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How to throw std::exceptions with variable messages?
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49
Here is my solution:
#include <stdexcept>
#include <sstream>
class Formatter
{
pu...
No Swipe Back when hiding Navigation Bar in UINavigationController
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edited Jan 8 '16 at 17:46
nburk
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answered ...
App Inventor 2 动态创建组件与布局教程 · App Inventor 2 中文网
...件类型
四、基础操作：创建按钮和标签
4.1 动态创建一个按钮
4.2 动态创建标签和文本框
五、动态组件的事件处理
5.1 点击事件
5.2 长按事件
5.3 焦点事件（适用于文本框）
5.4 使用...
UTF-8: General? Bin? Unicode?
...following post from MySQL forums:
http://forums.mysql.com/read.php?103,187048,188748
As for utf8_bin:
Both utf8_general_ci and utf8_unicode_ci perform case-insensitive comparison. In constrast, utf8_bin is case-sensitive (among other differences), because it compares the binary values of the charac...
How to assign colors to categorical variables in ggplot2 that have stable mapping?
...ond plot with only four of the levels
p2 <- p %+% droplevels(subset(dat[4:10,])) + colScale
The first plot looks like this:
and the second plot looks like this:
This way you don't need to remember or check each data frame to see that they have the appropriate levels.
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Circle line-segment collision detection algorithm?
... b = 2*f.Dot( d ) ;
float c = f.Dot( f ) - r*r ;
float discriminant = b*b-4*a*c;
if( discriminant < 0 )
{
// no intersection
}
else
{
// ray didn't totally miss sphere,
// so there is a solution to
// the equation.
discriminant = sqrt( discriminant );
// either solution may be on o...
A simple explanation of Naive Bayes Classification
...D objects / total number of objects
Since there is a total of 60 objects, 40 of which are GREEN and 20 RED, our prior probabilities for class membership are:
Prior Probability for GREEN: 40 / 60
Prior Probability for RED: 20 / 60
Having formulated our prior probability, we are now ready to class...
Best way to strip punctuation from a string
...imeit(1000000)
This gives the following results:
sets : 19.8566138744
regex : 6.86155414581
translate : 2.12455511093
replace : 28.4436721802
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What is the difference between '/' and '//' when used for division?
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smci
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answered Oct 8 '08 at 17:21
Eli CourtwrightEli ...
In node.JS how can I get the path of a module I have loaded via require that is *not* mine (i.e. in
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Linus ThielLinus Thiel
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