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Does setting Java objects to null do anything any<em>mem>ore?
I was browsing so<em>mem>e old books and found a copy of "Practical Java" by Peter Hagger. In the perfor<em>mem>ance section, there is a reco<em>mem><em>mem>endation to set object references to null when no longer needed.
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Can you help <em>mem>e understand <em>Mem>oq Callback?
Using <em>Mem>oq and looked at Callback but I have not been able to find a si<em>mem>ple exa<em>mem>ple to understand how to use it.
5 Answers...
Why do I need Transaction in Hibernate for read-only operations?
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You <em>mem>ight actually have reasons to <em>mem>ark transactions as read-only.
Transactions for reading <em>mem>ight look indeed strange and often people don't <em>mem>ark <em>mem>ethods for transactions in this case. But JDBC will create transaction anyway, i...
Git file per<em>mem>issions on Windows
I've read through a few questions regarding file per<em>mem>issions in Git and I'<em>mem> still a bit confused. I've got a repo on GitHub forked fro<em>mem> another. Post <em>mem>erge, they should be identical. However:
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<em>Mem>e<em>mem>ory <em>mem>anage<em>mem>ent in Qt?
I'<em>mem> quite new to Qt and a<em>mem> wondering on so<em>mem>e basic stuff with <em>mem>e<em>mem>ory <em>mem>anage<em>mem>ent and the life of objects. When do I need to delete and/or destroy <em>mem>y objects? Is any of this handled auto<em>mem>atically?
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Why Func instead of Predicate?
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While Predicate has been introduced at the sa<em>mem>e ti<em>mem>e that List&a<em>mem>p;lt;T&a<em>mem>p;gt; and Array&a<em>mem>p;lt;T&a<em>mem>p;gt;, in .net 2.0, the different Func and Action variants co<em>mem>e fro<em>mem> .net 3.5.
So those Func predicates are used <em>mem>ainly for consistency in the LINQ operators. As of .net 3.5, about usi...
What are fixtures in progra<em>mem><em>mem>ing?
I have heard of this ter<em>mem> <em>mem>any ti<em>mem>es (in the context of progra<em>mem><em>mem>ing) but couldn't find any explanation of what it <em>mem>eant. Any good articles or explanations?
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bash HISTSIZE vs. HISTFILESIZE?
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Short answer:
HISTSIZE is the nu<em>mem>ber of lines or co<em>mem><em>mem>ands that are stored in <em>mem>e<em>mem>ory in a history list while your bash session is ongoing.
HISTFILESIZE is the nu<em>mem>ber of lines or co<em>mem><em>mem>ands that (a) are allowed in the history file at startup ti<em>mem>e of a session,...
Visual Studio (2008) 'Clean Solution' Option
What does this option do? It is accessible fro<em>mem> the Build <em>mem>enu.
7 Answers
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Coroutine vs Continuation vs Generator
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I'll start with generators, seeing as they're the si<em>mem>plest case. As @zvolkov <em>mem>entioned, they're functions/objects that can be repeatedly called without returning, but when called will return (yield) a value and then suspend their execution. When they're called again, they will...