大约有 36,010 项符合查询结果（耗时：0.0671秒） [XML]
Java: how do I get a class literal from a generic type?
...t of the corresponding raw
type . In other words, parameterized
types do not have type representation
of their own. Consequently, there is
no point in forming class literals
such as List<String>.class ,
List<Long>.class and List<?>.class
, since no such Class objects...
Thou shalt not inherit from std::vector
Ok, this is really difficult to confess, but I do have a strong temptation at the moment to inherit from std::vector .
13...
How do I convert an existing callback API to promises?
...ce you to use both a } catch { and a .catch. People using promisified APIs do not expect promises to throw. If you're not sure how async APIs work in JS - please see this answer first.
1. DOM load or other one time event:
So, creating promises generally means specifying when they settle - that mea...
Why doesn't Git ignore my specified file?
...the file from the status output and paste it into the .gitignore.
If that doesn’t work, then it’s likely that your file is already tracked by Git. You can confirm this through the output of git status. If the file is not listed in the “Untracked files” section, then it is already tracked by...
Why is React's concept of Virtual DOM said to be more performant than dirty model checking?
...g of the model can be slow. But isn't calculating the diff between virtual DOMs actually even less performant since the virtual DOM, in most of the cases, should be bigger than model?
...
What does Maven Update Project do in Eclipse?
What does " Maven -> Update Project... " do in Eclipse?
3 Answers
3
...
Which would be better for concurrent tasks on node.js? Fibers? Web-workers? or Threads?
...tiple threads in a Node application(1) because you have a different way of doing the same thing. You create multiple processes; but it is very very different than, for example how Apache Web Server's Prefork mpm does.
For now, let's think that we have just one CPU core and we will develop an applic...
How do I rename all folders and files to lowercase on Linux?
...bose version without using "rename".
for SRC in `find my_root_dir -depth`
do
DST=`dirname "${SRC}"`/`basename "${SRC}" | tr '[A-Z]' '[a-z]'`
if [ "${SRC}" != "${DST}" ]
then
[ ! -e "${DST}" ] && mv -T "${SRC}" "${DST}" || echo "${SRC} was not renamed"
fi
done
P.S.
...
How do I delete multiple rows in Entity Framework (without foreach)
...
If you don't want to execute SQL directly calling DeleteObject in a loop is the best you can do today.
However you can execute SQL and still make it completely general purpose via an extension method, using the approach I describe...
What makes Lisp macros so special?
... macros are used for defining language syntax extensions to Common Lisp or Domain Specific Languages (DSLs). These languages are embedded right into the existing Lisp code. Now, the DSLs can have syntax similar to Lisp (like Peter Norvig's Prolog Interpreter for Common Lisp) or completely differ...