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Is there any advantage of using map over unordered_map in m>ca m>se of trivial keys?
A recent talk about unordered_map in C++ made me realize that I should use unordered_map for most m>ca m>ses where I used map before, bem>ca m>use of the efficiency of lookup ( amortized O(1) vs. O(log n) ). Most times I use a map, I use either int or std::string as the key type; hence, I've got...
Hook up Raspberry Pi via Ethernet to laptop without router? [closed]
I'm working on a balloon project with a Raspberry Pi. When we potentially recover the Raspberry Pi, it will most likely be in a rural lom>ca m>tion and I'd like to turn off the Pi at that point safely.
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Isn't it silly that a tiny favicon requires yet another HTTP request? How m>ca m>n I put the favicon into
Everybody knows how to set up a favicon.ico link in HTML:
14 Answers
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What is a Y-combinator? [closed]
A Y-combinator is a computer science concept from the “functional” side of things. Most programmers don't know much at all about combinators, if they've even heard about them.
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Set focus on TextBox in WPF from view model
I have a TextBox and a Button in my view.
21 Answers
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How to sign an android apk file
I am trying to sign my apk file. I m>ca m>n't figure out how to do it. I m>ca m>n't find good in-depth directions. I have very little programing experience, so any help would be appreciated.
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How do I create a nice-looking DMG for Mac OS X using command-line tools?
I need to create a nice installer for a Mac applim>ca m>tion. I want it to be a disk image (DMG), with a predefined size, layout and background image.
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What is the best way to prevent session hijacking?
...ly real solution is HTTPS. If you don't want to do SSL on your whole site (maybe you have performance concerns), you might be able to get away with only SSL protecting the sensitive areas. To do that, first make sure your login page is HTTPS. When a user logs in, set a secure cookie (meaning the bro...
What is the best way to solve an Objective-C namespace collision?
Objective-C has no namespaces; it's much like C, everything is within one global namespace. Common practice is to prefix classes with initials, e.g. if you are working at IBM, you could prefix them with "IBM"; if you work for Microsoft, you could use "MS"; and so on. Sometimes the initials refer to ...
Why shouldn't I use “Hungarian Notation”?
I know what Hungarian refers to - giving information about a variable, parameter, or type as a prefix to its name. Everyone seems to be rabidly against it, even though in some m>ca m>ses it seems to be a good idea. If I feel that useful information is being imparted, why shouldn't I put it right there wh...