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How does this CSS produce a circle?
...f 180 pixels?
Let's reformulate that into two questions:
Where do width and height actually apply?
Let's have a look at the areas of a typical box (source):
The height and width apply only on content, if the correct box model is being used (no quirks mode, no old Internet Explorer).
Where d...
How do I alter the position of a column in a PostgreSQL database table?
...e column order is either by
recreating the table, or by adding
columns and rotating data until you
reach the desired layout.
That's pretty weak, but in their defense, in standard SQL, there is no solution for repositioning a column either. Database brands that support changing the ordinal p...
How do I show the changes which have been staged?
...s) against the current HEAD. --staged is a synonym for --cached.
--staged and --cached does not point to HEAD, just difference with respect to HEAD. If you cherry pick what to commit using git add --patch (or git add -p), --staged will return what is staged.
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Importing Maven project into Eclipse
...ect into eclipse. I found 2 ways to do it, one is through running from command line mvn eclipse:eclipse and another is to install maven eclipse plugin from eclipse. What is the difference between the both and which one is preferable?
The maven-eclipse-plugin is a Maven plugin and has always been t...
How to disable text selection highlighting
... located on the top of the Stack Overflow page) or tabs, is there a CSS standard way to disable the highlighting effect if the user accidentally selects the text?
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Ruby on Rails and Rake problems: uninitialized constant Rake::DSL
...
A tweet from DHH earlier. Rake .9.0 breaks Rails and several other things, you need to:
gem "rake", "0.8.7"
in your Gemfile.
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How does the C code that prints from 1 to 1000 without loops or conditional statements work?
...prints from 1 to 1000 without loops or conditionals :
But I don't understand how it works. Can anyone go through the code and explain each line?
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Automatic TOC in github-flavoured-markdown
...ed two options to generate a toc for github-flavored-markdown:
DocToc Command Line Tool (source) requires node.js
Installation:
npm install doctoc
Usage:
npx doctoc . to add table of contents to all markdown files in the current and all sub directories.
DocToc WebApp
If you want to try it on...
github: No supported authentication methods available
i use github and have successfully added and synched files on my laptop in the past.
16 Answers
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the item you requested is not available for purchase
I'm trying to integrate Android Market in-app purchases into my app, but unfortunately coming across an annoying error every time I try to purchase a real inapp product.
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