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How can I add numbers in a Bash script?
... the one I'm familiar with :P. This is the cleanest to me and more true to what I'd expect in other languages.
i=0
((i++))
echo $i;
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What are some better ways to avoid the do-while(0); hack in C++?
...leaner because any reader is immediately aware that it works correctly and what it does. With goto you have to look around to see what it is for, and to be sure that no mistakes were made. The disguising is the benefit.
– R. Martinho Fernandes
Aug 29 '13 at 16:...
How can I calculate an md5 checksum of a directory?
...e string representation of group/owner are the same. This is in line with what for example rsync -a --delete does: it synchronizes virtually everything (minus xattrs and acls), but it will sync owner and group based on their ID, not on string representation. So if you synced to a different system ...
How do I make the method return type generic?
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No. The compiler can't know what type jerry.callFriend("spike") would return. Also, your implementation just hides the cast in the method without any additional type safety. Consider this:
jerry.addFriend("quaker", new Duck());
jerry.callFriend("quaker...
How do you know when to use fold-left and when to use fold-right?
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Well, what you described are actually foldl1 and foldr1 in Haskell (foldl and foldr take an external initial value), and Haskell's "cons" is called (:) not (::), but otherwise this is correct. You may want to add that Haskell addi...
Properties vs Methods
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What is the difference in the internal implementation of a property vs a method. Is anything pushed into the call stack whenever a property is used? If not, how else is it handled?
– Praveen
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Logcat not displaying my log calls
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Hahaha I am so stupid I don't know what DDMS is and even where to find it.
– Neon Warge
Sep 13 '15 at 6:55
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How to make a transparent UIWebView
...as able to set opacity and backgroundColor in IB. For me the style tag was what was keeping this from working.
– devinfoley
Aug 27 '12 at 16:53
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What is the best Java library to use for HTTP POST, GET etc.? [closed]
What is the best Java library to use for HTTP POST, GET etc. in terms of performance, stability, maturity etc.? Is there one particular library that is used more than others?
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What is the difference between a dialog being dismissed or canceled in Android?
Like the title says, what is the difference between a dialog being dismissed or canceled in Android?
4 Answers
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