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How to execute a java .class from the command line
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You have no valid main method... The signature should be:
public static void main(String[] args);
Hence, in your case the code should look like this:
public class Echo {
public static void main (String[] arg) {
System.out...
SQL query to get all values a enum can have
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Try:
SELECT e.enumlabel
FROM pg_enum e
JOIN pg_type t ON e.enumtypid = t.oid
WHERE t.typname = 'myenum'
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Difference between jQuery’s .hide() and setting CSS to display: none
Which am I better off doing? .hide() is quicker than writing out .css("display", "none") , but what’s the difference and what are both of them actually doing to the HTML element?
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What is the difference between Amazon S3 and Amazon EC2 instance?
... answered Jan 18 '13 at 4:28
David LevesqueDavid Levesque
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POST request send json data java HttpUrlConnection
... nothing is working for me. I am sending the input but at API side I am receiving blank.
– Adarsh Singh
May 28 at 19:46
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What is the volatile keyword useful for?
...ticle on a Singleton Pattern has changed a lot since and doesn't feature said volatile example any longer. It can be found in an archived version.
– bskp
Sep 23 '16 at 12:26
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What is the preferred syntax for defining enums in JavaScript?
...t.freeze ({ monday: {}, tuesday: {}, ... });. You don't need to specify an id, you can just use an empty object to compare enums. if (incommingEnum === DaysEnum.monday) //incommingEnum is monday
– Gabriel Llamas
Apr 7 '12 at 10:29
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One Activity and all other Fragments [closed]
...st I update a single Fragment container to display that section.
That said, having a single Activity also introduces a lot of complexities. Let's say you have an edit form, and for some of the items the user needs to select, or create, requires them to go to a new screen. With activities we'd j...
What is the __DynamicallyInvokable attribute for?
...code somewhere that checks the attribute applied to types and methods. No idea where that is located, but given that it would have to need to have a view of all .NET types to have a shot at caching, I can only think of Ngen.exe.
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Clojure: cons (seq) vs. conj (list)
...ogramming languages and their implementation; that's what's meant when "avoiding consing" is mentioned.
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