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Reverse a string in Python
...; 'hello world'[::-1]
'dlrow olleh'
This is extended slice syntax. It works by doing [begin:end:step] - by leaving begin and end off and specifying a step of -1, it reverses a string.
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How many double numbers are there between 0.0 and 1.0?
This is something that's been on my mind for years, but I never took the time to ask before.
6 Answers
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Why can a function modify some arguments as perceived by the caller, but not others?
...objects you pass (via names in a caller scope).
Objects can be mutable (like lists) or immutable (like integers, strings in Python). Mutable object you can change. You can't change a name, you just can bind it to another object.
Your example is not about scopes or namespaces, it is about naming an...
How to compare times in Python?
...e's also datetime.timedelta() , but I'm struggling to find out how to check if the current time ( datetime.datetime.now() ) is earlier, later or the same than a specified time (e.g. 8am) regardless of the date.
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Is it possible to adjust x,y position for titleLabel of UIButton?
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//make the buttons content appear in the top-left
[button setContentHorizontalAlignment:UIControlContentHorizontalAlignmentLeft];
[button setContentVerticalAlignment:UIControlContentVerticalAlignmentTop];
//move text 10 pixels d...
Initializing a static std::map in C++
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Maven is not working in Java 8 when Javadoc tags are incomplete
...ot possible (ie: auto generated source code) then you can disable this check.
DocLint is a new feature in Java 8, which is summarized as:
Provide a means to detect errors in Javadoc comments early in the
development cycle and in a way that is easily linked back to the
source code.
This is...
Why should I not include cpp files and instead use a header?
... assignment and received my grade. But according to the grading, I lost marks for including cpp files instead of compiling and linking them . I'm not too clear on what that means.
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When do I use the PHP constant “PHP_EOL”?
...For instance, it will not find a Windows endline when executed on a unix-like system.
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JavaScript module pattern with example [closed]
...e examples showing how two (or more) different modules are connected to work together.
5 Answers
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