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Error to install Nokogiri on OSX 10.9 Maverick?
...bxml2 is missing. please visit nokogiri.org/tutorials/installing_nokogiri.html for help with installing dependencies." Still getting same error.
– Pop-A-Stash
May 6 '14 at 16:58
1...
Rails Model find where not equal
...In Rails 4.x (See http://edgeguides.rubyonrails.org/active_record_querying.html#not-conditions)
GroupUser.where.not(user_id: me)
In Rails 3.x
GroupUser.where(GroupUser.arel_table[:user_id].not_eq(me))
To shorten the length, you could store GroupUser.arel_table in a variable or if using inside ...
Connect to a heroku database with pgadmin
... SSL tab in the connection config dialog. [1] pgadmin.org/docs/dev/connect.html
– hgmnz
Aug 2 '12 at 3:58
When I click...
What is AssemblyInfo.cs used for?
... the version number, and it is updated automatically in your site.
In the html page, to get the version number, write:
Assembly assembly = Assembly.GetAssembly(typeof(ProjectName.WebSite.Controllers.MyController));
string version = assembly.GetName().Version.ToString();
and it will be updated e...
What is the coolest thing you can do in
...o the same thing: The first is the IE API, the second is the NetScape API. HTML5 uses contentEditable, so unless you care about supporting Firefox 1.5 or something, the actual code amounts to: document.body.contentEditable='true';
– Zarel
Dec 31 '11 at 1:25
...
Importing a GitHub project into Eclipse
...
@user470184: See vogella.de/articles/Eclipse/article.html#firstjava: when creating a new project, you can specify what source directory it needs to consider. If you create that project on the same directory than the one including the .git, and if you configure it to reference t...
What does the filter parameter to createScaledBitmap do?
...://today.java.net/pub/a/today/2007/04/03/perils-of-image-getscaledinstance.html for details.)
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How to get the index of a maximum element in a numpy array along one axis
...each row.
http://docs.scipy.org/doc/numpy/reference/generated/numpy.argmax.html
If you ever need to do this for a shaped array, this works better than unravel:
import numpy as np
a = np.array([[1,2,3], [4,3,1]]) # Can be of any shape
indices = np.where(a == a.max())
You can also change your con...
Check if class already assigned before adding
...ulating a DOM element via JavaScript. If you have class="collapse" in your HTML, calling Element.classList.add("collapse"); will not add an additional collapse class. I don't know the underlying implementation, but I suppose it should be good enough.
JQuery makes some necessary checks in its addClas...
Maven: missing net.sf.json-lib
...maven.apache.org/plugins/maven-install-plugin/examples/specific-local-repo.html
mvn install:install-file -Dfile=path-to-your-artifact-jar
-DgroupId=your.groupId
-DartifactId=your-artifactId
-Dversion=version
...