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Is asynchronous jdbc call possible?
...I don't understand how any of the proposed approaches that wrap JDBC calls in Actors, executors or anything else can help here - can someone clarify.
Surely the basic problem is that the JDBC operations block on socket IO. When it does this it blocks the Thread its running on - end of story. Whatev...
Can I do a synchronous request with volley?
Imagine I'm in a Service that already has a background thread. Can I do a request using volley in that same thread, so that callbacks happen synchronously?
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How to check if IEnumerable is null or empty?
I love string.IsNullOrEmpty method. I'd love to have something that would allow the same functionality for IEnumerable. Is there such? Maybe some collection helper class? The reason I am asking is that in if statements the code looks cluttered if the patter is (mylist != null && mylist....
Can a class member function template be virtual?
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Templates are all about the compiler generating code at compile-time. Virtual functions are all about the run-time system figuring out which function to call at run-time.
Once the run-time system figured out it would need to call a templatized virtual function, compi...
Best way to use PHP to encrypt and decrypt passwords? [duplicate]
I plan to store foreign account information for my users on my website, aka rapidshare username and passwords, etc... I want to keep information secure, but I know that if I hash their information, I can't retrieve it for later use.
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How to resolve git stash conflict without commit?
As asked in this question , I also want to know how to resolve a conflicting git stash pop without adding all modifications to a commit (just like "git stash pop" without a conflict does).
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Most efficient conversion of ResultSet to JSON?
The following code converts a ResultSet to a JSON string using JSONArray and JSONObject .
14 Answers
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How to run a shell script on a Unix console or Mac terminal?
I know it, forget it and relearn it again. Time to write it down.
7 Answers
7
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What are the differences between ArrayList and Vector?
...l modification means addition or deletion of element(s) from the list. Setting the value of an existing element is not a structural modification.
Collections.synchronizedList is normally used at the time of creation of the list to avoid any accidental unsynchronized access to the list.
Reference
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