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How can I convert a long to int in Java?

...nt) x; System.out.println("int y=" + y); produces the following output on my machine: largest long is 9223372036854775807 largest int is 2147483647 long x=2147483648 int y=-2147483648 Notice the negative sign on y. Because x held a value one larger than Integer.MAX_VALUE, int y was unable to hold ...
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How to change menu item text dynamically in Android

... I use this code to costum my bottom navigation item BottomNavigationView navigation = this.findViewById(R.id.my_bottom_navigation); Menu menu = navigation.getMenu(); menu.findItem(R.id.nav_wall_see).setTitle("Hello"); ...
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How do I know that the UICollectionView has been loaded completely?

... answered Jun 5 '15 at 14:02 myeyesareblindmyeyesareblind 3,02633 gold badges1313 silver badges88 bronze badges ...
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How to import data from mongodb to pandas?

... @Peter that line also caught my eyes. Casting a database cursor, which is designed to be iterable and potentially wraps large amounts of data, into an in-memory list does not seem clever to me. – Rafa Apr 26 '19 at ...
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Unsubscribe anonymous method in C#

... Action myDelegate = delegate(){Console.WriteLine("I did it!");}; MyEvent += myDelegate; // .... later MyEvent -= myDelegate; Just keep a reference to the delegate around. ...
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Reading an Excel file in python using pandas

...rse method and pass it the sheet name. >>> xl = pd.ExcelFile("dummydata.xlsx") >>> xl.sheet_names [u'Sheet1', u'Sheet2', u'Sheet3'] >>> df = xl.parse("Sheet1") >>> df.head() Tid dummy1 dummy2 dummy3 dummy4 dummy5 \ 0 2006-09-01 00:...
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How to take a screenshot programmatically on iOS

... Thanks a lot for this! You definitely get my vote. After attempting multiple other ways, it appears that drawViewHierarchy is the only way how a screen grab can be taken in robovm with a javafx ui. – Christo Smal Oct 7 '14 at 7:...
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Can lambda functions be templated?

...t;< std::endl; } int main(int argc, char *argv[]) { std::string s("My string"); boring_template_fn(s); boring_template_fn(1024); boring_template_fn(true); } Prints: My string 1024 1 I've found this technique is helps when working with templated code but realize it still mean...
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Using Node.js only vs. using Node.js with Apache/Nginx

...chmarks) show node.js/express, even clustered, underperforming noticeably. My feeling is it's best to keep static file serving and request handling out of the node event loop entirely, save those cycles for the work that needs to happen in Node. But honestly, if you serve static stuff out of Node, y...
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How to call a method with a separate thread in Java?

...ew thread, and then call your run method in that new thread. public class MyRunnable implements Runnable { private int var; public MyRunnable(int var) { this.var = var; } public void run() { // code in the other thread, can reference "var" variable } } public...