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Orchestration vs. Choreography
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Is it reasonable to mix orchestration and choreography? e.g. have orchestration for the core synchronous workflow, but then some choreography to stream async events back to the source capabilities (microservices). In my scenario, this approach m...
How do you import classes in JSP?
...you are importing a List into a JSP, chances are pretty good that you are violating MVC principles. Take a few hours now to read up on the MVC approach to web app development (including use of taglibs) - do some more googling on the subject, it's fascinating and will definitely help you write bette...
Swift how to sort array of custom objects by property value
...($.lhs.fileID, $.lhs.fileName) < ($.lhs.fileID, $.lhs.fileName).You can mix ordering with (lhs.val1, rhs.val2) > (rhs.val1, lhs.val2). Finally, if you want to have a custom sort that's different for ascending and descending (as I did where I wanted headers to always appear before content), you...
Is SQL syntax case sensitive?
...ools might send identifiers quoted all the time, so in instances where you mix queries generated by some tool (like a CREATE TABLE query generated by Liquibase or other DB migration tool), with hand made queries (like a simple JDBC select in your application) you have to make sure that the cases are...
Remove refs/original/heads/master from git repo after filter-branch --tree-filter?
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I guess you accidentally mixed the words: If I am right, it should be git update-ref -d original/refs/heads/master? However, only your second command worked for me.
– JJD
Jul 6 '12 at 14:44
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What happens when there's insufficient memory to throw an OutOfMemoryError?
...nt (build 1.6.0_26-b03)
Java HotSpot(TM) 64-Bit Server VM (build 20.1-b02, mixed mode)
Edit: I tried to see what would happen if I forced the JVM to run completely out of memory using the following program:
class OOMTest2 {
private static void test (int n) {
int[] foo;
try {...
Retrieving the inherited attribute names/values using Java Reflection
...ues of ChildObj, including the inherited attributes too, using Java reflection mechanism?
14 Answers
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Get free disk space
Given each of the inputs below, I'd like to get free space on that location. Something like
13 Answers
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How to set a Django model field's default value to a function call / callable (e.g., a date relative
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You've got your definitions of auto_now and auto_now_add mixed up, it's the other way round.
– Michael Bates
Jan 25 '16 at 2:29
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How to erase the file contents of text file in Python?
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Not a complete answer more of an extension to ondra's answer
When using truncate() ( my preferred method ) make sure your cursor is at the required position.
When a new file is opened for reading - open('FILE_NAME','r') it's cursor is at 0 by default.
But if you ...