大约有 30,000 项符合查询结果（耗时：0.0454秒） [XML]
Find (and kill) process locking port 3000 on Mac
...
64
Sometimes lsof -i :port will show nothing. try sudo lsof -i :port.
– kilik52
Jan 30 '14 at 12:05
...
Run a single migration file
...
'up' appears to not run if the database schema version is later than the migration in question, which can happen when merging another person's changes, for example.
– Matt Connolly
Mar 28 '12 at 2:12
...
When would anyone use a union? Is it a remnant from the C-only days?
...nder one denomination, which isn't without similarities with the case of a base class and its derived classes. What changes, however, is what you can and can't do with a given union instance:
struct Batman;
struct BaseballBat;
union Bat
{
Batman brucewayne;
BaseballBat club;
};
ReturnType...
Displaying better error message than “No JSON object could be decoded”
...
for the example given by tom:
>>> rson.loads('[1,2,]')
...
rson.base.tokenizer.RSONDecodeError: Unexpected trailing comma: line 1, column 6, text ']'
RSON is a designed to be a superset of JSON, so it can parse JSON files. It also has an alternate syntax which is much nicer for humans ...
How to call base.base.method()?
...onsole.WriteLine("Called from Special Derived.");
var ptr = typeof(Base).GetMethod("Say").MethodHandle.GetFunctionPointer();
var baseSay = (Action)Activator.CreateInstance(typeof(Action), this, ptr);
baseSay();
}
}
...
Android: Temporarily disable orientation changes in an Activity
My main activity has some code that makes some database changes that should not be interrupted. I'm doing the heavy lifting in another thread, and using a progress dialog which I set as non-cancellable. However, I noticed that if I rotate my phone it restarts the activity which is REALLY bad for the...
What is context in _.each(list, iterator, [context])?
... for help, clarification, or responding to other answers.Making statements based on opinion; back them up with references or personal experience.To learn more, see our tips on writing great answers.
Draft saved
Draft discarded
...
Request is not available in this context
...ogging requirement, if the context is available use it to populate the database, if not leave the fields null. (In my case, don't write a record to one logging table, but it would help if there were a good way to determine whether or not is available.)
– Zarepheth
...
Search for executable files using find command
... is available.
GNU find comes with most Linux distros
By contrast, BSD-based platforms, including macOS, come with BSD find, which is less powerful.
As the scenario demands, -executable matches only files the current user can execute (there are edge cases.[1]).
The BSD find alternative offered...
Windows shell command to get the full path to the current directory?
...as follows:
SET var=%cd%
ECHO %var%
sample screenshot from a Windows 7 x64 cmd.exe.
Update: if you do a SET var = %cd% instead of SET var=%cd% , below is what happens. Thanks to jeb.
Capturing the current directory from a batch file
...