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What is “rvalue reference for *this”?
...of this post. It's way easier to understand it with this wording though.
Next, the following code chooses the function to be called based on the ref-qualifier of the "implicit object parameter" of the function†:
// t.cpp
#include <iostream>
struct test{
void f() &{ std::cout << ...
How do you find the disk size of a Postgres / PostgreSQL table and its indexes
...ng to Postgres from Oracle and looking for a way to find the table and index size in terms of bytes/MB/GB/etc , or even better the size for all tables. In Oracle I had a nasty long query that looked at user_lobs and user_segments to give back an answer.
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How can I add a hint text to WPF textbox?
For example, Facebook has a "Search" hint text in the Search text box when the textbox is empty.
14 Answers
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Jasmine.js comparing arrays
Is there a way in jasmine.js to check if two arrays are equal, for example:
4 Answers
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Is It Possible to NSLog C Structs (Like CGRect or CGPoint)?
I want to be able to debug C structures without having to explicitly type every property that they consist of.
8 Answers
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Create a matrix of scatterplots (pairs() equivalent) in ggplot2
Is it possible to plot a matrix of scatter plots with ggplot2 , using ggplot 's nice features like mapping additional factors to color, shape etc. and adding smoother?
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Bash script to cd to directory with spaces in pathname
I'm using Bash on macOS X and I'd like to create a simple executable script file that would change to another directory when it's run. However, the path to that directory has spaces in it. How the heck do you do this? This is what I have...
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How to find whether or not a variable is empty in Bash
...t useless, if I do not inlcude I ma getting ./test.ksh[8]: test: argument expected dunnot the reason but single bracket didn't work but the double one had it.
– gahlot.jaggs
Oct 4 '13 at 7:24
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Why do x86-64 instructions on 32-bit registers zero the upper part of the full 64-bit register?
In the x86-64 Tour of Intel Manuals , I read
3 Answers
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How to determine if object is in array [duplicate]
I need to determine if an object already exists in an array in javascript.
11 Answers
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