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When do you use map vs flatMap in RxJava?
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Not sure if using a map is the best idea, although it would work. Suppose the FileReader was to become an asynchronous call. Then you'd need to change the map to a flatMap. Leaving it as a map would mean you wouldn't get events fired as expected, and will c...
What is Eclipse's Ctrl+O (Show Outline) shortcut equivalent in IntelliJ IDEA?
...h outlines the current source. Is there an equivalent shortcut in IntelliJ IDEA?
19 Answers
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Sublime Text 3, convert spaces to tabs
...nvert always spaces to tabs? I.e. on open and on Save files? Anyone got an idea?
11 Answers
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Is the size of C “int” 2 bytes or 4 bytes?
...form. It is implementation-defined. It can be 2, 4 or something else.
The idea behind int was that it was supposed to match the natural "word" size on the given platform: 16 bit on 16-bit platforms, 32 bit on 32-bit platforms, 64 bit on 64-bit platforms, you get the idea. However, for backward comp...
Best way to define error codes/strings in Java?
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@Marcus: I like that idea. I'm concentrating on getting this thing out the door, but when we look at internationalization, I think I will do what you suggested. Thanks!
– William Brendel
Jan 15 '09 at 13:32
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Difference between WebStorm and PHPStorm
...ix) updates are issued periodically as
required.
snip
IntelliJ IDEA vs WebStorm features
IntelliJ IDEA remains JetBrains' flagship product and IntelliJ IDEA
provides full JavaScript support along with all other features of
WebStorm via bundled or downloadable plugins. The only t...
How to grey out a button?
...nswers work fine, but I remember learning that using setAlpha can be a bad idea performance wise (more info here). So creating a StateListDrawable is a better idea to manage disabled state of buttons. Here's how:
Create a XML btn_blue.xml in res/drawable folder:
<!-- Disable background -->
&...
Recommended website resolution (width and height)? [closed]
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Bad idea, I believe. The whole point in separating content from layout was to enable your web page to be displayed on any sort of browser.
Putting in artificial limitations such as a minimum screen size will limit your market.
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How to prevent open last projects when intellij idea start
By default intellij idea open last project when starting.
How to open intellij idea without openning last projects?
13 Answ...
Why aren't variable-length arrays part of the C++ standard?
...ubstituting the 32-bit integer n for 1000 is an admission that you have no idea what the behavior of your program ought to be.)
Okay, so let's move to talking about C++ now. In C++, we have the same strong distinction between "type system" and "value system" that C89 does… but we've really start...