How to strip type from Javascript FileReader base64 string?

The following functions will achieve your desired result: var base64result = reader.result.split(‘,’)[1]; This splits the string into an array of strings with the first item (index 0) containing data:image/png;base64 and the second item (index 1) containing the base64 encoded data. Another solution is to find the index of the comma and then simply cut off … Read more

Python strip with \n [duplicate]

You should be able to use line.strip(‘\n’) and line.strip(‘\t’). But these don’t modify the line variable…they just return the string with the \n and \t stripped. So you’ll have to do something like line = line.strip(‘\n’) line = line.strip(‘\t’) That should work for removing from the start and end. If you have \n and \t … Read more

How to remove unused C/C++ symbols with GCC and ld?

For GCC, this is accomplished in two stages: First compile the data but tell the compiler to separate the code into separate sections within the translation unit. This will be done for functions, classes, and external variables by using the following two compiler flags: -fdata-sections -ffunction-sections Link the translation units together using the linker optimization … Read more

Remove trailing newline from the elements of a string list

You can either use a list comprehension my_list = [‘this\n’, ‘is\n’, ‘a\n’, ‘list\n’, ‘of\n’, ‘words\n’] stripped = [s.strip() for s in my_list] or alternatively use map(): stripped = list(map(str.strip, my_list)) In Python 2, map() directly returned a list, so you didn’t need the call to list. In Python 3, the list comprehension is more concise … Read more

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