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What is the proper way to check for existence of variable in an EJS template (using ExpressJS)?
On the EJS github page, there is one and only one simple example:
https://github.com/visionmedia/ejs
13 Answers
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How can I use interface as a C# generic type constraint?
...y interface".
This ("where T : class") is used, for example, in WCF to limit clients to service contracts (interfaces).
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Overriding id on create in ActiveRecord
... is just attr_protected, which is why you can't use mass-assignment to set it. However, when setting it manually, it just works:
o = SomeObject.new
o.id = 8888
o.save!
o.reload.id # => 8888
I'm not sure what the original motivation was, but I do this when converting ActiveHash models to Activ...
No module named pkg_resources
I'm deploying a Django app to a dev server and am hitting this error when I run pip install -r requirements.txt :
34 Answe...
Handling a colon in an element ID in a CSS selector [duplicate]
... that colon looks like the beginning of a pseudo-element to the browser so it gets marked invalid and ignored. Is there anyway to escape the colon or something?
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git pull while not in a git directory
Let's say I have a directory, /X/Y , which is a git repository. Is it possible to somehow call a command like git pull from inside /X , but targeting the /X/Y directory?
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Finding JavaScript memory leaks with Chrome
...r your example, I have adapted the code to show this process (you can find it here) delaying the creation of the Backbone View until the click event of the Start button. Now:
Run the HTML (saved locally of using this address) and take a snapshot.
Click Start to create the view.
Take another snapsh...
How can a windows service programmatically restart itself?
I need to write robust code in .NET to enable a windows service (server 2003) to restart itself. What is the best way to so this? Is there some .NET API to do it?
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How to sort an array in descending order in Ruby
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It's always enlightening to do a benchmark on the various suggested answers. Here's what I found out:
#!/usr/bin/ruby
require 'benchmark'
ary = []
1000.times {
ary << {:bar => rand(1000)}
}
n = 500
Benchmark...
How to escape indicator characters (i.e. : or - ) in YAML
... assign a URL. The problem is that YAML interprets : and - characters as either creating mappings or lists, so it has a problem with the line
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