大约有 47,000 项符合查询结果（耗时：0.0617秒） [XML]
Correct way to define C++ namespace methods in .cpp file
...id f(); }; X operator==( X const &, X const & ); }, now in the cpp file with the using statement you can define the member function as void X::f() {}, but if you define X operator==(X const&, X const&) you will be defining a different operator from the one defined in the header (you ...
What is the shortcut to Auto import all in Android Studio?
...
For Windows/Linux, you can go to File -> Settings -> Editor -> General -> Auto Import -> Java and make the following changes:
change Insert imports on paste value to All
markAdd unambigious imports on the fly option as checked
On a Mac, do...
How to concatenate two strings in C++?
... to which I would like to add the .txt extension so that I can open the file present in the directory.
8 Answers
...
Disable output buffering
...
# reopen stdout file descriptor with write mode
# and 0 as the buffer size (unbuffered)
import io, os, sys
try:
# Python 3, open as binary, then wrap in a TextIOWrapper with write-through.
sys.stdout = io.TextIOWrapper(open(sys.stdou...
How do I get the picture size with PIL?
...ng the installation are here.
Code
from PIL import Image
with Image.open(filepath) as img:
width, height = img.size
Speed
This needed 3.21 seconds for 30336 images (JPGs from 31x21 to 424x428, training data from National Data Science Bowl on Kaggle)
This is probably the most important reas...
How to add a new audio (not mixing) into a video using ffmpeg?
...ideo.avi
-map 0 means to copy (include) all streams from the first input file (input_video_with_audio.avi) and -map 1 means to include all streams (in this case one) from the second input file (new_audio.ac3).
share
...
Favicon dimensions? [duplicate]
...e iOS do not support non-square icons.
The favicon is supported by several files:
A favicon.ico icon.
Some other PNG icons.
In order to get the best results across desktop browsers (Windows/IE, MacOS/Safari, etc.), you need to combine both types of icons.
favicon.ico
Although all desktop browsers ...
Error Code: 2013. Lost connection to MySQL server during query
... This was exactly my issue. I was importing a database backup from a file and MySQL Workbench was reporting this 2013 error followed by "Operation failed with exitcode 1". It turns out the backup had large blob columns exceeding MySQL's default max_allowed_packet size of 4M. Increasing this fi...
How to Test Facebook Connect Locally
...
To edit your hosts file on MAC then run "sudo pico /private/etc/hosts" in your terminal, edit and press "ctrl X" to save
– Christoffer
May 16 '13 at 9:06
...
How to replace four spaces with a tab in Sublime Text 2?
...not as stand out as they perhaps should be, I have a couple of bugs I must file for sublime no show stoppers. Excellent editor.
– ncremins
Mar 5 '12 at 23:50
...