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xtree(1796): warning C4800: “int”: 将值强制为布尔值“true”或“false...
...e\xtree(1775): 参见对正在编译的函数 模板 实例化“std::pair<_Ty1,_Ty2> std::_Tree<_Traits>::_Insert_nohint<std::pair<const _Kty,_Ty>&,_Nodety>(bool,_Valty,_Nodety)”的引用
1> with
1> [
1> _Ty1=std::_Tree_iterator<std::_Tree_val<std::_Tree_simple_t...
multiple prints on the same line in Python
I want to run a script, which basically shows an output like this:
17 Answers
17
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How to initialize private static members in C++?
...t be done outside of any function.
Note: Matt Curtis: points out that C++ allows the simplification of the above if the static member variable is of const int type (e.g. int, bool, char). You can then declare and initialize the member variable directly inside the class declaration in the header fil...
Select random lines from a file
... @MonaJalal nope just faster, since it doesn't have to compare lines at all.
– rogerdpack
May 15 '17 at 17:20
Does ...
How to define hash tables in Bash?
...ecuting your script directly, or execute script with bash script. (Not actually executing a Bash script with Bash does happen, and will be really confusing!)
You declare an associative array by doing:
declare -A animals
You can fill it up with elements using the normal array assignment operator....
Could not reserve enough space for object heap
...
Anyone found a solution that actually work 100% of the time? This solution solves the problem temporarily but then suddenly it comes back. I've got 16GB ram and I'm tired of this sh*t. Everything was better in the old days :[
– Nilzor
...
What is a C++ delegate?
...lt;int(double)> f = [can be set to about anything in this answer]
// Usually more useful as a parameter to another functions
Option 6: binding (using std::bind)
Allows setting some parameters in advance, convenient to call a member function for instance.
struct MyClass
{
int DoStuff(dou...
Accessing a Dictionary.Keys Key through a numeric index
... For some the order is not relevant - just the fact that you went through all the keys.
– Royi Mindel
Dec 7 '16 at 9:15
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show 2 more comme...
Iterating C++ vector from the end to the beginning
...;
i != my_vector.rend(); ++i ) {
}
rbegin()/rend() were especially designed for that purpose. (And yes, incrementing a reverse_interator moves it backward.)
Now, in theory, your method (using begin()/end() & --i) would work, std::vector's iterator being bidirectional, but remember,...
How to pass arguments to a Button command in Tkinter?
...
I personally prefer to use lambdas in such a scenario, because imo it's clearer and simpler and also doesn't force you to write lots of wrapper methods if you don't have control over the called method, but that's certainly a matter o...