大约有 1,824 项符合查询结果（耗时：0.0354秒） [XML]
C++ equivalent of java's instanceof
...
I would catch both at IOException level if they do not need to be handled diffently. If they need to be handled diffently, then I would add a catch block for each exception.
– mslot
Aug 12 '13 a...
How to create a video from images with FFmpeg?
...t like below.
# this is a comment details https://trac.ffmpeg.org/wiki/Concatenate
file 'E:\images\png\images__%3d.jpg'
file 'E:\images\jpg\images__%3d.jpg'
Sample usage as follows;
"h:\ffmpeg\ffmpeg.exe" -y -r 1/5 -f concat -safe 0 -i "E:\images\imagepaths.txt" -c:v libx264 -vf "fps=25,format=...
Checkout another branch when there are uncommitted changes on the current branch
...times, and not other times?
The rule here is simple in one way, and complicated/hard-to-explain in another:
You may switch branches with uncommitted changes in the work-tree if and only if said switching does not require clobbering those changes.
That is—and please note that this is still simpl...
Create an index on a huge MySQL production table without table locking
...o="" where id = 41225\G'>/dev/null) 2>&1 | grep real;
done
) | cat -n &
PID=$!
sleep 0.05
echo "Index Update - START"
mysql -uroot website_development -e 'alter table users add index ddopsonfu (last_name, email, first_name, confirmation_token, current_sign_in_ip);'
echo "Index Update...
How do I clone a subdirectory only of a Git repository?
...in master
)
Usage:
git_sparse_clone "http://github.com/tj/n" "./local/location" "/bin"
Note that this will still download the whole repository from the server – only the checkout is reduced in size. At the moment it is not possible to clone only a single directory. But if you don't need the...
Android studio: new project vs new module
...workspace". When creating a Module, two o the types offered are 1) application module and 2) android library module. #1 seems redundant to "new project" and #1 and #2 seem the same.
– user1679130
May 7 '15 at 19:59
...
How can I troubleshoot my Perl CGI script?
...andard place for log files. Look in the
server configuration for their location, or ask the server
admin. You can also use tools such as CGI::Carp
to keep your own log files.
What are the script's permissions?
If you see errors like "Permission denied" or "Method not
implemented", it probably ...
Get MIME type from filename extension
... going to do this, you should at least add unit tests for it to be sure to catch it early when upgrading .NET versions. Besides that, if you're going to add mappings manually, you might as well maintain your own collection. The class is nothing more than a wrapper on a dictionary.
...
NOT using repository pattern, use the ORM as is (EF)
... What is lacking however is the realization that LINQ strewn about an application instead of constrained to a consistent location creates the EF equivalent of SQL calls in codebehind pages. Every LINQ query is a potential maintenance point in an application, and the more there are (and the more wid...
Using git repository as a database backend
...g a project that deals with structured document database. I have a tree of categories (~1000 categories, up to ~50 categories on each level), each category contains several thousands (up to, say, ~10000) of structured documents. Each document is several kilobytes of data in some structured form (I'd...