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What is “vectorization”?
...GE
Vectorization describes the absence of any explicit looping, indexing, etc., in the code - these things are taking place, of course, just “behind the scenes” in optimized, pre-compiled C code. Vectorized code has many advantages, among which are:
vectorized code is more concise and easier ...
What rules does Pandas use to generate a view vs a copy?
...a single dtype case (which could be a 1-d for a series, a 2-d for a frame, etc). numpy may generate a view; it depends on what you are slicing; sometimes you can get a view and sometimes you can't. pandas doesn't rely on this fact at all as its not always obvious whether a view is generated. but thi...
Maven2 property that indicates the parent directory
...t.dir.name
You can then use ${main.basedir} in any of the other plugins, etc. Took me a while to figure this out, so hope it helps someone else.
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How to do the equivalent of pass by reference for primitives in Java
...immutable" said by Ernest applies to JDK's build-in Integer, Double, Long, etc. You can bypass this restriction with your custom wrapper class, like what Ingo's Answer did.
– user3207158
Oct 10 '19 at 21:22
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Clone Object without reference javascript [duplicate]
...ys, Functions and primitives.
** Any other type of object (Number, String, etc.) will likely give
** unexpected results, e.g. copy(new Number(5)) ==> 0 since the value
** is stored in a non-enumerable property.
**
** Expects that objects have a properly set *constructor* property.
*/
function co...
Soft keyboard open and close listener in an activity in Android
...savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.test_activity);
attachKeyboardListeners();
}
@Override
protected void onShowKeyboard(int keyboardHeight) {
// do things when keyboard is shown
bottomContainer.setVi...
Animate change of view background color on Android
...-- The drawables used here can be solid colors, gradients, shapes, images, etc. -->
<item android:drawable="@drawable/original_state" />
<item android:drawable="@drawable/new_state" />
</transition>
Then, in your XML for the actual View you would reference this Transit...
Gradients in Internet Explorer 9
...he gradient, or make it more sophisticated (radial gradients, transparency etc.) but this is great for those simple (vertical) linear gradients.
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What is the difference between task and thread?
...it takes a long time to compute, or it might that it takes a long time to fetch. Only in the former case would you use a Thread to run a Task. (In .NET, threads are freaking expensive, so you generally want to avoid them as much as possible and really only use them if you want to run multiple heavy ...
error opening HPROF file: IOException: Unknown HPROF Version
... Eclipse preferences first and then select Android from the left hand menu etc
– Mick
Jun 27 '12 at 22:00
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