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Batch file: Find if substring is in string (not in a file)
..., you can use substitutions and check against the original string:
if not x%str1:bcd=%==x%str1% echo It contains bcd
The %str1:bcd=% bit will replace a bcd in str1 with an empty string, making it different from the original.
If the original didn't contain a bcd string in it, the modified version...
How to do a PUT request with curl?
...
Using the -X flag with whatever HTTP verb you want:
curl -X PUT -d arg=val -d arg2=val2 localhost:8080
This example also uses the -d flag to provide arguments with your PUT request.
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pandas read_csv and filter columns with usecols
...s.read_csv when I filter the columns with usecols and use multiple indexes.
5 Answers
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Difference between String replace() and replaceAll()
...ring 's replace() and replaceAll() methods,
other than later uses regex? For simple substitutions like, replace . with / ,
is there any difference?
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Python add item to the tuple
...items to append
a = ('2',)
items = ['o', 'k', 'd', 'o']
l = list(a)
for x in items:
l.append(x)
print tuple(l)
gives you
>>>
('2', 'o', 'k', 'd', 'o')
The point here is: List is a mutable sequence type. So you can change a given list by adding or removing elements. Tuple is an...
How to check if all of the following items are in a list?
...d, that there is related question, about how to find if at least one item exists in a list:
How to check if one of the following items is in a list?
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Why use the 'ref' keyword when passing an object?
...eference to a reference. This allows you to do things as described in the example given above. But, when the parameter type is a primitive value (e.g. int), then if this parameter is assigned to within the method, the value of the argument that was passed in will be changed after the method returns:...
How do I change permissions for a folder and all of its subfolders and files in one step in Linux?
...of a folder and all its sub folders and files in one step (command) in Linux.
16 Answers
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iOS UIImagePickerController result image orientation after upload
...aw image data. There's a good chance that this flag is being saved to the exif data in the uploaded jpeg image, but the program you use to view it is not honoring that flag.
To rotate the UIImage to display properly when uploaded, you can use a category like this:
UIImage+fixOrientation.h
@interf...