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What is the purpose of Rank2Types?
... Country) -> IO ()
The problem is that we could accidentally run
f (\_ -> BestAlly)
and then we'd be in big trouble! Giving f a rank 1 polymorphic type
f :: ([a] -> a) -> IO ()
doesn't help at all, because we choose the type a when we call f, and we just specialize it to Country ...
How to define @Value as optional
...swered Jan 8 '18 at 13:23
alonso_50alonso_50
9941010 silver badges1515 bronze badges
...
warning this call is not awaited, execution of the current method continues
...scard variables: Discards - C# Guide, which can also help in this regard.
_ = SomeMethodAsync();
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Modify tick label text
...itioned and
# won't have values yet.
fig.canvas.draw()
labels = [item.get_text() for item in ax.get_xticklabels()]
labels[1] = 'Testing'
ax.set_xticklabels(labels)
plt.show()
To understand the reason why you need to jump through so many hoops, you need to understand a bit more about how matp...
How do I hide a menu item in the actionbar?
... calling menu.findItem()) and call setVisible() on it. The answers by suhas_sm and by P1r4nh4 present the correct approach.
– Ted Hopp
Jun 24 '14 at 17:33
...
Passing references to pointers in C++
...e calling scope, not an anonymous string pointer. Thus:
string s;
string* _s = &s;
myfunc(_s);
should compile just fine.
However, this is only useful if you intend to modify the pointer you pass to the function. If you intend to modify the string itself you should use a reference to the stri...
Duplicate headers received from server
...invalidChars);
string replace = Regex.Replace(name, invalidReStr, "_").Replace(";", "").Replace(",", "");
return replace;
}
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pandas resample documentation
...s" is also absent from the list for instance
– Julien__
Jul 9 at 16:58
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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)...
Why doesn't String switch statement support a null case?
...h { // 1
2236: 28
default: 59
}
28: aload_3
29: ldc #22 // String Ea
31: invokevirtual #24 // Method java/lang/String.equals:(Ljava/lang/Object;)Z
34: ifne 49
37: aload_3
38: ldc #2...