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How should one use std::optional?
... but I don't understand when I should use it or how I should use it. The site doesn't contain any examples as of yet which leaves it harder for me to grasp the true concept of this object. When is std::optional a good choice to use, and how does it compensate for what was not found in the previo...
Which is faster/best? SELECT * or SELECT column1, colum2, column3, etc
...erver. But if
performance is not a big issue (for example, this is a website content database with hundreds, maybe thousands - but not millions - of rows in each table); AND
your job is to create many small, similar applications (e.g. public-facing content-managed websites) using a common framewo...
How do you design object oriented projects? [closed]
...that still captures the essence of what your program is for. For this web site, for example, the core use cases might be log in, ask a question, answer a question, and view questions and answers. Nothing about reputation, voting, or the community wiki, just the raw essence of what you're shooting ...
Proper stack and heap usage in C++?
...to use the heap; if you run out of stack space, the runtime will throw the site titular exception. Not usually a big deal, but another thing to consider.
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How to ignore files/directories in TFS for avoiding them to go to central source repository?
...TFS / Team Explorer / Visual Studio 2008). These methods work with the web site ASP project type, too.
One way is to add a new or existing item to a project (e.g. right click on project, Add Existing Item or drag and drop from Windows explorer into the solution explorer), let TFS process the file(s...
Can someone explain the traverse function in Haskell?
... under "List-encoding-programmer" (but using list comprehensions). That website is comprehensive :)
– hugomg
Sep 18 '11 at 15:06
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Asynchronous vs synchronous execution, what does it really mean? [closed]
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but as you can see in computers it means the opposite
– Muhammad Umer
Sep 8 '13 at 14:57
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Enabling HTTPS on express.js
...ver runs only on https so when any request come from http it gives “This site can’t be reached” error in client browser. And we loss our website traffic. So we must redirect http request to https, same rules allow for websocket otherwise socket will fails.
So we need to run same server on por...
When would you use a WeakHashMap or a WeakReference?
... application which has to work
with user-supplied images, like the
web site design tool I work on.
Naturally you want to cache these
images, because loading them from disk
is very expensive and you want to
avoid the possibility of having two
copies of the (potentially gigantic)
image...
Is volatile expensive?
...ile stores. If you picked this up from the Brian Goetz article on the IBM site, then it's worth mentioning that this article over simplifies the JMM specification.
– Michael Barker
Mar 7 '12 at 23:37
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