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Why Large Object Heap and why do we care?
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A garbage collection doesn't just get rid of unreferenced objects, it also compacts the heap. That's a very important optimization. It doesn't just make memory usage more efficient (no unused holes), it makes the CPU cache much more efficient. The cache is a re...
Relatively position an element without it taking up space in document flow
...and, you can, however, make a pseudo-relative element, by creating a zero-width, zero-height, relatively positioned element, essentially solely for the purpose of creating a reference point for position, and an absolutely positioned element within that:
<div style="position: relative; width: 0; ...
Differences between detach(), hide() and remove() - jQuery
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hide() sets the matched elements' CSS display property to none.
remove() removes the matched elements from the DOM completely.
detach() is like remove(), but keeps the stored data and events associated with the matched eleme...
How can I set the aspect ratio in matplotlib?
...th 'equal' aspect ratio:
and one with 'auto' aspect ratio:
The code provided below in the 'original answer' provides a starting off point for an explicitly controlled aspect ratio, but it seems to be ignored once an imshow is called.
Original Answer:
Here's an example of a routine that will ad...
When to use the brace-enclosed initializer?
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I think the following could be a good guideline:
If the (single) value you are initializing with is intended to be the exact value of the object, use copy (=) initialization (because then in case of error, you'll never accidentally invoke an explicit constructor,...
Better explanation of when to use Imports/Depends
The " Writing R Extensions " manual provides the following guidance on when to use Imports or Depends:
4 Answers
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Why always ./configure; make; make install; as 3 separate steps?
...ter to install certain libraries and files to certain directories. It is said to run ./configure, but in fact you should change it always.
For example have a look at the Arch Linux packages site. Here you'll see that any package uses a different configure parameter (assume they are using autotools...
Maven: how to override the dependency added by a library
...cify the version in your current pom. The version specified here will override other.
Forcing a version
A version will always be honoured if it is declared in the current POM with a particular version - however, it should be noted that this will also affect other poms downstream if it is itsel...
C++ Modules - why were they removed from C++0x? Will they be back later on?
...An import keyword to import modules, instead of import it might also be decided to use using module instead, so a new import keyword could be avoided.
import std.io;
import module.submodule;
An export syntax, which defines the public declarations that are part of this module, non-interface declar...
Android set height and width of Custom view programmatically
...e programatically like that :
graphView.setLayoutParams(new LayoutParams(width, height));
This is fine if you know the exact size of the view. However, if you want a more flexible approach, you can override the onMeasure() method to measure the view more precisely depending on the space available...