大约有 40,000 项符合查询结果（耗时：0.0543秒） [XML]
Espresso: Thread.sleep( );
...rstand that its a sample, you can copy/paste and modify for own needs. Its completely yours responsibility to use it properly in own business needs, not mine.
– Oleksandr Kucherenko
Jul 5 '16 at 14:57
...
Static link of shared library function in gcc
.../forcing-static-linking-of-shared-libraries-696714/
http://linux.derkeiler.com/Newsgroups/comp.os.linux.development.apps/2004-05/0436.html
You need the static version of the library to link it.
A shared library is actually an executable in a special format
with entry points specified (and some stick...
Do regular expressions from the re module support word boundaries (\b)?
...
Why don't you try
word = 'two'
re.compile(r'\b%s\b' % word, re.I)
Output:
>>> word = 'two'
>>> k = re.compile(r'\b%s\b' % word, re.I)
>>> x = 'one two three'
>>> y = k.search( x)
>>> y
<_sre.SRE_Match object ...
Is it unnecessary to put super() in constructor?
Isn't this one automatically put by the compiler if I don't put it in a subclass's constructor?
6 Answers
...
What is “lifting” in Scala?
...formers are a way of "stacking" monads on top of each other (monads do not compose).
So for example, suppose you have a function which returns an IO[Stream[A]]. This can be converted to the monad transformer StreamT[IO, A]. Now you may wish to "lift" some other value an IO[B] perhaps to that it is ...
How to Diff between local uncommitted changes and origin
...ed a repository and started modifying files. I know that if I have local uncommitted changes, I can do a diff as follows git diff test.txt and it will show me the difference between the current local HEAD and the modified, uncommitted changes in the file. If I commit those changes I can diff it ag...
When to use a “has_many :through” relation in Rails?
...re else you use the user class and change it:
user.groups.first.name
# becomes
user.group_memberships.first.group.name
This type of code sucks, and it makes introducing changes like this painful.
has_many :through gives you the best of both worlds:
class User < ActiveRecord::Base
has_man...
How to increase scrollback buffer size in tmux?
...sting session, you can set that session’s history-limit. You might use a command like this (from a shell):
tmux set-option history-limit 5000 \; new-window
For (the initial pane of the initial window in) a new session you will need to set the “global” history-limit before creating the sessi...
Sleep Command in T-SQL?
Is there to way write a T-SQL command to just make it sleep for a period of time? I am writing a web service asynchronously and I want to be able to run some tests to see if the asynchronous pattern is really going to make it more scalable. In order to "mock" an external service that is slow, I wa...