大约有 40,000 项符合查询结果（耗时：0.0821秒） [XML]
When is assembly faster than C?
...hat although that's not entirely false, the cases where assembler can actually be used to generate more performant code are both extremely rare and require expert knowledge of and experience with assembly.
...
Multiple constructors in python? [duplicate]
... Now you can do:
c = C(fd)
# or:
c = C.fromfilename('a filename')
Notice all those classmethods still go through the same __init__, but using classmethods can be much more convenient than having to remember what combinations of keyword arguments to __init__ work.
isinstance is best avoided becaus...
Use of *args and **kwargs [duplicate]
...u're not sure how many arguments might be passed to your function, i.e. it allows you pass an arbitrary number of arguments to your function. For example:
>>> def print_everything(*args):
for count, thing in enumerate(args):
... print( '{0}. {1}'.format(count, thing))
...
...
How do I include a pipe | in my linux find -exec command?
...ld result in only a single agrep process being spawned which would process all the output produced by numerous invocations of zcat.
If you for some reason would like to invoke agrep multiple times, you can do:
find . -name 'file_*' -follow -type f \
-printf "zcat %p | agrep -dEOE 'grep'\n" | s...
Set keyboard caret position in html textbox
...nothing will happen (obviously). The second parameter is the caret positon index. Zero will put the keyboard caret at the beginning. If you pass a number larger than the number of characters in the elements value, it will put the keyboard caret at the end.
Tested on IE6 and up, Firefox 2, Opera 8, ...
JPA: what is the proper pattern for iterating over large result sets?
... for posting the final code. In my case I'm shoving records into Solr, to index them for fulltext search. And, due to business rules I won't go into, I need to go via Hibernate, vs. just using JDBC or Solr's built-in modules.
– Mark Bennett
Feb 2 '12 at 0:12
...
How do you get the list of targets in a makefile?
...ed rake a bit (a Ruby make program), and it has an option to get a list of all the available targets, eg
20 Answers
...
Func vs. Action vs. Predicate [duplicate]
...s a predicate also have an overload taking a Func<T,int,bool> for an indexed predicate.
– Jon Skeet
Nov 30 '10 at 19:17
6
...
Read-only list or unmodifiable list in .NET 4.0
...> for example.
It is similar to IReadOnlyCollection and adds an Item indexer property.
share
|
improve this answer
|
follow
|
...
ModelSerializer using model property
... Meta is optional. If you omit fields, in the above example, you would get all the MyModel fields plus ext_link in the serialized data. And this is really awesome for complex models! EDIT: At least, this is true for djangorestframework==2.3.14.
– e.thompsy
Feb ...