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Can you run GUI applications in a Docker container?
...rmissions. This results in xauth inside docker container not being able to read the file. You can verify by running xauth list within the docker container. I have added chmod 755 $XAUTH after the xauth nlist :0 | ... command to resolve this.
– Abai
Sep 28 '17 a...
What's the opposite of 'make install', i.e. how do you uninstall a library in Linux?
... basic checkinstall usage and debian checkinstall package.
*: If you're reading this after having installed with make install you can still follow the above instructions and do a dpkg -r $PACKAGE_NAME_YOU_CHOSEN afterwards.
...
How does a “stack overflow” occur and how do you prevent it?
...t been overwritten.
Use memory protection (ie, no execute on the stack, no read or write just outside the stack)
Interrupts don't call secondary functions - they set flags, copy data, and let the application take care of processing it (otherwise you might get 8 deep in your function call tree, have ...
Why is `std::move` named `std::move`?
...intent of this naming is not to confuse, but rather to make your code more readable.
The history of move dates back to the original move proposal in 2002. This paper first introduces the rvalue reference, and then shows how to write a more efficient std::swap:
template <class T>
void
swap(T...
How to add one day to a date? [duplicate]
...nstants for the values.
Important hint: That is not correct in all cases. Read the WARNING comment, below.
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ApartmentState for dummies
..., one of the things that COM does but .NET completely skips is providing threading guarantees for a class. A COM class can publish what kind of threading requirements it has. And the COM infrastructure makes sure those requirements are met.
This is completely absent in .NET. You can use a Queue&...
html5 localStorage error with Safari: “QUOTA_EXCEEDED_ERR: DOM Exception 22: An attempt was made to
...(in Safari, at least, you can't overwrite the localStorage variable (it's 'read-only'), but you can reassign setItem/removeItem/getItem).
– Ruben Martinez Jr.
Feb 26 '16 at 19:08
...
What does the arrow operator, '->', do in Java?
...fine the method in a separate place rather pass in the body of the method, read about anonymous method followed by lambda.
– Vivek Shukla
Jun 5 at 19:42
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Favourite performance tuning tricks [closed]
...ndex would help by limiting the number of rows coming in (which saves disk reads).
Focus on the largest cost subtree first. Changing that subtree can often change the entire query plan.
Common problems I've seen are:
If there's a lot of joins, sometimes Sql Server will choose to expand the joins, ...
What is the worst gotcha in C# or .NET? [closed]
...hods, leading to nasty situations like this:
using System;
using System.Threading;
class Test
{
static void Main()
{
for (int i=0; i < 10; i++)
{
ThreadStart ts = delegate { Console.WriteLine(i); };
new Thread(ts).Start();
}
}
}
What...