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Git mergetool generates unwanted .orig files
When I do a merge conflict resolution with Kdiff3 (and other merge tool I tried) I noticed that on resolution a *.orig file is created. Is there a way for it to not create that extra file?
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What is the difference between printf() and puts() in C?
...than printf but be aware that the former automatically appends a newline. If that's not what you want, you can fputs your string to stdout or use printf.
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How can I remove a commit on GitHub? [duplicate]
...n your local repository. You can do this using git rebase -i. For example, if it's your last commit, you can do git rebase -i HEAD~2 and delete the second line within the editor window that pops up.
Then, force push to GitHub by using git push origin +branchName --force
See Git Magic Chapter 5: Less...
如何选择机器学习算法 - 大数据 & AI - 清泛网移动版 - 专注C/C++及内核技术
如何选择机器学习算法Choosing-a-Machine-Learning-Classifier如何针对某个分类问题决定使用何种机器学习算法？ 当然，如果你真心在乎准确率，最好的途径就是测试一大堆各式各样的算法（同时确保在每个算法上也测试不同的参数），...
Which Eclipse files belong under version control?
...in - to force a reinitialization of the eclipse metadata. But this option, if checked, will remove your detailed launch parameters!)
project-dir/.project
project-dir/.classpath
project-dir/.settings/*
should be in your SCM (especially .project and .classpath according to the Eclipse documentatio...
Constructing pandas DataFrame from values in variables gives “ValueError: If using all scalar values
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The error message says that if you're passing scalar values, you have to pass an index. So you can either not use scalar values for the columns -- e.g. use a list:
>>> df = pd.DataFrame({'A': [a], 'B': [b]})
>>> df
A B
0 2 3
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Should I use Java's String.format() if performance is important?
....println("Time after for loop " + time);
}
}
Running the above for different N shows that both behave linearly, but String.format is 5-30 times slower.
The reason is that in the current implementation String.format first parses the input with regular expressions and then fills in the parame...
Array.Copy vs Buffer.BlockCopy
...time when you are copying primitive type arrays, or should you only use it if you're coding for performance? Is there anything inherently dangerous about using Buffer.BlockCopy over Array.Copy ?
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How do I draw a shadow under a UIView?
...e(-15, 20), 5);
but before
CGContextRestoreGState(currentContext);
So if you want the superclass's drawRect: to be 'wrapped' in a shadow, then how about if you rearrange your code like this?
- (void)drawRect:(CGRect)rect {
CGContextRef currentContext = UIGraphicsGetCurrentContext();
CG...
Convert a number range to another range, maintaining ratio
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NewValue = (((OldValue - OldMin) * NewRange) / OldRange) + NewMin
Or if you want to protect for the case where the old range is 0 (OldMin = OldMax):
OldRange = (OldMax - OldMin)
if (OldRange == 0)
NewValue = NewMin
else
{
NewRange = (NewMax - NewMin)
NewValue = (((OldValue - Old...