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An example of how to use getopts in bash
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@Pithikos Good point. Common sense tells me that when invoked via -h it should return 0, upon hitting a non-existing flag it should return >0 (for the sake of simplicity I didn't differentiate between those cases and nobody forces you to print ...
How to generate a random number in C++?
...s your result is the same of course (as Martin York already mentioned in a comment to the question).
Actually you should call srand(seed) one time and then call rand() many times and analyze that sequence - it should look random.
EDIT:
Oh I get it.
Apparently verbal description is not enough (maybe ...
社交应用组件 · App Inventor 2 中文网
....SEND_SMS。
推特客户端（国内无法使用）
A non-visible component that enables communication with Twitter. Once a
user has logged into their Twitter account (and the authorization has been confirmed successful
by the IsAuthorized event), many more operations are available:
S...
PHP parse/syntax errors; and how to solve them
...e runs into syntax errors. Even experienced programmers make typos. For newcomers, it's just part of the learning process. However, it's often easy to interpret error messages such as:
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Are static class variables possible in Python?
...ce.
class C:
@staticmethod
def f(arg1, arg2, ...): ...
@beidy recommends classmethods over staticmethod, as the method then receives the class type as the first argument, but I'm still a little fuzzy on the advantages of this approach over staticmethod. If you are too, then it probably do...
Why does C++ not have reflection?
... problems with reflection in C++.
It's a lot of work to add, and the C++ committee is fairly conservative, and don't spend time on radical new features unless they're sure it'll pay off. (A suggestion for adding a module system similar to .NET assemblies has been made, and while I think there's...
Fundamental difference between Hashing and Encryption algorithms
...f (MD5 does this 64 times for each 512bit chunk of data). It then somehow combines the resultant states from all these iterations back together to form the resultant hash.
Now, if you wanted to decode the hash, you'd first need to figure out how to split the given hash into its iterated states (1 ...
Omitting all xsi and xsd namespaces when serializing an object in .NET?
...nly the xsi and xsd namespaces, as mentioned in the question stackoverflow.com/questions/258960, which is also cited in this question.
– Cheeso
Oct 30 '09 at 20:36
1
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How do you rotate a two dimensional array?
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community wiki
Nick Berardi
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How using try catch for exception handling is best practice
...tructure (Load, Click, SelectedChanged...)
All events fired by third party components
Then I enclose in 'try/catch'
All the operations that I know might not work all the time (IO operations, calculations with a potential zero division...). In such a case, I throw a new ApplicationException("cust...