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Printf width specifier to maintain precision of floating-point value
... in:
#include <float.h>
int Digs = DECIMAL_DIG;
double OneSeventh = 1.0/7.0;
printf("%.*e\n", Digs, OneSeventh);
// 1.428571428571428492127e-01
But let's dig deeper ...
Mathematically, the answer is "0.142857 142857 142857 ...", but we are using finite precision floating point numbers.
L...
UnicodeDecodeError, invalid continuation byte
Why is the below item failing? Why does it succeed with "latin-1" codec?
10 Answers
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Eclipse RCP开发桌面程序 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...候，会先执行Application的run方法，run方法的代码如下：
1 public Object run(Object args) throws Exception {
2 Display display = PlatformUI.createDisplay();
3 try {
4 int returnCode = PlatformUI.createAndRunWorkbench(display, new Ap...
Test if a vector contains a given element
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521
Both the match() (returns the first appearance) and %in% (returns a Boolean) functions are desig...
How to compare two floating point numbers in Bash?
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17 Answers
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What's an easy way to read random line from a file in Unix command line?
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13 Answers
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How can I strip first and last double quotes?
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13 Answers
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How can I get the named parameters from a URL using Flask?
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edited Jul 28 '14 at 15:50
Alex Stone
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