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onKeyPress Vs. onKeyUp and onKeyDown
...up and keypress as it pertains to input field values, at least in Firefox (tested in 43).
If the user types 1 into an empty input element:
The value of the input element will be an empty string (old value) inside the keypress handler
The value of the input element will be 1 (new value) inside the...
How to Deep clone in javascript
... });
} else if (typeof item == "object") {
// testing that this is DOM
if (item.nodeType && typeof item.cloneNode == "function") {
result = item.cloneNode( true );
} else if (!item.prototype) { // check that this is a l...
How to get active user's UserDetails
...efit is that it is easy to make simple implementations with fixed data for testing, without having to worry about populating thread-locals and so on.
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How to get full path of a file?
...
Just tested on 10.9.2, works fine. which readlink /usr/local/opt/coreutils/libexec/gnubin/readlink readlink --version readlink (GNU coreutils) 8.22
– J0hnG4lt
Mar 11 '14 at 22:39
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Best way to “negate” an instanceof
...c static final Predicate<Object> isInstanceOfTheClass =
objectToTest -> objectToTest instanceof TheClass;
public static final Predicate<Object> isNotInstanceOfTheClass =
isInstanceOfTheClass.negate(); // or objectToTest -> !(objectToTest instanceof TheClass)
if (isNotIn...
How to use the pass statement?
... submit(self, tasks): pass
def retrieve(self, deferred_results): pass
Testing that code runs properly for a few test values, without caring about the results (from mpmath):
for x, error in MDNewton(mp, f, (1,-2), verbose=0,
norm=lambda x: norm(x, inf)):
pass
In cl...
Merge branch with trunk
... branch
In a team environment I would suggest that you first merge the latest modifications from the trunk in your branch, make sure that everything compiles and works, then do the above steps (which will be trivial since you've already tested the changes).
Update
In step 5, I mention killing ...
Convert nullable bool? to bool
... didn't seem to work inside Linq (perhaps it's just VB.NET?) - I have just tested and it does throw an invalid cast exception
– Luke T O'Brien
Mar 9 '17 at 9:38
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What does “Could not find or load main class” mean?
..." - which means no package declaration at the top of the file. For a quick test of some code, I did: javac TestCode.java followed by java TestCode
– Someone Somewhere
Jan 3 '16 at 17:12
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Why static classes cant implement interfaces? [duplicate]
... application I want to use a Repository that will do the raw data access ( TestRepository , SqlRepository , FlatFileRepository etc).
Because such a repository would be used throughout the runtime of my application it seemed like a sensible thing to me to make it a static class so I could go
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