大约有 47,000 项符合查询结果（耗时：0.0384秒） [XML]
Pass variables to Ruby script via command line
...g = 'Good Bye'
end
# @runnable Say 'Hello' to you.
# @param [String] name Your name
# @param [Hash] options options
# @option options [Boolean] :second_meet Have you met before?
# @option options [String] :prefix Your custom prefix
def say_hello(name, options = {})
...
Mutex example / tutorial? [closed]
... entry to the room much like the phone booth. So now, even though you have extra mutexes, you can reuse the phone booth in any project. Another option would be to expose locking mechanisms for each device in the room and manage the locks in the room class. Either way, you wouldn't add new locks to t...
How can I wait In Node.js (JavaScript)? l need to pause for a period of time
...f you want to happen after that pause
console.log('Blah blah blah blah extra-blah');
}
// call the first chunk of code right away
function1();
// call the rest of the code and have it execute after 3 seconds
setTimeout(function2, 3000);
It's similar to JohnnyHK's solution, but much neater an...
Git Diff with Beyond Compare
...
I don't use extra wrapper .sh files. My environment is Windows XP, git 1.7.1 on cygwin, and Beyond Compare 3. Following is my .git/config file.
[diff]
tool = bc3
[difftool]
prompt = false
[difftool "bc3"]
#use cygpath to tra...
How to test code dependent on environment variables using JUnit?
...onmentVariablesTest {
@Test
public void setEnvironmentVariable() {
String value = withEnvironmentVariable("name", "value")
.execute(() -> System.getenv("name"));
assertEquals("value", value);
}
}
For Java 5 to 7 the library System Rules has a JUnit rule called EnvironmentVari...
How to scale an Image in ImageView to keep the aspect ratio
... were having this on our image view, where the height included all of this extra whitespace. It isn't "transparent pixels", since we had fill_parent for width, and wrap_content for height. If you don't have adjustViewBounds=true, then you get the extra whitespace. After setting that to true, our iss...
Hash function that produces short hashes?
Is there a way of encryption that can take a string of any length and produce a sub-10-character hash? I want to produce reasonably unique ID's but based on message contents, rather than randomly.
...
Disable assertions in Python
...
$ python -c "assert False"
Traceback (most recent call last):
File "<string>", line 1, in <module>
AssertionError
Note that by disable I mean it also does not execute the expression that follows it:
$ python -Oc "assert 1/0"
$ python -c "assert 1/0"
Traceback (most recent call las...
Selecting data from two different servers in SQL Server
... ]
[ , [ @location= ] 'location' ]
[ , [ @provstr= ] 'provider_string' ]
[ , [ @catalog= ] 'catalog' ]
Read more about sp_addlinkedserver.
You have to create linked server only once. After creating linked server, we can query it as follows:
select * from LinkedServerName.Datab...
How can a LEFT OUTER JOIN return more records than exist in the left table?
...ually want you can use aggregate functions (if for example you just want a string from the right part you could generate a column that is a comma delimited string of the right side results for that left row.
If you are only looking at 1 or 2 columns from the outer join you might consider using a sc...