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Threading in a PyQt application: Use Qt threads or Python threads?
... (although the caveat above still applies.)
Non-blocking I/O
Threads add extraordinarily complexity to your application. Especially when dealing with the already complex interaction between the Python interpreter and compiled module code. While many find event-based programming difficult to follow...
What are the differences between “=” and “
...on); and when isolated from surrounding logical structure, by braces or an extra pair of parentheses.
A confession: I lied earlier. There is one additional difference between the = and <- operators: they call distinct functions. By default these functions do the same thing but you can overrid...
Why does Java's Arrays.sort method use two different sorting algorithms for different types?
...objects, maybe space is not a critically
important consideration and the extra space used by a merge sort maybe
not a problem. And if a programmer is using primitive types, maybe
the performance is the most important thing so they use quick sort."
...
Strange out of memory issue while loading an image to a Bitmap object
...);
int imageHeight = options.outHeight;
int imageWidth = options.outWidth;
String imageType = options.outMimeType;
To avoid java.lang.OutOfMemory exceptions, check the dimensions of a bitmap before decoding it, unless you absolutely trust the source to provide you with predictably sized image data...
Plot a legend outside of the plotting area in base graphics?
...n is better because the space for legend is fixed not matter the length of strings of legend
– Sergio
Jun 7 at 13:36
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Why are only final variables accessible in anonymous class?
...c final int a = 3;
or as a local variable, like
public static void main(String[] args)
{
final int a = 3;
If you want to access and modify a variable from an anonymous class, you might want to make the variable a class-level variable in the enclosing class.
public class Test
{
public int a;
...
Ignore mouse interaction on overlay image
...ion (for example, changing color to simulate a button), then you will need extra code attached to the javascript you will invoke on the tag, this extra code could address the 'menuOption' element through the DOM and change it's color.
Also, there is no other way I know of that you can take a click...
difference and when to use getApplication(), getApplicationContext(), getBaseContext() and someClass
...
@committedandroider because activity context contains extra info for the chosen theme, so when views are created in code then the correct theme will be applied automatically. For more info, you may read this
– waqaslam
Nov 30 '14 at 6:51
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How to pass event as argument to an inline event handler in JavaScript?
...ating data binding capabilities available in mainstream js frameworks. One extra trick is to do something similar to Object.assign(this.querySelector('my-btn'), this) inside a web component and voila, data binding. You can access any method of the parent web component class from the inline events on...
How to apply a CSS filter to a background image
... A slightly better way to do this is to use .content:before instead of the extra "background-image" markup. I updated the pen here : codepen.io/akademy/pen/FlkzB
– Matthew Wilcoxson
Jan 27 '14 at 20:10
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