[Solved] Caching mechanism cluster environment

[ad_1] A static field’s value is stored in the memory of the JVM, and each JVM will thus have its own static map. This can be OK, unless you want a unique cache for all the members of the cluster. 2 [ad_2] solved Caching mechanism cluster environment

[Solved] on click, reduce countdown with 1 and so something, when countdown reaches 0 open window

[ad_1] This code is maybe the solution you wanted: function countdown() { var i = document.getElementById(‘counter’); if (parseInt(i.innerHTML)<=0) { $(“#counter”).fadeout(); i.innerHTML =10; i.style.width=”100%”; $(“#counter”).fadein(10); } else { i.innerHTML = parseInt(i.innerHTML)-1; setTimeout(function(){ var i = document.getElementById(‘counter’); i.style.width=”10%”; i.innerHTML=”1″; },5000) } var msg = window.open(“”, “Window name”, “width=200, height=100”); msg.document.write(“Some HTML”); } You have to add jquery … Read more

[Solved] Convert an unknown database file from a windows software into a MySqli Database

[ad_1] The linked file seems to be a renamed Firebird database with structure version ODS 11.2 which corresponds to Firebird 2.5.x line. For making a quick peep into the database you can use IBSurgeon First Aid — http://ib-aid.com IB Expert (the Database Explorer feature) — http://ibexpert.net Free mode of FirstAID would let you peep into … Read more

[Solved] Simulate a dead lock on SQL server using single client and single session

[ad_1] This is currently possible. The following code deadlocks itself BEGIN TRAN CREATE TYPE dbo.OptionIDs AS TABLE( OptionID INT PRIMARY KEY ) EXEC (‘DECLARE @OptionIDs dbo.OptionIDs;’) ROLLBACK This is a long standing issue due to the use of internal system transactions when creating the instance of the TVP that can’t access the lock taken by … Read more

[Solved] How to make sure that a class runs in background as long as needed on all devices?

[ad_1] As already mentioned, you use a Service. In addition, using startForeground makes the system less likely to destroy the service if there is a low-on-memory situation. It doesn’t make it invulnerable. In addition, using START_STICKY allows the system to “revive” the service after a while: Constant to return from onStartCommand(Intent, int, int): if this … Read more

[Solved] How to sum duplicated values in SQL [closed]

[ad_1] Assuming your table contains a field containing the year, and a field containing the price, you would simply use: SELECT AcquisitionYear, SUM(Price) AS TotalPrice FROM MyTable GROUP BY AcquisitionYear If your table contains a date field, you’d need to extract the year from this field using the YEAR() function: SELECT YEAR(AcquisitionDate), SUM(Price) AS TotalPrice … Read more

[Solved] java variable not initialized

[ad_1] For your interest, this is how I would write it. static final Map<String, Double> gradeToPointMap = new LinkedHashMap<String, Double>() {{ put(“A+”, 4.0); put(“A”, 4.0); put(“A-“, 3.67); put(“B+”, 3.33); put(“B”, 3.0); put(“B-“, 2.67); put(“C+”, 2.33); put(“C”, 2.0); put(“F”, 0.0); }}; public static void main(String… args) { Scanner keyboard = new Scanner(System.in); System.out.println(“Enter a letter grade … Read more

[Solved] How can I convert a string to an int?

[ad_1] Declare z inside your onclick function. Or assign it a value inside your function. Also nop and cob are editText’s get the data in it, use getText(). Because Integer.parseInt() accepts only a String but not an editText, so you must use getText() to get the String value in it. x = Integer.parseInt(nop.getText().toString()); y = … Read more

[Solved] how to make the width and height x2 using python Regular

[ad_1] Don’t use regular expressions to parse HTML. Use BeautifulSoup >>> from BeautifulSoup import BeautifulSoup >>> ht=”<html><head><title>foo</title></head><body><p>whatever: <img src=”https://stackoverflow.com/questions/5878079/foo/img.png” height=”111″ width=”22″ /></p><ul><li><img src=”foo/img2.png” height=”32″ width=”44″ /></li></ul></body></html>” >>> soup = BeautifulSoup(ht) >>> soup <html><head><title>foo</title></head><body><p>whatever: <img src=”https://stackoverflow.com/questions/5878079/foo/img.png” height=”111″ width=”22″ /></p><ul><li><img src=”foo/img2.png” height=”32″ width=”44″ /></li></ul></body></html> >>> soup.findAll(‘img’) [<img src=”https://stackoverflow.com/questions/5878079/foo/img.png” height=”111″ width=”22″ />, <img src=”foo/img2.png” height=”32″ width=”44″ />] >>> … Read more