redirect request in t...
How can I combine hashes in Perl?
...ces ...
$hash_ref1 = { %$hash_ref1, %$hash_ref2 };
Overview
Context: Perl 5.x
Problem: The user wishes to merge two hashes1 into a single variable
Solution
use the syntax above for simple variables
use Hash::Merge for complex nested variables
Pitfalls
What do to when both hashes c...
How do I force Postgres to use a particular index?
How do I force Postgres to use an index when it would otherwise insist on doing a sequential scan?
6 Answers
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Can I set null as the default value for a @Value in Spring?
I'm currently using the @Value Spring 3.1.x annotation like this:
5 Answers
5
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Create new tmux session from inside a tmux session
...ches or switches to a given session, depending on whether one is inside tmux and the session exists.
6 Answers
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Can an AJAX response set a cookie?
Can an AJAX response set a cookie? If not, what is my alternative solution? Should I set it with Javascript or something similar?
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Understanding MongoDB BSON Document size limit
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First off, this actually is being raised in the next version to 8MB or 16MB ... but I think to put this into perspective, Eliot from 10gen (who developed MongoDB) puts it best:
EDIT: The size has been officially 'raised' to 16MB
So, on your blog example, 4MB is
actual...
Generating a UUID in Postgres for Insert statement?
...it.
For modern PostgreSQL versions (9.1 and newer) that's easy:
CREATE EXTENSION IF NOT EXISTS "uuid-ossp";
but for 9.0 and below you must instead run the SQL script to load the extension. See the documentation for contrib modules in 8.4.
For Pg 9.1 and newer instead read the current contrib d...