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Heroku free account limited?
... see Heroku provides free account features, but I don't see any detail on bandwidth, disk spaces, requests?
4 Answers
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What does a space mean in a CSS selector? i.e. What is the difference between .classA.classB and .cl
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.classA.classB refers to an element that has both classes A and B (class="classA classB"); whereas .classA .classB refers to an element with class="classB" descended from an element with class="classA".
Edit: Spec for reference: Attribute Selectors (See section 5.8.3 Class Selectors)...
How do I create a new branch?
...ur-branch-name
The main branch of a project is referred to as the trunk, and is usually located in:
(svn/http)://path-to-repo/trunk
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CSRF protection with CORS Origin header vs. CSRF token
...the day you have to "trust" the client browser to safely store user's data and protect the client-side of the session. If you don't trust the client browser, then you should stop using the web at all for anything other than static content. Even with using CSRF tokens, you are trusting the client bro...
How to bind a List to a ComboBox?
I want to connect a BindingSource to a list of class objects and then objects value to a ComboBox.
Can anyone suggest how to do it?
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Loadbalancing web sockets
...ion is deterministic (using hashed source-IP-port), it will work with TCP (and hence WebSocket).
Also note that a 64k hard limit only applies to outgoing TCP/IP for a given (source) IP address. It does not apply to incoming TCP/IP. We have tested Autobahn (a high-performance WebSocket server) with ...
Rails bundle install production only
I'm still new to rails/ruby/bundler and am a little confused.
2 Answers
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Ruby Regexp group matching, assign variables on 1 line
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Beware that if no matches are found, match returns nil and you get a NilError. If you are in Rails, I suggest you to change: one, two, three = string.match(/(^.*)(:)(.*)/i).captures into: one, two, three = string.match(/(^.*)(:)(.*)/i).try(:captures)
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How to drop column with constraint?
...ect_id
WHERE
dc.parent_object_id = OBJECT_ID('tbloffers')
AND c.name = N'checkin'
IF @@ROWCOUNT = 0 BREAK
EXEC (@sql)
END
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Angular.js: How does $eval work and why is it different from vanilla eval?
... $scope.$eval you so often see in directives, so I checked out the source and found the following in rootScope.js :
3 Ans...