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Why doesn't Ruby support i++ or i-- (increment/decrement operators)?
...k this by calling i.object_id before and after i+=1. Why would that be any more technically tricky to do with ++?
– Andy_Vulhop
Sep 7 '10 at 17:09
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Implementing two interfaces in a class with same method. Which interface method is overridden?
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im a java developer but c# is really more clever on this : stackoverflow.com/questions/2371178/…
– Amir Ziarati
Aug 5 '17 at 11:24
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What is the difference between Tomcat, JBoss and Glassfish?
... EE 6 Web Profile certified via TomEE and supports EJB, CDI, JSF, JPA, and more.
– David Blevins
Jul 24 '12 at 17:35
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Elastic search, multiple indexes vs one index and types for different data sets?
...ted to different indices.
Searching a combination of data models from 2 or more indices is going to generate overhead, because the query will have to be sent to more shards across indices, compiled and sent back to the user.
Not recommended if your data set is small since you will incur more storage...
Database sharding vs partitioning
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Partitioning is more a generic term for dividing data across tables or databases. Sharding is one specific type of partitioning, part of what is called horizontal partitioning.
Here you replicate the schema across (typically) multiple insta...
How to modify list entries during for loop?
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Where do you store your salt strings?
...hey dont have access to the salt, that is akin to the user having a longer more secure password. now, how likely is it that the salt database will stay safe while the password database is stolen is up for debate, but thats a separate issue.
– chacham15
Apr 26 '...
C++ - passing references to std::shared_ptr or boost::shared_ptr
...f I have a function that needs to work with a shared_ptr , wouldn't it be more efficient to pass it a reference to it (so to avoid copying the shared_ptr object)?
What are the possible bad side effects?
I envision two possible cases:
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Anonymous recursive PHP functions
...ed "fix" from functional languages. The fix function from Haskell is known more generally as the Y combinator, which is one of the most well-known fixed point combinators.
A fixed point is a value that is unchanged by a function: a fixed point of a function f is any x such that x = f(x). A fixed...
SQL WHERE.. IN clause multiple columns
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or more generally SELECT * FROM table INNER JOIN otherTable ON ( table.x = otherTable.a AND table.y = otherTable.b)
– ala
Jul 16 '09 at 7:56
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