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OSGi: What are the differences between Apache Felix and Apache Karaf?
...implementation) it usually makes sense to use this since it provides more 'out of the box'.
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Hibernate, @SequenceGenerator and allocationSize
...you describe does not conflict with the spec in any way. The spec talks about the values Hibernate assigns to your entities, not the values actually stored in the database sequence.
However, there is the option to get the behavior you are looking for. First see my reply on Is there a way to dynam...
How to articulate the difference between asynchronous and parallel programming?
...n something asynchronously it means it is non-blocking, you execute it without waiting for it to complete and carry on with other things. Parallelism means to run multiple things at the same time, in parallel. Parallelism works well when you can separate tasks into independent pieces of work.
Take ...
sort object properties and JSON.stringify
...want to flatten the sorting object as well if you want something like this output:
{"a":{"h":4,"z":3},"b":2,"c":1}
You can do that with this:
var flattenObject = function(ob) {
var toReturn = {};
for (var i in ob) {
if (!ob.hasOwnProperty(i)) continue;
if ((typeof ob[i]...
How to fluently build JSON in Java?
...JSONObject().put("key1", "value1"))
.toString();
System.out.println(jsonString);
OUTPUT:
{"JSON2":"Hello my World!","JSON3":{"key1":"value1"},"JSON1":"Hello World!"}
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How to include file in a bash shell script
... Don't confuse . script.sh with ./script.sh. I lost hours trying to figure out what is going on
– Tihomir Mitkov
Jun 25 '15 at 18:17
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UIView's frame, bounds, center, origin, when to use what?
...most often use for normal iPhone applications. most controls will be laid out relative to the "containing" control so the frame.origin will directly correspond to where the control needs to display, and frame.size will determine how big to make the control.
center - this is the property you will...
Difference between validate(), revalidate() and invalidate() in Swing GUI
Swing components have multiple methods related to updates of screen layout, in particular:
2 Answers
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How to catch SQLServer timeout exceptions
I need to specifically catch SQL server timeout exceptions so that they can be handled differently. I know I could catch the SqlException and then check if the message string Contains "Timeout" but was wondering if there is a better way to do it?
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What is a “batch”, and why is GO used?
...rogram which connects to an SQL server (Sybase or Microsoft's - not sure about what Oracle does), signalling to the client program that the set of commands that were input into it up till the "go" need to be sent to the server to be executed.
Why/when do you need it?
GO in MS SQL server has a "coun...