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Check if something is (not) in a list in Python

... @Zack: if you didn't know about this, you could just do if not ELEMENT in COLLECTION: – ninjagecko May 2 '12 at 0:23 ...
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Hibernate lazy-load application design

...aused by lazyness) you're hinting to, but for me the biggest pain is to avoid losing session context in my own application caches. Typical case: object foo is loaded and put into a map; another thread takes this object from the map and calls foo.getBar() (something that was never called before and...
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How to PUT a json object with an array using curl

...-X PUT \ -d '{"tags":["tag1","tag2"],"question":"Which band?","answers":[{"id":"a0","answer":"Answer1"},{"id":"a1","answer":"answer2"}]}' \ http://example.com/service share | improve this answer ...
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How to terminate a python subprocess launched with shell=True

...al to all the process in the groups. For that, you should attach a session id to the parent process of the spawned/child processes, which is a shell in your case. This will make it the group leader of the processes. So now, when a signal is sent to the process group leader, it's transmitted to all o...
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form_for with nested resources

...er.rb app/controllers/comments_controller.rb just as it says at http://guides.rubyonrails.org/routing.html#nested-resources, with no special namespaces. But partials and forms become tricky. Note the square brackets: <%= form_for [@article, @comment] do |f| %> Most important, if you want...
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angularjs: ng-src equivalent for background-image:url(…)

... ng-src which has the purpose that you won't receive an error for an invalid url before angularjs gets to evaluate the variables placed in between {{ and }} . ...
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Linux下部署企业级邮件服务器(postfix + dovecot + extmail) - 开源 & Gith...

...些修改,导致的一些麻烦 1、建立postfix用户,并且指定UID,GID为2525,组postdrop groupadd -g 2525 postfix useradd -g postfix -u 2525 -s /sbin/nologin -M postfix groupadd -g 2526 postdrop useradd -g postdrop -u 2526 -s /sbin/nologin -M postdrop 2、解压编译安装po...
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Finding the Eclipse Version Number

...eclipseproduct in the main folder, and it contains: name=Eclipse Platform id=org.eclipse.platform version=3.x.0 So that seems more straightforward than my original answer below. Also, Neeme Praks mentions below that there is a eclipse/configuration/config.ini which includes a line like: eclipse...
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How do I submit disabled input in ASP.NET MVC?

...net asp and I never knew that disabled inputs don't get poste back... how did that pass me? Just include a Hidden field for the disabled select and its all sorted.(Even though the ID's are repeated on the form which is not allowed) – Piotr Kula Jun 10 '13 at 15...
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Android: Create spinner programmatically from array

I'm all new to Android and I'm trying to create a spinner programmatically and feeding it with data from an array, but Eclipse gives me a warning that I can't handle. ...