大约有 49,000 项符合查询结果（耗时：0.0654秒） [XML]
Understanding exactly when a data.table is a reference to (vs a copy of) another data.table
...avoid for large data, and why := and set() were introduced to data.table.
Now, with our copied newDT we can modify it by reference :
newDT
# a b
# [1,] 1 11
# [2,] 2 200
newDT[2, b := 400]
# a b # See FAQ 2.21 for why this prints newDT
# [1,] 1 11
# [2,] 2 400
.Internal(in...
Remove URL parameters without refreshing page
...ll/be/deleted/
To become:
https://domain.tld/my-new-url.php
Action
Now let's try a different approach. Say you need to keep the file's name. The file name comes after the last / and before the query string ?.
http://www.someDomain.com/really/long/address/keepThisLastOne.php?name=john
Wil...
Cosmic Rays: what is the probability they will affect a program?
... the chip feature size for CPUs in 1995 was around 0.35 µm or 350nm. It's now 1/10th that size at 35nm.
– Joe Koberg
Apr 5 '10 at 21:02
21
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Is it possible to run JavaFX applications on iOS, Android or Windows Phone 8?
...ad news first:
RoboVM is dead
Oracle killed JavaFX on Embedded Devices
Now, some good news:
JavaFX still runs on Android, iOS and most of the Embedded devices
JavaFXPorts SDK for android, iOS and embedded devices can be downloaded from here
JavaFXPorts project is still thriving and it is easie...
Using GPU from a docker container?
...s pre-installed. The dockerfile is available on dockerhub if you want to know how this image was built.
You'll want to customize this command to match your nvidia devices. Here's what worked for me:
$ sudo docker run -ti --device /dev/nvidia0:/dev/nvidia0 --device /dev/nvidiactl:/dev/nvidiactl ...
How to use LocalBroadcastManager?
...
Folks, note what the google docs now say about an Activity after onPause(): Killable = Pre-HONEYCOMB Starting with Honeycomb, an application is not in the killable state until its onStop() has returned.
– 18446744073709551615
...
Node.js or Erlang
...n under Cygwin for Windows support.
Looks good though.
Edit
Node.js now has native support for Windows.
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What is the difference between “expose” and “publish” in Docker?
...f."
Maybe that was the case at the time the answer was being written, but now it seems that even if you do not use EXPOSE or --publish, the host and other containers of the same network will be able to access a service you may start inside that container.
How to test this:
I've used the following D...
A command-line HTML pretty-printer: Making messy HTML readable [closed]
...
Update 2018: The homebrew/dupes is now deprecated, tidy-html5 may be directly installed.
brew install tidy-html5
Original reply:
Tidy from OS X doesn't support HTML5. But there is experimental branch on Github which does.
To get it:
brew tap homebrew...
How to fix the flickering in User controls
...Turn off WS_CLIPCHILDREN
return parms;
}
}
The child controls will now paint themselves on top of the background image. You might still see them painting themselves one by one, but the ugly intermediate white or black hole won't be visible.
Last but not least, reducing the number of child ...