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how does array[100] = {0} set the entire array to 0?
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I don't have a source, but I'm pretty sure that I read somewhere that there is no default value for array declarations; you get whatever garbage was already there. There's no sense in wasting time setting these values when you're likely to overwrite them anyway.
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Querying DynamoDB by date
...ER IS WRONG. His original answer is right but his updated answer is not. Read Warren Parad's answer below. It's correct.
– Ryan Shillington
May 5 '17 at 15:16
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New to MongoDB Can not run command mongo
... This should be the answer - it worked and was more helpful then "Read the documentation".
– Dan
Aug 17 '12 at 21:46
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What is the difference between an int and an Integer in Java and C#?
I was reading More Joel on Software when I came across Joel Spolsky saying something about a particular type of programmer knowing the difference between an int and an Integer in Java/C# (Object-Oriented Programming Languages).
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How to prevent robots from automatically filling up a form?
...ugh anti-spamming mechanism to prevent automatically generated input. I've read that techniques like captcha, 1+1=? stuff work well, but they also present an extra step impeding the free quick use of the application (I'm not looking for anything like that please).
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How to view or edit localStorage
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Yep already tried that but localStorage is empty. Maybe because I loaded unpacked extension?
– Joe Doe
Feb 22 '12 at 23:27
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What is the Python 3 equivalent of “python -m SimpleHTTPServer”
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Sure, just tack it on the end of the command line. Read python3 -m http.server --help for all the args & options.
– Petr Viktorin
Jun 4 '14 at 18:51
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C++ semantics of `static const` vs `const`
...laration and initialization are separated.)
Remember, in C++, const means read-only, not constant. If you have a pointer-to-const then other parts of the program may change the value while you're not looking. If the variable was defined with const, then no one can change it after initialization b...
MySQL: multiple tables or one table with many columns?
... better (since it reduces the amount of work the database needs to do when reading data). I'd highly recommend making your data as normalized as possible to start out, and only denormalize if you're aware of performance problems in specific queries.
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What is tail call optimization?
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If you want to learn more about this, I suggest reading the first chapter of Structure and Interpretation of Computer Programs.
– Kyle Cronin
Nov 22 '08 at 16:05
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