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Qt events and signal/slots
...
The Qt documentation probably explains it best:
In Qt, events are objects, derived
from the abstract QEvent class, that
represent things that have happened
either within an application or as a
result of outside activity that the
application needs to kno...
How to determine CPU and memory consumption from inside a process?
... of it, and thus only 410 MB of pages have been assigned to it.
The only item I'm not sure about is Swapspace currently used by my process. I don't know if this is available.
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Error message “Forbidden You don't have permission to access / on this server” [closed]
...without analysing what's in that directory structure. For production it's best to keep to the default directory or another directory structure that's just for holding web assets.
Edit2: as u/chimeraha pointed out, if you're not sure what you're doing with the permissions, it'd be best to move your...
Set up DNS based URL forwarding in Amazon Route53 [closed]
...me "url-redirect-example.vivekmchawla.com".
Select whatever region works best for you. If you don't know, keep the default.
Don't worry about setting up logging. Just click the "Create" button when you're ready.
Step 3: Enable Static Website Hosting and Specify Routing Rules
In the pro...
Spring MVC: How to perform validation?
I would like to know what is the cleanest and best way to perform form validation of user inputs. I have seen some developers implement org.springframework.validation.Validator . A question about that: I saw it validates a class. Does the class have to be filled manually with the values from the us...
What's the right way to pass form element state to sibling/parent elements?
...me of the documentation, and it seems to be inline with their thinking and best practices. React has truly excellent documentation, and every time I end up wondering where something should go, they typically have it covered somewhere in the docs. Check out the section on state here, facebook.github....
How do I give text or an image a transparent background using CSS?
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This is the best solution I could come up with, NOT using CSS 3. And it works great on Firefox, Chrome, and Internet Explorer as far as I can see.
Put a container div and two children divs at the same level, one for content, one for the...
How to do a FULL OUTER JOIN in MySQL?
...Steve Chambers: [From comments, with many thanks!]
Note: This may be the best solution, both for efficiency and for generating the same results as a FULL OUTER JOIN. This blog post also explains it well - to quote from Method 2: "This handles duplicate rows correctly and doesn’t include anything...
Git Cherry-pick vs Merge Workflow
...orkflow fairly easily. rebase tends to be considered more advanced. It's best to understand both, but people who do not want to be experts in version control (which in my experience has included many colleagues who are damn good at what they do, but don't want to spend the extra time) have an easi...
How many concurrent requests does a single Flask process receive?
...chronous workers, namely eventlet and gevent (and also tornado, but that's best used with the Tornado framework, it seems). By specifying one of these async workers with the --worker-class flag, what you get is Gunicorn managing a number of async processes, each of which managing its own concurrency...