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How do you get a Golang program to print the line number of the error it just called?
I was trying to throw errors in my Golang program with log.Fatal but, log.Fatal does not also print the line where the log.Fatal was ran. Is there no way of getting access to the line number that called log.Fatal? i.e. is there a way to get the line number when throwing an error?
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Can you provide some examples of why it is hard to parse XML and HTML with a regex? [closed]
One mistake I see people making over and over again is trying to parse XML or HTML with a regex. Here are a few of the reasons parsing XML and HTML is hard:
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How to un-escape a backslash-escaped string?
Suppose I have a string which is a backslash-escaped version of another string. Is there an easy way, in Python, to unescape the string? I could, for example, do:
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LD_LIBRARY_PATH vs LIBRARY_PATH
I'm building a simple C++ program and I want to temporarily substitute a system supplied shared library with a more recent version of it, for development and testing.
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UIView's frame, bounds, center, origin, when to use what?
UIView has the properties frame , bounds , center , and origin , and they all seem to be interrelated. Most of the time, I deal with frame when setting the position and size of a UIView . I understand that frame is using global coordinate system and bounds is using coordinate of the lo...
python's re: return True if string contains regex pattern
...word = 'fubar'
regexp = re.compile(r'ba[rzd]')
if regexp.search(word):
print 'matched'
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Determine when a ViewPager changes pages
I have three pages (Fragments) inside a ViewPager, however I only want to display a menu item for two of those pages.
5 Ans...
Where do I mark a lambda expression async?
...udio that Async void methods are not supported.
– Kevin Burton
Dec 11 '19 at 16:01
@Kevin Burton: Yeah, async voids ar...
How to npm install to a specified directory?
Is it possible to specify a target directory when running npm install <package> ?
4 Answers
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Fastest way to remove first char in a String
Say we have the following string
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