大约有 45,000 项符合查询结果（耗时：0.0357秒） [XML]
Why do we need to install gulp globally and locally?
2 manuals about gulp say that I need to install gulp first globally (with -g flag) and then one more time locally. Why do I need this?
...
Why create “Implicitly Unwrapped Optionals”, since that implies you know there's a value?
Why would you create a "Implicitly Unwrapped Optional" vs creating just a regular variable or constant?
If you know that it can be successfully unwrapped then why create an optional in the first place?
For example, why is this:
...
What is the difference between a reference type and value type in c#?
...ome guy asked me this question couple of months ago and I couldn't explain it in detail. What is the difference between a reference type and a value type in C#?
...
For every character in string
...ing through the characters of a std::string, using a range-based for loop (it's from C++11, already supported in recent releases of GCC, clang, and the VC11 beta):
std::string str = ???;
for(char& c : str) {
do_things_with(c);
}
Looping through the characters of a std::string with iterator...
How are 3D games so efficient? [closed]
...
In general, it's because
The games are being optimal about what they need to render, and
They take special advantage of your hardware.
For instance, one easy optimization you can make involves not actually trying to draw things tha...
Android Studio Stuck at Gradle Download on create new project
...tudio . Everything was working fine but when I try to create a new project it gets stuck at downloading Gradle .
17 Answer...
How to convert Nonetype to int or string?
I've got an Nonetype value x , it's generally a number, but could be None . I want to divide it by a number, but Python raises:
...
Why is the asterisk before the variable name, rather than after the type?
...
They are EXACTLY equivalent.
However, in
int *myVariable, myVariable2;
It seems obvious that myVariable has type int*, while myVariable2 has type int.
In
int* myVariable, myVariable2;
it may seem obvious that both are of type int*, but that is not correct as myVariable2 has type int.
Therefo...
C# naming convention for constants?
...
The recommended naming and capitalization convention is to use PascalCasing for constants (Microsoft has a tool named StyleCop that documents all the preferred conventions and can check your source for compliance - though it is a little bit too anally ret...
What is a “batch”, and why is GO used?
I have read and read over MSDN, etc. Ok, so it signals the end of a batch.
6 Answers
...