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How can I combine hashes in Perl?
...he best way to combine both hashes into %hash1? I always know that %hash2 and %hash1 always have unique keys. I would also prefer a single line of code if possible.
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What are the differences between BDD frameworks for Java? [closed]
What are the pros and cons of each Behavior Driven Development (BDD) framework for Java?
8 Answers
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What is the difference between declarative and imperative programming? [closed]
I have been searching the web looking for a definition for declarative and imperative programming that would shed some light for me. However, the language used at some of the resources that I have found is daunting - for instance at Wikipedia .
Does anyone have a real-world example that they could ...
use localStorage across subdomains
...on browsers that can support it (anyone but IE). The problem is site.com and www . site.com store their own separate localStorage objects. I believe www is considered a subdomain (a stupid decision if you ask me). If a user was originally on site.com and decides to type in www . site.com on ...
What does gcc's ffast-math actually do?
I understand gcc's --ffast-math flag can greatly increase speed for float ops, and goes outside of IEEE standards, but I can't seem to find information on what is really happening when it's on. Can anyone please explain some of the details and maybe give a clear example of how something would chan...
CSS Pseudo-classes with inline styles
...g the delimiting braces), whose formal grammar is given below in the terms and conventions of the CSS core grammar:
declaration-list
: S* declaration? [ ';' S* declaration? ]*
;
Neither selectors (including pseudo-elements), nor at-rules, nor any other CSS construct are allowed.
Think of inlin...
How to find if a given key exists in a C++ std::map
I'm trying to check if a given key is in a map and somewhat can't do it:
14 Answers
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“git rm --cached x” vs “git reset head -- x”?
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There are three places where a file, say, can be - the tree, the index and the working copy. When you just add a file to a folder, you are adding it to the working copy.
When you do something like git add file you add it to the index. And when you commit it, you add it to the tree as well.
It ...
Syntax behind sorted(key=lambda: …)
I don't quite understand the syntax behind the sorted() argument:
9 Answers
9
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How to rotate portrait/landscape Android emulator? [duplicate]
I am new to Android development.
I know if you change a android phone from portrait to landscape sometimes the app relays its self out on the screen.. so how do I simulate rotating a phone with the emulator?
On the Blackberry emulators there's a button in the menu to turn the phone, but I can't f...