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What is the most ridiculous pessimization you've seen? [closed]
...ds to unreadable/unmaintainable code. Even worse is pessimization, when someone implements an "optimization" because they think it will be faster, but it ends up being slower, as well as being buggy, unmaintainable, etc. What is the most ridiculous example of this that you've seen?
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Why is my variable unaltered after I modify it inside of a function? - Asynchronous code reference
...orewords
This topic has been iterated at least a couple of thousands of times, here, in Stack Overflow. Hence, first off I'd like to point out some extremely useful resources:
@Felix Kling's answer to "How do I return the response from an asynchronous call?". See his excellent answer explaining s...
Swift class introspection & generics
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Well, for one, the Swift equivalent of [NSString class] is .self (see Metatype docs, though they're pretty thin).
In fact, NSString.class doesn't even work! You have to use NSString.self.
let s = NSString.self
var str = s()
str = "asdf"
Similarly, with a swift class I tried...
class MyClas...
Eclipse - Unable to install breakpoint due to missing line number attributes
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I had the same error message in Eclipse 3.4.1, SUN JVM1.6.0_07 connected to Tomcat 6.0 (running in debug-mode on a different machine, Sun JVM1.6.0_16, the debug connection did work correctly).
Window --> Preferences --> Java -->...
Cross compile Go on OSX?
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With Go 1.5 they seem to have improved the cross compilation process, meaning it is built in now. No ./make.bash-ing or brew-ing required. The process is described here but for the TLDR-ers (like me) out there: you just set the GOOS and the GOARCH environment variables and run the go build.
F...
Does Git warn me if a shorthand commit ID can refer to 2 different commits?
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It should give you something like this:
$ git log cee157
error: short SHA1 cee157 is ambiguous.
error: short SHA1 cee157 is ambiguous.
fatal: ambiguous argument 'cee157': unknown revision or path not in the working tree.
Use '--' to separate pat...
Installing Google Protocol Buffers on mac
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There are some issues with building protobuf 2.4.1 from source on a Mac. There is a patch that also has to be applied. All this is contained within the homebrew protobuf241 formula, so I would advise using it.
To install protocol buffer...
Git asks for username every time I push
Whenever I try to push into my repo git asks for both username & password .
23 Answers
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Duplicate symbols for architecture x86_64 under Xcode
I now have the same question with above title but have not found the right answer yet. I got the error:
51 Answers
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Microsoft Excel mangles Diacritics in .csv files?
...evant as "byte order" information).1 If this BOM does not exist, the consumer/reader is left to infer the encoding type of the text. Readers that are not UTF8 capable will read the bytes as some other encoding such as Windows-1252 and display the characters  at the start of the file.
There ...