大约有 23,000 项符合查询结果（耗时：0.0481秒） [XML]
How to convert from System.Enum to base integer?
... Also, using an extension method can add consistency to your code base. Since, as @nawfal pointed, out there are several ways that you can get the int value from an enum, creating an extension method and enforcing its use means that your every time you get the int value of an enum you are ...
Why is the apt-get function not working in the terminal on Mac OS X v10.9 (Mavericks)?
...ystems use different programs. apt and its derivatives are used on Debian based linux systems. Red Hat-ish Linux systems use rpm (or at least they did many, many, years ago). yum is also a package manager for RedHat based systems.
Alpine based systems use apk.
Warning
As of 25 April 2016, homebrew...
Who is “us” and who is “them” according to Git?
After a Git rebase, and in other circumstances, you can find some files marked as deleted by us in the git status report. Who is us according to Git and why?
...
The simplest way to comma-delimit a list?
.../trunk/src/java/org/… The join method has 9 overloadings. The iteration-based ones are like "Sample solution 3"; the index-based ones use: if (i > startIndex) { <add separator> }
– 13ren
Mar 21 '09 at 11:15
...
Find the nth occurrence of substring in a string
...e most prominent approaches presented so far, namely @bobince's findnth() (based on str.split()) vs. @tgamblin's or @Mark Byers' find_nth() (based on str.find()). I will also compare with a C extension (_find_nth.so) to see how fast we can go. Here is find_nth.py:
def findnth(haystack, needle, n):...
What C++ Smart Pointer Implementations are available?
...c garbage collection. Most of my limited understanding and assumptions are based on Herb Sutter's Effective Use of auto_ptr and I do use it regularly although not always in the most optimized way.
C++11
std::unique_ptr - This is our friend who will be replacing std::auto_ptr it will be quite sim...
How to sort my paws?
...aw impacts to determine which paw is which.
Try to identify the "pawprint" based purely on its shape.
Basically, the first method works with the dog's paws follow the trapezoidal-like pattern shown in Ivo's question above, but fails whenever the paws don't follow that pattern. It's fairly easy to ...
How does virtual inheritance solve the “diamond” (multiple inheritance) ambiguity?
... D
Virtual inheritance means that there will be only 1 instance of the base A class not 2.
Your type D would have 2 vtable pointers (you can see them in the first diagram), one for B and one for C who virtually inherit A. D's object size is increased because it stores 2 pointers now; however ...
Can we define implicit conversions of enums in c#?
...rmal enum (though you can refactor some of the above into a common generic base class). You can go even further by having the base class implement IComparable & IEquatable, as well as adding methods to return the value of DescriptionAttributes, declared names, etc, etc.
I wrote a base class (Ri...
How to select rows from a DataFrame based on column values?
How to select rows from a DataFrame based on values in some column in Pandas?
10 Answers
...