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How can I check whether a option already exist in select by JQuery

...w what "yourValue" is (for example, if it's user input). Building a single string just to let "jQuery do it" would require you to do input sanitization, and you end up with code practices that have haunted SQL for decades. So a -1 is completely unwarranted. The question even states that they want to...
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Spring DAO vs Spring ORM vs Spring JDBC

...rst, last from person where id=?", rs -> new Person(rs.getString(1), rs.getString(2)), 134561351656L); Spring-JDBC also provides a JdbcDaoSupport, that you can extend to develop your DAO. It basically defines 2 properties: a DataSource and a JdbcTemplate that both ca...
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JavaScript replace/regex

...You need to double escape any RegExp characters (once for the slash in the string and once for the regexp): "$TESTONE $TESTONE".replace( new RegExp("\\$TESTONE","gm"),"foo") Otherwise, it looks for the end of the line and 'TESTONE' (which it never finds). Personally, I'm not a big fan of build...
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How to redirect to Index from another controller?

... You can use the overloads method RedirectToAction(string actionName, string controllerName); Example: RedirectToAction(nameof(HomeController.Index), "Home"); share | impr...
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Update data in ListFragment as part of ViewPager

...s MPagerAdapter extends FragmentPagerAdapter { private Map<Integer, String> mFragmentTags; private FragmentManager mFragmentManager; public MPagerAdapter(FragmentManager fm) { super(fm); mFragmentManager = fm; mFragmentTags = new HashMap<Integer, String&...
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RegEx: Smallest possible match or nongreedy match

...nswer below my comment: With abcabk and a.+?k, RegEx will match the entire string. – finefoot Feb 9 '17 at 10:49 Line2...
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Conditional HTML Attributes using Razor MVC3

... For example: <button type="button" @(true ? "style=\"border:0px\"" : string.Empty)> This should evaluate to <button type="button" style="border:0px"> but Razor escapes all output from C# and thus produces: style="border:0px" You will only see this if you view th...
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Create a folder inside documents folder in iOS apps

...athForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, YES); NSString *documentsDirectory = [paths objectAtIndex:0]; // Get documents folder NSString *dataPath = [documentsDirectory stringByAppendingPathComponent:@"/MyFolder"]; if (![[NSFileManager defaultManager] fileExistsAtPath:dataP...
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Large Numbers in Java

... compute: 58.1 seconds. */ public class Main { public static void main(String... args) { int place = args.length > 0 ? Integer.parseInt(args[0]) : 250 * 1000; long start = System.nanoTime(); BigInteger fibNumber = fib(place); long time = System.nanoTime() - sta...
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android fragment- How to save states of views in a fragment when another fragment is pushed on top o

... data: public class FragmentA extends Fragment { private static final String PERSISTENT_VARIABLE_BUNDLE_KEY = "persistentVariable"; private EditText persistentVariableEdit; public FragmentA() { setArguments(new Bundle()); } @Override public View onCreateView(Layou...