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Dialog to pick image from gallery or from camera
...hoose either to pick an image from the camera or to get from gallery (like in build-in phone book or Skype)?
6 Answers
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How to check if a string is a valid hex color representation?
...#[0-9A-F]{6}$/i.test('#AABBCC')
To elaborate:
^ -> match beginning
# -> a hash
[0-9A-F] -> any integer from 0 to 9 and any letter from A to F
{6} -> the previous group appears exactly 6 times
$ -> match end
i -> ignore case
If you ne...
Error-Handling in Swift-Language
I haven't read too much into Swift but one thing I noticed is that there are no exceptions.
So how do they do error handling in Swift? Has anyone found anything related to error-handling?
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MYSQL Dump only certain rows
I am trying to do a mysql dump of a few rows in my database. I can then use the dump to upload those few rows into another database. The code I have is working, but it dumps everything. How can I get mysqldump to only dump certain rows of a table?
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Is it better to return null or empty collection?
That's kind of a general question (but I'm using C#), what's the best way (best practice), do you return null or empty collection for a method that has a collection as a return type ?
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Rails - controller action name to string
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Or 'controller.action_name' in Rails 3.0. This is the best way to access the action name in the view.
– emk
Feb 1 '11 at 19:59
2
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Is it possible to reference one CSS rule within another?
For example if I have the following HTML:
7 Answers
7
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How do you select a particular option in a SELECT element in jQuery?
If you know the Index, Value or Text. also if you don't have an ID for a direct reference.
21 Answers
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Why can tuples contain mutable items?
If a tuple is immutable then why can it contain mutable items?
8 Answers
8
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How to make connection to Postgres via Node.js
I find myself trying to create a postgres database, so I installed postgres and started a server with initdb /usr/local/pgsql/data , then I started that instance with postgres -D /usr/local/pgsql/data now how can I interact with this through node? For example, what would the connectionstring be...