大约有 6,600 项符合查询结果（耗时：0.0210秒） [XML]
What are the differences between the threading and multiprocessing modules?
...are cases where this doesn't matter. For example, a network server spends most of its time reading packets off the network, and a GUI app spends most of its time waiting for user events. One reason to use threads in a network server or GUI app is to allow you to do long-running "background tasks" wi...
Express next function, what is it really for?
...listening on port 3000!')
});
If you do
curl http://localhost:3000/user/123
you will see this printed to console:
before request handler
handling request
after request handler
Now if you comment out the call to next() in the middle handler like this:
app.get('/user/:id', function (req, res,...
Check if a program exists from a Makefile
...
Sometimes you need a Makefile to be able to run on different target OS's and you want the build to fail early if a required executable is not in PATH rather than to run for a possibly long time before failing.
The excellent solution provided by engineerchuan requires making a target. However...
IIS 500.19 with 0x80070005 The requested page cannot be accessed because the related configuration d
... ignore the original message about corruption/lack of validity as this is most likely just the effect of not being able to read the file due to a lack of authorization.
The reason it cannot read the config file is because the process running your web app does not have permission to access the file/...
How do you tell if caps lock is on using JavaScript?
...
It's possibly not the best implementation but when I wrote it I was trying to keep it simple. I think the only way you can really do it with the nastyness you need to cover for different browsers.
– user67627
...
Sending email with PHP from an SMTP server
...erver that requires SMTP Auth, you really need to specify it, and set the host, username and password (and maybe the port if it is not the default one - 25).
For example, I usually use PHPMailer with similar settings to this ones:
$mail = new PHPMailer();
// Settings
$mail->IsSMTP();
$mail->...
Switching between GCC and Clang/LLVM using CMake
...C_FLAGS_DEBUG_INIT "-g")
SET (CMAKE_C_FLAGS_MINSIZEREL_INIT "-Os -DNDEBUG")
SET (CMAKE_C_FLAGS_RELEASE_INIT "-O3 -DNDEBUG")
SET (CMAKE_C_FLAGS_RELWITHDEBINFO_INIT "-O2 -g")
SET (CMAKE_CXX_FLAGS_INIT "-Wall")
SET (CMAKE_CXX_FLAGS_DEBUG_INIT "-g")
SET (CMAK...
Is there a way to make mv create the directory to be moved to if it doesn't exist?
... @Leffler, Not true -- I know bash supports more than 9 arguments (using ${123} is one method). I don't know Perl, so feel free to make an answer yourself. =]
– strager
Feb 13 '09 at 22:06
...
Singleton with Arguments in Java
...(x);
return singleton;
}
}
Then you can call Singleton.init(123) once to configure it, for example in your app startup.
share
|
improve this answer
|
follow
...
How to list the files inside a JAR file?
...
Don't forget to close fileSystem!
– gmjonker
Mar 10 '16 at 12:03
3
...