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How can I increment a date by one day in Java?

... Something like this should do the trick: String dt = "2008-01-01"; // Start date SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd"); Calendar c = Calendar.getInstance(); c.setTime(sdf.parse(dt)); c.add(Calendar.DATE, 1); // number of days to add dt = sdf.fo...
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Why do == comparisons with Integer.valueOf(String) give different results for 127 and 128?

...r.parseInt("123"); This returns an int primitive value after parsing the String. Integer.valueOf("123"); This is more complex than the others. It starts off by parsing the String. Then, if the value is between -128 and 127, it returns the corresponding object from the static cache. If the va...
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MySQL - How to select data by string length

Is there a MySQL function to do this (of course instead of string_length )? 6 Answers ...
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Round double in two decimal places in C#?

...runc float: float myTruncFloat = float.Parse(Math.Round(myFloat, 2).ToString()); – Piero Alberto Jun 1 '16 at 12:24 2 ...
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C# switch statement limitations - why?

...t believe the compiler generates constant-time branching when switching on strings either. – Drew Noakes Dec 3 '10 at 21:29 ...
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Access props inside quotes in React JSX

... The string enclosed by backticks is a "template literal": developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/… – Jon Schneider Feb 15 '18 at 16:51 ...
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How to remove files that are listed in the .gitignore but still on the repository?

... You can remove them from the repository manually: git rm --cached file1 file2 dir/file3 Or, if you have a lot of files: git rm --cached `git ls-files -i --exclude-from=.gitignore` But this doesn't seem to work in Git Bash on Windows. It produces an error messag...
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Sequence contains no elements?

...boxes for the title and content, the ID and date aren't put on the page at all. Could this be the reason for it passing them as null\new? – Andy Hunt Aug 24 '09 at 19:43 2 ...
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How to implement a Map with multiple keys? [duplicate]

....collect.Table; import com.google.common.collect.HashBasedTable; Table<String, String, Integer> table = HashBasedTable.create(); The usage is really simple: String row = "a"; String column = "b"; int value = 1; if (!table.contains(row, column)) { table.put(row, column, value); } Syst...
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NSString with \n or line break

Does anyone know how to use line breaks in NSString? I need to do something like this - 10 Answers ...