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Undoing a git rebase
Does anybody know how to easily undo a git rebase?
18 Answers
18
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iOS开发过程中的各种tips - 更多技术 - 清泛网 - 专注C/C++及内核技术
...可以去看原文。
1.返回输入键盘
<UITextFieldDelegate>
- (BOOL)textFieldShouldReturn:(UITextField *)textField {
[textField resignFirstResponder];
return YES;
}
2.CGRect
CGRectFromString(<#NSString *string#>)//有字符串恢复出矩形
CGRectInset(<#CGRect rect#>, <...
C++ Dynamic Shared Library on Linux
This is a follow-up to Dynamic Shared Library compilation with g++ .
4 Answers
4
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“Diff” an image using ImageMagick
How can I get the difference between two images? I have the original image. Someone has written on an exact duplicate of the original image. Now, I need to compare the original to the written on image and extract just the writing in image format.
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How does one reorder columns in a data frame?
...ws, and the 1,2,3,4 refers to the columns.
To change the order as in the above question do df2[,c(1,3,2,4)]
If you want to output this file as a csv, do write.csv(df2, file="somedf.csv")
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When do we need curly braces around shell variables?
In shell scripts, when do we use {} when expanding variables?
7 Answers
7
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How to pass an array within a query string?
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Here's what I figured out:
Submitting multi-value form fields, i.e. submitting arrays through GET/POST vars, can be done several different ways, as a standard is not necessarily spelled out.
Three possible ways to send multi-value fields or arrays would...
How do I validate a date string format in python?
...except ValueError:
raise ValueError("Incorrect data format, should be YYYY-MM-DD")
>>> validate('2003-12-23')
>>> validate('2003-12-32')
Traceback (most recent call last):
File "<pyshell#20>", line 1, in <module>
validate('2003-12-32')
File "<pyshe...
Calling Java from Python
What is the best way to call java from python?
(jython and RPC are not an option for me).
9 Answers
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Add Text on Image using PIL
...sing jquery ), where user can write some text on the Image. Which should be added on Image.
7 Answers
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