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Printf width specifier to maintain precision of floating-point value
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#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.
Let's...
Openstreetmap: embedding map in webpage (like Google Maps)
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72
You need to use some JavaScript stuff to show your map. OpenLayers is the number one choice for...
How to format a java.sql Timestamp for displaying?
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7 Answers
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How to get the last character of a string in a shell?
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answered Jul 9 '13 at 7:58
perrealperreal
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How do I unit test web api action method when it returns IHttpActionResult?
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edited May 27 '15 at 21:56
answered Nov 12 '13 at 18:46
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converting a .net Func to a .net Expression
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Mehrdad AfshariMehrdad Afshari
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Fastest way to get the first object from a queryset in django?
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Boris
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answered Nov 18 '13 at 14:07
cod3monk3ycod3monk...
Imitating a blink tag with CSS3 animations
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NeilNeil
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Real life example, when to use OUTER / CROSS APPLY in SQL
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175
Some uses for APPLY are...
1) Top N per group queries (can be more efficient for some cardinal...
Remove columns from dataframe where ALL values are NA
...umeric columns.
– verbamour
Feb 1 '17 at 23:17
It changes column name if they are duplicated
– P...