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Difference between C++03 throw() specifier C++11 noexcept
...iers were deprecated because exception specifiers are generally a terrible idea. noexcept was added because it's the one reasonably useful use of an exception specifier: knowing when a function won't throw an exception. Thus it becomes a binary choice: functions that will throw and functions that wo...
What is a handle in C++?
...hing from an integer index to a pointer to a resource in kernel space. The idea is that they provide an abstraction of a resource, so you don't need to know much about the resource itself to use it.
For instance, the HWND in the Win32 API is a handle for a Window. By itself it's useless: you can't ...
Assign variable in if condition statement, good practice or not? [closed]
...ice why? "To avoid accidental misuse of a variable, it is usually a good idea to introduce the variable into the smallest scope possible. In particular, it is usually best to delay the definition of a variable until one can give it an initial value ... One of the most elegant applications of these...
What is the proper way to check if a string is empty in Perl?
...hink that length is the closest test that we have to the expression of the idea that there is nothing in the string.
– brian d foy
Jan 12 '10 at 11:23
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How to add spacing between UITableViewCell
...al example to the basic UITableView example for Swift.
Overview
The basic idea is to create a new section (rather than a new row) for each array item. The sections can then be spaced using the section header height.
How to do it
Set up your project as described in UITableView example for Swift. (T...
Bash script processing limited number of commands in parallel
...e sure that each process will finish at the exact same time, this is a bad idea. You need to start up new jobs to keep the current total jobs at a certain cap .... parallel is the answer.
– rsaw
Jul 18 '14 at 17:26
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Install specific git commit with pip
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@vlad-ardelean any idea on how to tell pip IT IS a commit? This is getting outputed on my deploy script and I don't want to suppress all stderr.
– Leonardo Arroyo
Sep 6 '16 at 21:42
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what is the preferred way to mutate a React state?
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As much as I appreciate the idea behind immutability helpers (and I may end up using it anyway), Array.concat sure beats adding another library.
– Shawn Erquhart
Jan 2 '16 at 18:25
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Why should I care that Java doesn't have reified generics?
...T extends Object> void my_method(List<T> input) {} isn't a better idea.
– BalusC
Dec 18 '09 at 13:51
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What is the difference between exit and return? [duplicate]
...stems supporting it. Going back to the code before fork() is usually a bad idea. This is the rationale explaining why functions of the exec() family will never return to the caller.
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