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Check for internet connection availability in Swift
...unc isConnectedToNetwork() -> Bool {
var zeroAddress = sockaddr_in(sin_len: 0, sin_family: 0, sin_port: 0, sin_addr: in_addr(s_addr: 0), sin_zero: (0, 0, 0, 0, 0, 0, 0, 0))
zeroAddress.sin_len = UInt8(sizeofValue(zeroAddress))
zeroAddress.sin_family = sa_family_t(AF_INET)...
What is move semantics?
...de our intentions clear: "Dear constructor, do whatever you want with a in order to initialize c; I don't care about a anymore. Feel free to have your way with a."
std::move(some_lvalue) casts an lvalue to an rvalue, thus enabling a subsequent move.
Xvalues
Note that even though std::move(a) ...
How do I mock an autowired @Value field in Spring with Mockito?
...
You can use the magic of Spring's ReflectionTestUtils.setField in order to avoid making any modifications whatsoever to your code.
Check out this tutorial for even more information, although you probably won't need it since the method is very easy to use
UPDATE
Since the introduction of ...
(How) can I count the items in an enum?
...ee an extra item in the enum, i.e.
enum foobar {foo, bar, baz, quz, FOOBAR_NR_ITEMS};
So then you can do:
int fuz[FOOBAR_NR_ITEMS];
Still not very nice though.
But of course you do realize that just the number of items in an enum is not safe, given e.g.
enum foobar {foo, bar = 5, baz, quz = ...
Worth switching to zsh for casual use? [closed]
...ct it with
tar -xzvf bash-completion-20060301.tar.gz
then copy the bash_completion/bash_completion file to /etc with
sudo cp bash_completion/bash_completion /etc
which will prompt you for your password. You probably will want to make a /etc/bash_completion.d directory for any additional comp...
I want to copy table contained from one database and insert onto another database table
...wered Oct 2 '13 at 21:07
HukeLau_DABAHukeLau_DABA
2,18744 gold badges2727 silver badges4747 bronze badges
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How do I open an old MVC project in Visual Studio 2012 or Visual Studio 2013?
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Highly active question. Earn 10 reputation in order to answer this question. The reputation requirement helps protect this question from spam and non-answer activity.
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iOS 5 Best Practice (Release/retain?)
...time compatibility glue code to your app. This works for everything except __weak variables, which require more support than the compatibility code can provide. ARC on iOS 4 is simpler than non-ARC code, but it's not as simple as ARC on iOS 5." By the way, the WWDC schedule app was written with AR...
In what cases will HTTP_REFERER be empty
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how to release localhost from Error: listen EADDRINUSE
...the process ID (PID) of the blocking application. You will need the PID in order to terminate / kill the process.
Here is a step-by-step guide...
Find all processes which are running on a specified port (in this example, Port is "3000"):
netstat -ano | find ":3000 "
The netstat command will ...