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What's the difference between Perl's backticks, system, and exec?
Can som>me m>one please help m>me m>? In Perl, what is the difference between:
5 Answers
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What is the http-header “X-XSS-Protection”?
...g in random GETs and POSTs with different headers and the like) but I've com>me m> across som>me m>thing that google.com transmits in it's headers that I don't know.
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What are the differences between the different saving m>me m>thods in Hibernate?
Hibernate has a handful of m>me m>thods that, one way or another, takes your object and puts it into the database. What are the differences between them, when to use which, and why isn't there just one intelligent m>me m>thod that knows when to use what?
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Array.Copy vs Buffer.BlockCopy
Array.Copy and Buffer.BlockCopy both do the sam>me m> thing, but BlockCopy is aim>me m>d at fast byte-level primitive array copying, whereas Copy is the general-purpose implem>me m>ntation. My question is - under what circumstances should you use BlockCopy ? Should you use it at any tim>me m> when you are copyi...
Explaining Apache ZooKeeper
...an be guaranteed to be persisted in-order, i.e., writes are linear. Each tim>me m> a client writes to the ensemble, a majority of nodes persist the information: these nodes include the server for the client, and obviously the master. This m>me m>ans that each write makes the server up-to-date with the master....
REST HTTP status codes for failed validation or invalid duplicate
I'm building an application with a REST-based API and have com>me m> to the point where i'm specifying status codes for each requests.
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Are Java static calls more or less expensive than non-static calls?
...tspot may choose to optimize in ways that make static calls faster for one m>me m>thod, non-static calls faster for another.
Third: much of the mythos surrounding static versus non-static are based either on very old JVMs (which did not do anywhere near the optimization that Hotspot does), or som>me m> rem>me m>m...
What scalability problems have you encountered using a NoSQL data store? [closed]
... release, the traceback-logger website wasn't responding anymore. We had som>me m> locking issues with the production db of our main site which was throwing exceptions nearly every request, as well as several other bugs, which we haven't explored during the testing stage. The server cluster of our main s...
What exactly is Type Coercion in Javascript?
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Type coercion m>me m>ans that when the operands of an operator are different types, one of them will be converted to an "equivalent" value of the other operand's type. For instance, if you do:
boolean == integer
the boolean operand will be c...
Why does CSS work with fake elem>me m>nts?
...y class, I was playing around and found out that CSS works with made-up elem>me m>nts.
19 Answers
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