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How to avoid null checking in Java?
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If you use (or planning to use) a Java IDE like JetBrains IntelliJ IDEA, Eclipse or Netbeans or a tool like findbugs then you can use annotations to solve this problem.
Basically, you've got @Nullable and @NotNull.
You can use in method and parameters, like this:
@NotNull public static St...
Why not use exceptions as regular flow of control?
...and class, precisely so you can filter on them? Do you think that's a bad idea, too?
– Ken
Dec 11 '09 at 1:46
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show 7 more comments
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How to redirect 'print' output to a file using python?
...e a lot of output statements these can get old fast. The posters original idea is valid; there is something else wrong with the script.
– Gringo Suave
Aug 22 '11 at 20:06
1
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Implementing comparison operators via 'tuple' and 'tie', a good idea?
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I got this exact same idea once, and did some experimentation. Was positively surprised to see that the compiler inlined and optimized out everything having to do with tuples and references, emitting assembly almost identical to hand-written code....
Why doesn't String switch statement support a null case?
...] ordinals start at zero.
That means, mapping null to 0 wouldn't be a good idea. A switch on the first enum value would be indistinguishible from null. Maybe it would've been a good idea to start counting the ordinals for enums at 1. However it hasn't been defined like that, and this definition can ...
Android Studio Project Structure (v.s. Eclipse Project Structure)
...ent projects)
From the documentation (Android Studio is based on Intellij IDEA) :
Whatever you do in IntelliJ IDEA, you do that in the context of a
project. A project is an organizational unit that represents a
complete software solution.
Your finished product may be decomposed into a ...
How to use SVN, Branch? Tag? Trunk?
...practices that you feel make most sense to you.
I don't think it's a good idea to adopt a practice if you do not understand the purpose of it or don't agree to the rationale behind it. So don't follow any advice blindly, but rather make up your own mind about what you think will work best for you. ...
What is the best CSS Framework and are they worth the effort?
...of the Eric Meyer reset with some classes and resets of my own, plus a few ideas from BluePrint and YUI.
I recently watched Eric Meyer give a presentation on CSS Frameworks in which he asked the question: "so which one is the right one for me?" He then answered the question by showing a blank slide...
Best way to structure a tkinter application? [closed]
...fraining from using inheritance on your class that calls the GUI is a good idea, in my experience. It offers you more flexibility if both the Tk and Frame objects are attributes of a class which doesn't inherit from anything. This way you can access the Tk and Frame objects more easily (and less amb...
Algorithm to detect corners of paper sheet in photo
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Thanks for the great ideas Martin. Ive taken your advice and implemented the Hough transform approach. (See results above). I'm struggling to determine a robust algorithm that will extrapolate the lines to find the intersections. There are not ma...