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Why is using the rails default_scope often recommend against?
...u have to 'overwrite' or 'undo' the effect of default_scope. After a quick google, you'll likely find out about unscoped. See what happens next:
2.1.1 :002 > User.first.posts.unscoped
Post Load (0.2ms) SELECT "posts".* FROM "posts"
=> Unscoped removes ALL scopes that might normally appl...
GoogleTest: How to skip a test?
Using Google Test 1.6 (Windows 7, Visual Studio C++). How can I turn off a given test? (aka how can I prevent a test from running). Is there anything I can do besides commenting out the whole test?
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Drawing an SVG file on a HTML5 canvas
Is there a default way of drawing an SVG file onto a HTML5 canvas? Google Chrome supports loading the SVG as an image (and simply using drawImage ), but the developer console does warn that resource interpreted as image but transferred with MIME type image/svg+xml .
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Find a Git branch containing changes to a given file
... to see what branch the commit in question was originally created on, then google git-what-branch, but be aware that fast-forward merges can obscure that information.
– Seth Robertson
Jun 6 '11 at 22:10
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How to refer environment variable in POM.xml?
...ve environment variables replace strings in my project files using the com.google.code.maven-replacer-plugin.
Using ${env.foo} or ${env.FOO} didn't work for me. Maven just wasn't finding the variable. What worked was passing the variable in as a command-line parameter in Maven. Here's the setup:
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How Do I 'git fetch' and 'git merge' from a Remote Tracking Branch (like 'git pull')
...nternals - The Refspec (or via github). That is amazingly hard to find via Google.
First, we need to clear up some terminology. For remote-branch-tracking, there are typically 3 different branches to be aware of:
The branch on the remote repo: refs/heads/branchB inside the other repo
Your remote-...
What is git actually doing when it says it is “resolving deltas”?
...ect. It seems to describe how Mercurial works, not Git. It is coming up in Google searches for this issue so I feel the need to reply. Git does not store the differences between commits as deltas; Git is a "whole object" store. As such, Git does not need "snapshots" to show any given file because f...
Why can't I save CSS changes in Firebug? [closed]
...on...) I gave up on Firefox + Firebug and looked for something similar for Google Chrome. Guess what... I just found this great post that shows a nice way of getting this to work ( built into Chrome - there's no need for additional extensions ):
Change CSS and SAVE on local file system using Chrome...
Checkstyle vs. PMD
...rom Instantiations will be best. Earlier it was a commercial tool, but now Google bought Instantiations so CodePro analytix is free now.
Check out http://code.google.com/javadevtools/download-codepro.html
share
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Java: How to convert List to Map
...case this question isn't closed as a duplicate, the right answer is to use Google Collections:
Map<String,Role> mappedRoles = Maps.uniqueIndex(yourList, new Function<Role,String>() {
public String apply(Role from) {
return from.getName(); // or something else
}});
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