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Intelli J IDEA takes forever to update indices

...ks perfectly. Thanks for the solution friends. Just: Open IntelliJ IDEA Select the File menu Select the Invalidate Caches / Restart... menu. Once selected you get a pop-up with a bunch of options. Select Invalidate and Restart and before doing that make sure you saved all your changes else it mig...
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Is Fortran easier to optimize than C for heavy calculations?

... a double* will not overlap with an int* (with the specific exception that char* and void* can overlap with anything). If you use them you will get the same speed from C and Fortran. However, the ability to use the restrict keyword only with performance critical functions means that C (and C++) pro...
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GroupBy pandas DataFrame and select most common value

.... To clean the data I have to group by data frame by first two columns and select most common value of the third column for each combination. ...
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Can I pass an array as arguments to a method with variable arguments in Java?

...tatic String ezFormat(Object... args) { String format = new String(new char[args.length]) .replace("\0", "[ %s ]"); return String.format(format, args); } public static void main(String... args) { System.out.println(ezFormat("A", "B", "C")); // prints "[ A ][ B ][ C ]" } And ...
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Changing navigation bar color in Swift

...UIColor.whiteColor() UINavigationBar.appearance().barTintColor = Style.SELECTED_COLOR UINavigationBar.appearance().translucent = false UINavigationBar.appearance().clipsToBounds = false UINavigationBar.appearance().backgroundColor = Style.SELECTED_COLOR UINavigationBar.appearance...
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intellij - spring is not being recognized (Unmapped Spring configuration)

...alog (either by clicking the warning or through file=>project structure select the modules item in the left hand list go through and right click on the modules with missing files and select Add=>Spring in the new tab click the + button you should now see a list of the xml files. Check the box...
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How do write IF ELSE statement in a MySQL query

... You probably want to use a CASE expression. They look like this: SELECT col1, col2, (case when (action = 2 and state = 0) THEN 1 ELSE 0 END) as state from tbl1; share | ...
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How can I tell IntelliJ's “Find in Files” to ignore generated files?

...for the Find in Path dialog. (Mac users press command+shift+F) Under Scope select Custom. Choose a scope from the drop down list or create a Custom Scope by clicking on the ... button to the right of dropdown. In the dialog that appears, click on the + button and select Local On the right pane you...
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Why does PostgreSQL perform sequential scan on indexed column?

... If the SELECT returns more than approximately 5-10% of all rows in the table, a sequential scan is much faster than an index scan. This is because an index scan requires several IO operations for each row (look up the row in the ...
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Use ASP.NET MVC validation with jquery ajax?

... where modelState[x].Errors.Count > 0 select new { key = x, errors = modelState[x].Errors. Select(y => y.ErrorMessage...