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What is the difference between i++ and ++i?
... ++i ( i being a number variable like int , float , double , etc). Anyone who knows this?
6 Answers
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How can I print literal curly-brace characters in python string and also use .format on it?
...ay: {0} refers to the first argument to .format(). You can print more than one value like {0} {1} {2} as long as you give the same number of arguments to .format(). See docs.python.org/library/string.html#format-examples for extensive examples.
– Greg Hewgill
F...
How to wait for all goroutines to finish without using time.Sleep?
...he counter when the goroutine completes.
defer wg.Done()
// Fetch the URL.
http.Get(url)
}(url)
}
// Wait for all HTTP fetches to complete.
wg.Wait()
}
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Why am I getting a “401 Unauthorized” error in Maven?
...2a, or 0.1.3 ("later") results in the error I was dealing with before this one:
– aliteralmind
Jul 18 '14 at 18:46
[ER...
Why can't I stop vim from wrapping my code?
...ly}
If you refer to auto wrapping of long lines sending them to the next one, try
:set textwidth=0
:set wrapmargin=0
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How to manage REST API versioning with spring?
...reak even if they should not) the abstracted requirement is an interesting one:
How can I do a custom request mapping that does arbitrary evaluations of header values from the request without doing the evaluation in the method body?
As described in this SO answer you actually can have the same @R...
How can I do test setup using the testing package in Go
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please note that ' code := m.Run() ' is the one that runs other TestFunctions !
– Alex Punnen
Aug 8 '19 at 8:58
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The simplest way to comma-delimit a list?
.../src/java/org/… The join method has 9 overloadings. The iteration-based ones are like "Sample solution 3"; the index-based ones use: if (i > startIndex) { <add separator> }
– 13ren
Mar 21 '09 at 11:15
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How do I remove all specific characters at the end of a string in PHP?
...ssing the OP wants to remove all '.' at the end, otherwise why remove just one? ;)
– Tor Valamo
Jan 13 '10 at 2:05
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How to view file diff in git before commit
...are to the penultimate commit with:
git diff master^ myfile.txt
and the one before that:
git diff master^^ myfile.txt
Also you can substitute '~' for the caret '^' character and 'you branch name' for 'master' if you are not on the master branch.
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