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How to schedule a periodic task in Java?

...stem.out.println("Shutdown Activity..."); } public static void main(String[] args) throws InterruptedException { ScheduledExecutor se = new ScheduledExecutor(); se.startAsync(); Thread.sleep(15000); se.stopAsync(); } } If you have more services like this, then ...
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How to create a sequence of integers in C#?

...nute increments of an hour: (new int[12]).Select((item,i) => i*5) Or strings: (new int[12]).Select((item,i) => "Minute:" + i*5) share | improve this answer | follo...
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What is the best way to do a substring in a batch file?

... search, then this modifier expands to the empty string The modifiers can be combined to get compound results: %~dpI - expands %I to a drive letter and path only %~nxI - expands %I to a file name and extension only %~fsI - expands %I to a full pat...
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How to get the name of the calling method?

... Excellent use of regex as a string index! Can also use caller[0][/`(.*)'/,1] – aks Dec 23 '17 at 5:36 ...
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Why is there a difference in checking null against a value in VB.NET and C#?

... generated CIL (I've converted both to C#): C#: private static void Main(string[] args) { decimal? x = null; decimal? y = null; y = 5M; decimal? CS$0$0000 = x; decimal? CS$0$0001 = y; if ((CS$0$0000.GetValueOrDefault() != CS$0$0001.GetValueOrDefault()) || (CS$0$0000...
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Why is processing a sorted array slower than an unsorted array?

I have a list of 500000 randomly generated Tuple<long,long,string> objects on which I am performing a simple "between" search: ...
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Xcode stuck on Indexing

... not take time then my issue is resolved. Like e.g. let propertyType : [[[String : String]]] = [ [ ["propertyKey":"All Types"], ["propertyKey":"House"] ], ...
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Windows shell command to get the full path to the current directory?

... the dynamic one described below: %CD% - expands to the current directory string. %DATE% - expands to current date using same format as DATE command. %TIME% - expands to current time using same format as TIME command. %RANDOM% - expands to a random decimal number between 0 and 32767. %ERRORLEVE...
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What is the difference between a HashMap and a TreeMap? [duplicate]

...rted key store one another difference is with TreeMap, developer can give (String.CASE_INSENSITIVE_ORDER) with String keys, so then the comparator ignores case of key while performing comparison of keys on map access. This is not possible to give such option with HashMap - it is always case sensitiv...
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Android View.getDrawingCache returns null, only null

...view that has width and height of 0 (i.e. imagine having a TextView with a string text of an empty string). In this case, getDrawingCache will return null, so just be sure to check for that. Hope that helps some people out there. ...