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Check whether user has a Chrome extension installed
I am in the process of building a Chrome extension, and for the whole thing to work the way I would like it to, I need an external JavaScript script to be able to detect if a user has my extension installed.
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Configure IIS Express for external access to VS2010 project
I am developing a project in VS2010 and am able to view my site locally via IIS Express. I would like to enable external access over the network.
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Add timestamps to an existing table
...pecified above, Rails will still treat these columns as timestamp columns, and update the values normally.
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private final static attribute vs private final attribute
...ce a static variable without having ever created an instances of the type, and any code referring to the variable is referring to the exact same data. Compare this with an instance variable: in that case, there's one independent version of the variable per instance of the class. So for example:
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Why doesn't the example compile, aka how does (co-, contra-, and in-) variance work?
...r. This declaration as a whole means that Function1 is contravariant in P and covariant in R. Thus, we can derive the following axioms:
T1' <: T1
T2 <: T2'
---------------------------------------- S-Fun
Function1[T1, T2] <: Function1[T1', T2']
Notice that T1' must be a subtype (or the ...
Reading value from console, interactively
...p server with some console extension. I found the snippet to read from command line data.
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Default profile in Spring 3.1
In my application I have beans annotated with @Profile("prod") and @Profile("demo") .
The first one, as you can guess :), is used on beans that connect to production DB and second one annotates beans that use some fake DB ( HashMap or whatever)- to make development faster.
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git undo all uncommitted or unsaved changes
...rying to undo all changes since my last commit. I tried git reset --hard and git reset --hard HEAD after viewing this post . I responds with head is now at 18c3773... but when I look at my local source all the files are still there. What am I missing?
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git diff between cloned and original remote repository
I have cloned a github repository and made no changes locally. Github repository moved forward with commits on the same branch.
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tooltips for Button
...ossible to create a tooltip for an html button. Its the normal HTML button and there is no Title attribute as it is there for some html controls. Any thoughts or comments?
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