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What are the main purposes of using std::forward and which problems it solves?
...; c)
{
E(a, b, c);
}
Which fixes the above problem, but flips flops. It now fails to allow E to have non-const arguments:
int i = 1, j = 2, k = 3;
void E(int&, int&, int&); f(i, j, k); // oops! E cannot modify these
The third attempt accepts const-references, but then const_cast...
master branch and 'origin/master' have diverged, how to 'undiverge' branches'?
...
You can review the differences with a:
git log HEAD..origin/master
before pulling it (fetch + merge) (see also "How do you get git to always pull from a specific branch?")
When you have a message like:
"Your branch and 'origin/master' have diverge...
Will code in a Finally statement fire if I return a value in a Try block?
...
@Edi: Um, I don't see what background threads have to do with it. Basically, unless the whole process aborts, the finally block will execute.
– Jon Skeet
Sep 22 '16 at 13:57
...
What is thread safe or non-thread safe in PHP?
... handling requests, one of which (called the worker MPM) uses threads. But it supports another concurrency model called the prefork MPM which uses processes -- that is, the web server will create/dedicate a single process for each request.
There are also other completely different concurrency model...
Save bitmap to location
I am working on a function to download an image from a web server, display it on the screen, and if the user wishes to keep the image, save it on the SD card in a certain folder. Is there an easy way to take a bitmap and just save it to the SD card in a folder of my choice?
...
How do I add tab completion to the Python shell?
...
I may have found a way to do it.
Create a file .pythonrc
# ~/.pythonrc
# enable syntax completion
try:
import readline
except ImportError:
print("Module readline not available.")
else:
import rlcompleter
readline.parse_and_bind("tab: co...
Difference between $(window).load() and $(document).ready() functions
...
document.ready is a jQuery event, it runs when the DOM is ready, e.g. all elements are there to be found/used, but not necessarily all content.
window.onload fires later (or at the same time in the worst/failing cases) when images and such are loaded, so if y...
How to retrieve form values from HTTPPOST, dictionary or?
...omatically create this object for you:
[HttpPost]
public ActionResult SubmitAction(SomeModel model)
{
var value1 = model.SimpleProp1;
var value2 = model.SimpleProp2;
var value3 = model.ComplexProp1.SimpleProp1;
...
... return something ...
}
Another (obviously uglier) way is:...
What does “S3 methods” mean in R?
...om/svn/trunk/google-r-style.html )*. However, I do not know the exact definition of S3 methods/objects.
6 Answers
...
Docker and securing passwords
I've been experimenting with Docker recently on building some services to play around with and one thing that keeps nagging me has been putting passwords in a Dockerfile. I'm a developer so storing passwords in source feels like a punch in the face. Should this even be a concern? Are there any good ...