大约有 19,594 项符合查询结果（耗时：0.0277秒） [XML]
Type erasure techniques
...
so, if the shared_ptr then stores a Derived *, but the Base * did not declare the destructor as virtual, shared_ptr<void> still works as intended, since it never even knew about a base class to begin with. Cool!
– TamaMcGlinn
May 30 '1...
Programmatically obtain the Android API level of a device?
...uild.VERSION_CODES Human Version Name
1 BASE Android 1.0 (no codename)
2 BASE_1_1 Android 1.1 Petit Four
3 CUPCAKE Android 1.5 Cupcake
4 DONUT ...
How to change the ROOT application?
...t from the bin directory (sh startup.sh).
Leave your war file in $CATALINA_BASE/webapps under its original name. Turn off
autoDeploy and deployOnStartup in your Host element in the server.xml file.
Explicitly define all application Contexts in server.xml, specifying both the path
and docBase attri...
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 ...
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?
...
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...
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...
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):...
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 ...
Print an integer in binary format in Java
...ng uses two's complement output, toString coverts the number the specified base and puts a negative sign in front, so toString(-8, 2) == "-1000"
– Joe
Jan 10 '16 at 20:22
add ...