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How do I uniquely identify computers visiting my web site?

...rowser fingerprinting poses in practice, and what countermeasures may be appropriate to prevent it. There is a tradeoff between protection against fingerprintability and certain kinds of debuggability, which in current browsers is weighted heavily against privacy. Paradoxically, anti-fingerpri...
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When to Redis? When to MongoDB? [closed]

... I would say, it depends on kind of dev team you are and your application needs. For example, if you require a lot of querying, that mostly means it would be more work for your developers to use Redis, where your data might be stored in variety of specialized data structures, customize...
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Should you ever use protected member variables?

...a derived class, I change it from private to protected. This hardly ever happens - I'm really not a fan at all of inheritance, as it isn't a particularly good way to model most situations. At any rate, carry on, no worries. I'd say this is fine (and probably the best way to go about it) for the ma...
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SET NAMES utf8 in MySQL?

...ble/column doesn't really mean that the data are in that encoding. If you happened to have a table defined as utf8 but stored as differtent encoding, then MySQL will treat them as utf8 and you're in trouble. Which means you have to fix this first. What to check You need to check in what encoding the...
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Difference between java.util.Random and java.security.SecureRandom

... it, so had to set a system property java.security.egd to the right one at app startup. – maxpolk Jun 11 '15 at 21:04 add a comment  |  ...
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CORS - What is the motivation behind introducing preflight requests?

...ght requests have nothing to do with security, and they have no bearing on applications that are being developed now, with an awareness of CORS. Rather, the preflight mechanism benefits servers that were developed without an awareness of CORS, and it functions as a sanity check between the client an...
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How to read embedded resource text file

...utput dir, and you can read the file using normal means. Example: in a WPF app when you want to display an image. – Contango Jul 8 '15 at 6:52 ...
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read file from assets

...ssing you will have to sum up mLine at each pass using StringBuilder() and appending each pass. ANOTHER EDIT According to the comment of @Vincent I added the finally block. Also note that in Java 7 and upper you can use try-with-resources to use the AutoCloseable and Closeable features of recent ...
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Facebook Open Graph not clearing cache

...brefresh parameter, but you do need to be logged in as an admin for the FB app that owns that domain, otherwise the cache won't be updated. – Felipe Brahm Oct 3 '12 at 21:51 3 ...
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What is the difference between “git init” and “git init --bare”?

... To test git commands try: github.com/sergiocabral/App.GitPlayground – Sergio Cabral Nov 8 '19 at 7:44 add a comment  |  ...