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What is the difference between a URI, a URL and a URN?

... The term "Uniform Resource Locator" (URL) refers to the subset of URIs that, in addition to identifying a resource, provide a means of locating the resource by describing its primary access mechanism (e.g., its network "location"). The term "Uniform Resource Name" (URN) h...
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What is the best workaround for the WCF client `using` block issue?

...ck as it's pretty much the standard way to use resources that implement IDisposable : 26 Answers ...
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A simple scenario using wait() and notify() in java

Can I get a complete simple scenario i.e. tutorial that suggest how this should be used, specifically with a Queue? 6 Answe...
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Returning a boolean from a Bash function

... Use 0 for true and 1 for false. Sample: #!/bin/bash isdirectory() { if [ -d "$1" ] then # 0 = true return 0 else # 1 = false return 1 fi } if isdirectory $1; then echo "is directory"; else echo "nopes"; fi Edit From @amichair's comment, these are ...
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How to determine if a record is just created or updated in after_save

The #new_record? function determines if a record has been saved. But it is always false in the after_save hook. Is there a way to determine whether the record is a newly created record or an old one from update? ...
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What is the best (and safest) way to merge a Git branch into master?

A new branch from master is created, we call it test . 13 Answers 13 ...
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How to check internet access on Android? InetAddress never times out

I got a AsyncTask that is supposed to check the network access to a host name. But the doInBackground() is never timed out. Anyone have a clue? ...
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Check if a variable is of function type

Suppose I have any variable, which is defined as follows: 18 Answers 18 ...
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Which way is best for creating an object in JavaScript? Is `var` necessary before an object property

So far I saw three ways for creating an object in JavaScript. Which way is best for creating an object and why? 8 Answers ...
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Nodejs Event Loop

....js architecture in order to write native modules. What I am posting here is my understanding of node.js and this might be a bit off track as well. Libev is the event loop which actually runs internally in node.js to perform simple event loop operations. It's written originally for *nix systems. ...