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The character encoding of the HTML document was not declared
When I click on my form's submit button the following error message appears:
6 Answers
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How do I give text or an image a transparent background using CSS?
Is it possible, using CSS only, to make the background of an element semi-transparent but have the content (text & images) of the element opaque?
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Update just one gem with bundler
I use bundler to manage dependencies in my rails app, and I have a gem hosted in a git repository included as followed:
8 A...
How do I list all tables in a schema in Oracle SQL?
How do i list all tables in a schema in Oracle SQL?
14 Answers
14
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Are there any Java method ordering conventions? [closed]
I've got a large-ish class (40 or so methods) that is part of a package I will be submitting as course-work. Currently, the methods are pretty jumbled up in terms of utility public/private etc. and I want to order them in a sensible way. Is there a standard way of doing this? E.g. normally fields ar...
Can someone give an example of cosine similarity, in a very simple, graphical way?
Cosine Similarity article on Wikipedia
10 Answers
10
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ALTER TABLE without locking the table?
When doing an ALTER TABLE statement in MySQL, the whole table is read-locked (allowing concurrent reads, but prohibiting concurrent writes) for the duration of the statement. If it's a big table, INSERT or UPDATE statements could be blocked for a looooong time. Is there a way to do a "hot alter", li...
Changing the “tick frequency” on x or y axis in matplotlib?
I am trying to fix how python plots my data.
11 Answers
11
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Installing rmagick on Ubuntu
I'm trying to get RMagick setup on Ubuntu 10.04. Looked here but had no joy. I even compiled and installed ImageMagick from source, but the instructions here still didn't help me when I try to install RMagick using RubyGems. I got this error:
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Android WebView style background-color:transparent ignored on android 2.2
I'm struggling to create a WebView with transparent background.
22 Answers
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