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Find where java class is loaded from
... ClassLoader is registered as null which seems to imply that it was loaded by the Boot ClassLoader.
This method deals with that issue:
public static String whereFrom(Object o) {
if ( o == null ) {
return null;
}
Class<?> c = o.getClass();
ClassLoader loader = c.getClassLoader();
...
submit a form in a new tab
...t some functions, after I'll avoid this behaviour) to load the page called by submit on a new tab : is it possible?
8 Answe...
How to get the containing form of an input?
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According to w3schools, the .form property of input fields is supported by IE 4.0+, Firefox 1.0+, Opera 9.0+, which is even more browsers that jQuery guarantees, so you should stick to this.
If this were a different type of element (not an <input>), you could find the closest parent with c...
How to get complete month name from DateTime
...it was string mon = myDate.Month.ToString("MMM") when I was sadly let down by it spitting "MMM" into my string variable. Glad you took the effort to show how to use .ToString("MMM") on the date, itself, to get the month, when it's not DateTime.Now. And how you explained the difference between MMM a...
How to convert ASCII code (0-255) to its corresponding character?
...eclined to identify which "extended ASCII" [vague term] was wanted, except by accepting this answer.)
– Tom Blodget
Nov 3 '17 at 13:30
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Convert nullable bool? to bool
...?
bool? x = ...;
if (x ?? true) {
}
The ?? with nullable values works by examining the provided nullable expression. If the nullable expression has a value the it's value will be used else it will use the expression on the right of ??
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How to view file history in Git?
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By default gitk shows the diff plus 10 lines of context, but what if you want to see a snapshot of the whole file? Simply set "Lines of context" to a large value (e.g. 100000). Then you can flip back and forth between commits...
Javascript: Round up to the next multiple of 5
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This can be accomplished more simply by using Math.round
– Spencer Stolworthy
Jan 16 at 15:43
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Check if string contains only digits
...readable way to check if a string contains only digits.
This method works by splitting the string into an array using the spread operator, and then uses the every() method to test whether all elements (characters) in the array are included in the string of digits '0123456789':
const digits_onl...
How to calculate dp from pixels in android programmatically [duplicate]
...from, and the return value is the "complex floating point value multiplied by the appropriate metrics depending on its unit." applyDimension cannot be used to convert px->dp, for that you must do it as described here: stackoverflow.com/a/17880012/504611
– Vicky Chijwani
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