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Proper way to declare custom exceptions in modern Python?
...to be clearer/more pythonic to me. Advanced exceptions are heavily used in Java, which can sometimes be annoying, when using a framework and having to catch all possible errors.
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Why is it a bad practice to return generated HTML instead of JSON? Or is it?
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I'm a bit on both sides, actually :
When what I need on the javascript side is data, I use JSON
When what I need on the javascript side is presentation on which I will not do any calculation, I generally use HTML
The main advantage of using HTML is when you want to replace a full po...
How to adjust text font size to fit textview
...e Paint but from measuring the TextView itself calling measure(0, 0).
The Java class :
public class FontFitTextView extends TextView
{
private static final float THRESHOLD = 0.5f;
private enum Mode { Width, Height, Both, None }
private int minTextSize = 1;
private int maxTextSize...
Pointer to pointer clarification
...n't intend to write code close to the hardware, you are wasting your time. Java etc is a much better choice if you don't want to know how computers work, but just do high level programming.
– Lundin
Feb 7 '14 at 7:22
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How can I let a table's body scroll but keep its head fixed in place?
...orked well for me. You will have to set the height of the inner table with Java Script, the rest is CSS.
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How does Duff's device work?
... of switch / while loop. Impossible to imagine coming from a language like Java...
– Parobay
Feb 3 '14 at 7:06
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WebSockets vs. Server-Sent events/EventSource
... polyfilled into older browsers that do not support it natively using just JavaScript. Some implementations of SSE polyfills can be found on the Modernizr github page.
Gotchas:
SSE suffers from a limitation to the maximum number of open connections, which can be specially painful when opening var...
REST / SOAP endpoints for a WCF service
...vice-service... Then I can use the REST-interface from jQuery or SOAP from Java.
This is from my Web.Config:
<system.serviceModel>
<services>
<service name="MyService" behaviorConfiguration="MyServiceBehavior">
<endpoint name="rest" address="" binding="webHttpBinding" co...
Using awk to remove the Byte-order mark
...sent the BOM as data. This is a syntax error in innumerable programs. Even Java’s decoder behaves this way, BY DESIGN! BOMs on UTF-8 files are misplaced and a pain in the butt: they are an error! They break many things. Even just cat file1.utf8 file2.utf8 file3.utf3 > allfiles.utf8 will be brok...
What are the differences between vector and list data types in R?
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As someone who's just gotten into R, but comes from a C/Java/Ruby/PHP/Python background, here's how I think of it.
A list is really an array + a hashmap. It's a PHP associative array.
> foo = list(bar='baz')
> foo[1]
'baz'
> foo$bar
'baz'
> foo[['bar']]
'baz'
A vec...