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C++ - passing references to std::shared_ptr or boost::shared_ptr
...ed_ptr, rather than relying on a reference to an existing shared_ptr.
The downside is that copied a shared_ptr is not free: even "lock-free" implementations have to use an interlocked operation to honour threading guarantees. So there may be situations where a program can be significantly sped up b...
Is there a built-in function to print all the current properties and values of an object?
... etc. according to their authors' preferences. But they all basically boil down to this.
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Check number of arguments passed to a Bash script
... "$#" -ne 1 ] && ( usage && exit 1 ) || main
This breaks down to:
test the bash variable for size of parameters $# not equals 1 (our number of sub commands)
if true then call usage() function and exit with status 1
else call main() function
Thinks to note:
usage() can just b...
Why are C++ inline functions in the header?
...its to contain (identical) definitions.
The two explanations really boil down to the fact that the inline keyword doesn't exactly do what you'd expect.
A C++ compiler is free to apply the inlining optimization (replace a function call with the body of the called function, saving the call overhead...
Vim: apply settings on files in directory
...rectory.
It's also recommended to :set secure when using this. This locks down :autocmd, shell and write commands for .vimrc in the current directory.
Another thing that might be worth looking at is setting up a session (:h session) with a standard view and settings for the project.
All that said...
What is the purpose of the implicit grant authorization type in OAuth 2?
...
It boils down to: If a user is running a browser-based, or "public", (JavaScript) web app with no server side component, then the user implicitly trusts the app (and the browser where it runs, potentially with other browser-based apps...
Difference between Key, Primary Key, Unique Key and Index in MySQL
...x. Adding an index can improve the performance of queries (but it can slow down modifications to the table).
You should use UNIQUE when you want to contrain the values in that column (or columns) to be unique, so that attempts to insert duplicate values result in an error.
A PRIMARY KEY is both a ...
Working with time DURATION, not time of day
...d hit enter/return. Grab the lower right corner of cell B2 and drag as far down as the A column goes to apply the formula to all data in col A.
Last step, be sure to highlight all of column B and set it to Number format (the application of the formula may have automatically set format to Time).
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How do I split a string with multiple separators in javascript?
...e variety of functions. What looked like 'low overhead' can end up slowing down execution of otherwise optimized code by orders of magnitude.
– Kyle Baker
Jun 24 at 3:23
add a...
Procedure expects parameter which was not supplied
...view tabs] next to the name of the dataset selected, there is another drop down control that lets you change the CommandType. Enjoy!
– SarjanWebDev
Aug 14 '12 at 6:17
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