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What is a “callback” in C and how are they implemented?
...ng connection requests.
SOCKET ListenSocket;
ListenSocket = socket(AF_INET, SOCK_STREAM, IPPROTO_TCP);
if (ListenSocket == INVALID_SOCKET) {
wprintf(L"socket failed with error: %ld\n", WSAGetLastError());
WSACleanup();
return 1;
}
//----------------------
...
Is this a “good enough” random algorithm; why isn't it used if it's faster?
...w Random();
var qrand = new QuickRandom();
int w = 600;
int h = 600;
CreateMatrix(w, h, rand.NextDouble).Save("System.Random.png", ImageFormat.Png);
CreateMatrix(w, h, qrand.Random).Save("QuickRandom.png", ImageFormat.Png);
}
...
Check for internet connection availability in Swift
...nt8(sizeofValue(zeroAddress))
zeroAddress.sin_family = sa_family_t(AF_INET)
let defaultRouteReachability = withUnsafePointer(&zeroAddress) {
SCNetworkReachabilityCreateWithAddress(nil, UnsafePointer($0)).takeRetainedValue()
}
var flags: SCNetworkReac...
Calc of max, or max of calc in CSS
...he demo on CodePen, and you can edit it for your own testing).
.parent600, .parent500, .parent400 {
height: 80px;
border: 1px solid lightgrey;
}
.parent600 {
width: 600px;
}
.parent500 {
width: 500px;
}
.parent400 {
width: 400px;
}
.parent600 .child, .parent50...
What is the difference between “screen” and “only screen” in media queries?
...n. For example:
media="only screen and (min-width: 401px) and (max-width: 600px)"
Browsers that don't recognize media queries expect a comma-separated list of media types, and the specification says they should truncate each value immediately before the first nonalphanumeric character that isn't ...
Permission denied (publickey) when deploying heroku code. fatal: The remote end hung up unexpectedly
...ons on heroku.pub threw an error when I tried to git push. I had to chmod 600 heroku.pub and then when I pushed it worked.
– Dylan Valade
Oct 12 '12 at 2:53
1
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std::vector performance regression when enabling C++11
... # 0.35 stalled cycles per insn ( +- 0.23% ) [87.66%]
37,366,375 branches # 1052.263 M/sec ( +- 0.48% ) [88.61%]
26,621 branch-misses # 0.07% of all branches ( +- 5.28% ) [83.26%]
0...
WARNING: UNPROTECTED PRIVATE KEY FILE! when trying to SSH into Amazon EC2 Instance
...
I've chmoded my keypair to 600 in order to get into my personal instance last night,
And this is the way it is supposed to be.
From the EC2 documentation we have "If you're using OpenSSH (or any reasonably paranoid SSH client) then you'll probably...
How to show particular image as thumbnail while implementing share on Facebook?
...mage" content="http://siim.lepisk.com/wp-content/uploads/2011/01/siim-blog-fb.png" />
Source: Facebook Share
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Can You Get A Users Local LAN IP Address Via JavaScript?
...y default. It shows something similar to e87e041d-15e1-4662-adad-7a6601fca9fb.local . This behaviour can be changes by setting the variable #enable-webrtc-hide-local-ips-with-mdns to disabled in Chrome://flags
– injaon
Sep 11 '19 at 14:51
...