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How do I use floating-point division in bash?
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you can do this:
bc <<< 'scale=2; 100/3'
33.33
UPDATE 20130926 : you can use:
bc -l <<< '100/3' # saves a few hits
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Is a Java hashmap search really O(1)?
...Rudolph
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C++ Singleton design pattern
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Reed CopseyReed Copsey
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[精华] VC中BSTR、Char和CString类型的转换 - C/C++ - 清泛网 - 专注C/C++及内核技术
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pstr=strbstr; //UNICODE---->char*
strCString="10";
int istr=atoi((LPSTR)(LPCTSTR)strCString); //CString、char[]、char*------>int
strCString.Format("%d",istr); //int----->CString
sprintf(strchar,"%d",istr); //int----->char[]
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How do I URL encode a string
...fortunately, stringByAddingPercentEscapesUsingEncoding doesn't always work 100%. It encodes non-URL characters but leaves the reserved characters (like slash / and ampersand &) alone. Apparently this is a bug that Apple is aware of, but since they have not fixed it yet, I have been using this ...
Make elasticsearch only return certain fields?
... document.
– Zaar Hai
Aug 18 '13 at 10:19
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Styling twitter bootstrap buttons
...le {
color: $color;
background-color: lighten($background, 20%); //10% default
border-color: lighten($border, 22%); // 12% default
}
}
Bootstrap 3 SASS Lighten Example
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When is each sorting algorithm used? [closed]
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answered Dec 19 '09 at 20:10
dsimchadsimcha
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How do I create a random alpha-numeric string in C++?
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+100
Mehrdad Afshari's answer would do the trick, but I found it a bit too verbose for this simple task. Look-up tables can sometimes do ...
How to change an Eclipse default project into a Java project
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vip
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answered Oct 7 '08 at 17:07
Chris Marasti-GeorgC...