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Meaning of 'const' last in a function declaration of a class?
... and you cannot therefore change any member data. (Unless you use mutable, more on that later).
The const keyword is part of the functions signature which means that you can implement two similar methods, one which is called when the object is const, and one that isn't.
#include <iostream>
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How to send a header using a HTTP request through a curl call?
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More detailed answer here: stackoverflow.com/questions/14978411/… :)
– Amith Koujalgi
Dec 19 '17 at 18:09
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Why do you program in assembly? [closed]
...mpilers tend to be pretty conservative and may not be aware of some of the more advanced features of your architecture. If you're willing to accept some error, you can usually do better than the compiler, and it's worth writing that little bit of code in assembly if you find that lots of time is sp...
How do I make a Git commit in the past?
... of Git.
Inserting a File Into a Multi-ref History
If your repository is more complex (i.e. it has more than one ref (branches, tags, etc.)), then you will probably need to use git filter-branch. Before using git filter-branch, you should make a backup copy of your entire repository. A simple tar ...
What is the difference between `new Object()` and object literal notation?
...as to what is happening, so using new Object(), you are really just typing more and (in theory, if not optimized out by the JavaScript engine) doing an unnecessary function call.
These
person = new Object() /*You should put a semicolon here too.
It's not required, but it is good practice.*/
-o...
How to dynamically build a JSON object with Python?
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SQL exclude a column using SELECT * [except columnA] FROM tableA?
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Why does PostgreSQL perform sequential scan on indexed column?
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If the SELECT returns more than approximately 5-10% of all rows in the table, a sequential scan is much faster than an index scan.
This is because an index scan requires several IO operations for each row (look up the row in the index, then ret...
Measuring execution time of a function in C++
...ing for a function. This is because the CPU of your machine can be less or more used by other processes running on your computer, just as your mind can be more or less concentrated when you solve a math exercise. In the human mind, we can remember the solution of a math problem, but for a computer t...
How to find encoding of a file via script on Linux?
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