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How to do a batch insert in MySQL
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A good blog entry on batch inserts (in Java, but it's relevant to any language): viralpatel.net/blogs/batch-insert-in-java-jdbc
– Kangur
Oct 3 '12 at 8:21
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C# constructor execution order
...more than one if they're chained with Foo() : this(...) etc
Note that in Java, the base class is initialized before variable initializers are run. If you ever port any code, this is an important difference to know about :)
I have a page with more details if you're interested.
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When do I really need to use atomic instead of bool? [duplicate]
...mment may have originated from an understanding of the keyword volatile in Java. The volatile keyword in Java does control memory fences but has a very different behavior than the volatile keyword in C which does not. This question explains the difference further.
– Pace
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What exactly is a Maven Snapshot and why do we need it?
...same code. E.g. you might have one with debugging and one without. One for Java 5.0 and one for Java 6. Generally its simpler to have one build which does everything you need. ;)
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Difference between Iterator and Listiterator?
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The differences are listed in the Javadoc for ListIterator
You can
iterate backwards
obtain the iterator at any point.
add a new value at any point.
set a new value at that point.
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How to set selected value of jquery select2?
...ling my hair out on this one. I don't think it's possible without going to JavaScript solutions. Looking for another jQuery/Bootstrap Select2 dropdown now (2 days of fiddling every conceivable method - no joy!)
– MC9000
Nov 5 '16 at 5:17
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How is pattern matching in Scala implemented at the bytecode level?
...rint your program with all Scala-specific features removed. It's basically Java in Scala's clothing. Here's the relevant scalac -print output for the code snippet you gave:
def eval(e: Expr): Int = {
<synthetic> val temp10: Expr = e;
if (temp10.$isInstanceOf[Number]())
temp10.$asInsta...
How can I use PowerShell with the Visual Studio Command Prompt?
...an equals sign in it is truncated at the equals sign. For example, I had:
JAVA_TOOL_OPTIONS=-Duser.home=C:\Users\Me
But my PS session reported:
PS C:\> $env:JAVA_TOOL_OPTIONS
-Duser.home
I fixed this by modifying my profile script to the following:
pushd 'c:\Program Files (x86)\Microsoft V...
Android webview & localStorage
...are the same data in multiple webviews the only way is to repair it with a java database and a javascript interface.
This page on github shows how to do this.
hope this help!
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How to change a field name in JSON using Jackson
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private String name;
//Getters and setters omitted for brevity
}
JavaEE or JakartaEE JSON-B
JSON-B is the standard binding layer for converting Java objects to and from JSON. If you are using JSON-B, then you can override the JSON property name via the @JsonbProperty annotation:
@Entity
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