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What does java:comp/env/ do?
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Quoting https://web.archive.org/web/20140227201242/http://v1.dione.zcu.cz/java/docs/jndi-1.2/tutorial/beyond/misc/policy.html
At the root context of the namespace
is a binding with the name "comp",
which is bound to a subtree reserve...
Understanding Python super() with __init__() methods [duplicate]
...can be nice. But the main advantage comes with multiple inheritance, where all sorts of fun stuff can happen. See the standard docs on super if you haven't already.
Note that the syntax changed in Python 3.0: you can just say super().__init__() instead of super(ChildB, self).__init__() which IMO is...
What's the difference between window.location and document.location in JavaScript?
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Actually I notice a difference between both, For example if you want to do a navigation to a sandboxed frame from a child frame then you can do this just with document.location but not with window.location
–...
Ruby: require vs require_relative - best practice to workaround running in both Ruby =1.
...ernel
def require_relative(path)
require File.join(File.dirname(caller[0]), path.to_str)
end
end
end
This allows you to use require_relative as you would in ruby 1.9.2 in ruby 1.8 and 1.9.1.
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Difference between abstract class and interface in Python
... @L.DeLeo - are you sure your notion of has-a vs. is-a is correct? I generally view the distinction as has-a = member variable vs. is-a = inheritance (parent class or interface). Think Comparable or List in Java; those are is-a relationships, regardless of whether they're interfaces or abstract cl...
Eclipse add Tomcat 7 blank server name
...me problem getting eclipse to recognize the tomcat7 server. My path to install directory was fine and deleting/renaming the files only did not fix it either.
This is what worked for me:
run the following in terminal:
cd ~/workspace/.metadata/.plugins/org.eclipse.core.runtime/.settings/
rm org...
Razor doesn't understand unclosed html tags
... with you create a public static class MyRenderHelpers in namespace System.Web.Mvc.Html and write a method Html.
namespace System.Web.Mvc.Html
{
public static class MyRenderHelpers
{
public static MvcHtmlString Html(this HtmlHelper helper, string html, bool condition)
{
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Delete all documents from index/type without deleting type
I know one can delete all documents from a certain type via deleteByQuery.
15 Answers
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Jenkins / Hudson environment variables
...lso, any changes you make to $PATH in your local shell (one that you personally ssh into) will not show up in Jenkins.
To change the path that Jenkins uses, you have two options (AFAIK):
1) Edit your /etc/profile file and add the paths that you want there
2) Go to the configuration page of your s...
What is MyAssembly.XmlSerializers.dll generated for?
... the *.XmlSerializers.dll is still generated. My app does reference a ASMX web service. Maybe a bug in VS2015 Update 3?
– Peter
Mar 28 '17 at 13:44
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