大约有 48,000 项符合查询结果（耗时：0.0842秒） [XML]
How to concatenate two MP4 files using FFmpeg?
...ess hence why I chose ffmpeg. I'm converting the two files into .ts files and then concatenating them and then trying to encode that concated .ts file. The files are h264 and aac encoded and I'm hoping to keep the quality the same or as close to original as possible.
...
How do CSS triangles work?
...ere're plenty of different CSS shapes over at CSS Tricks - Shapes of CSS and I'm particularly puzzled with a triangle:
20...
Why does (“foo” === new String(“foo”)) evaluate to false in JavaScript?
...s boxed string object.
The === operator behaves differently on primitives and objects.
When comparing primitives (of the same type), === will return true if they both have the same value.
When comparing objects, === will return true only if they refer to the same object (comparing by reference). ...
How can I apply styles to multiple classes at once?
... was looking for. You can also then have a second, separate entry for .abc and/or .xyz for properties you don't want to apply to both e.g. .xyz {font-weight: bold;} will combine to make .xyz bold and margin-left'ed by 20px but .abc only margin-left'ed.
– RyanfaeScotland
...
Why '&&' and not '&'?
Why is && preferable to & and || preferable to | ?
16 Answers
16
...
git error: failed to push some refs to remote
...er 6 Pull with rebase of the Git Pocket Book.
I would recommend a:
# add and commit first
git push -u origin master
That would establish a tracking relationship between your local master branch and its upstream branch.
After that, any future push for that branch can be done with a simple:
git p...
JavaScript/jQuery to download file via POST with JSON data
...ody.innerHTML += takes the HTML text of the body, appends the iframe HTML, and sets the innerHTML of the page to that string. This will wipe out any event bindings your page has, amongst other things. Create an element and use appendChild instead.
$.post('/create_binary_file.php', postData, functio...
Why is UnhandledExceptionEventArgs.ExceptionObject an object and not an Exception?
Why is UnhandledExceptionEventArgs.ExceptionObject an object and not an Exception ?
2 Answers
...
Firing events on CSS class changes in jQuery
...that way, when the event is triggered, those events can all happen at once and run their respective functionality. for instance, if i have one object that changes from red to blue and three objects waiting for it to change, when it changes, i can just trigger the changeColor event, and all those obj...
Skip download if files exist in wget?
...
-nc doesn't prevent the sending of the HTTP request and subsequent downloading of the file. It just doesn't do anything after downloading the file if the file has already been fully retrieved. Is there anyway to prevent making the HTTP request if the file already exists? stack...