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What is std::promise?
...shes, our result is ready:
auto res = fut.get(); // as before
Now we're down to the lowest level: How would we implement the packaged task? This is where the std::promise comes in. The promise is the building block for communicating with a future. The principal steps are these:
The calling thre...
Using pip behind a proxy with CNTLM
...roxy http://web-proxy.mydomain.com install somepackage
But exporting the https_proxy environment variable (note its https_proxy not http_proxy) did the trick:
export https_proxy=http://web-proxy.mydomain.com
then
sudo -E pip install somepackage
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UIView frame, bounds and center
... lie inside of the blue square or outside of it. I am just trying to track down the changes and make sense of it. Thanks for taking time to answer.
– nimgrg
Jun 20 '13 at 8:41
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Why do you program in assembly? [closed]
...ics (Lattice QCD). This paper describes how the problem pretty much boils down to one very small computational kernel, which was optimized heavily for PowerPC 440's on an IBM Blue Gene/L. Each 440 has two FPUs, and they support some special ternary operations that are tricky for compilers to explo...
How did I get a value larger than 8 bits in size from an 8-bit integer?
I tracked down an extremely nasty bug hiding behind this little gem. I am aware that per the C++ spec, signed overflows are undefined behavior, but only when the overflow occurs when the value is extended to bit-width sizeof(int) . As I understand it, incrementing a char shouldn't ever be undefin...
Try catch statements in C
...unctions can also have a try/catch block.
Using this code has a number of down sides (but is a fun mental exercise):
It will not free allocated memory as there are no deconstructors being called.
You can't have more than 1 try/catch in a scope (no nesting)
You can't actually throw exceptions or o...
Can I change all my http:// links to just //?
... context is different. The only contexts you should use them in is http vs https.
– Synchro
Jan 30 '13 at 7:11
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Detect HTTP or HTTPS then force HTTPS in JavaScript
Is there any way to detect HTTP or HTTPS and then force usage of HTTPS with JavaScript?
13 Answers
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How do you clear the SQL Server transaction log?
...itched to simple, then shrink database and switched back to full. log file down to 500kb!
– Simon_Weaver
Sep 17 '09 at 6:28
26
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How do I pull my project from github?
...git@github.com:username/repo.git
Update:
And this is the official guide:
https://help.github.com/articles/fork-a-repo
Take a look at:
https://help.github.com/
It has really useful content
share
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