大约有 43,000 项符合查询结果（耗时：0.0375秒） [XML]
Show an image preview before upload
...thout actually having to upload the files. Part of the File API is the FileReader interface which lets web applications asynchronously read the contents of files .
Here's a quick example that makes use of the FileReader class to read an image as DataURL and renders a thumbnail by setting the src at...
What is self-documenting code and can it replace well documented code? [closed]
... name. Having more comments than necessary actually makes it harder (!) to read the code, so if your colleague
writes documentation comments (Doxygen, JavaDoc, XML comments etc.) for every class, member, type and method AND
clearly comments any parts of the code that are not self-documenting AND
w...
SVG drop shadow using css3
...ilter:url(#dropshadow)"/>
Box-shadow is defined to work on CSS boxes (read: rectangles), while svg is a bit more expressive than just rectangles. Read the SVG Primer to learn a bit more about what you can do with SVG filters.
...
Limitations of Intel Assembly Syntax Compared to AT&T [closed]
To me, Intel syntax is much easier to read. If I go traipsing through assembly forest concentrating only on Intel syntax, will I miss anything? Is there any reason I would want to switch to AT&T (outside of being able to read others' AT&T assembly)? My first clue is that gdb uses AT&T by default.
...
How to ignore the first line of data when processing CSV data?
..., 'r', newline='') as file:
has_header = csv.Sniffer().has_header(file.read(1024))
file.seek(0) # Rewind.
reader = csv.reader(file)
if has_header:
next(reader) # Skip header row.
column = 1
datatype = float
data = (datatype(row[column]) for row in reader)
le...
Different types of thread-safe Sets in Java
...here seems to be a lot of different implementations and ways to generate thread-safe Sets in Java.
Some examples include
4 ...
How can I delete all unversioned/ignored files/folders in my working copy?
...
Nice feature! I had to read the link, though, to find out that it only works on the list view (not the tree view) on XP -- maybe you should include that in your answer.
– Nick Meyer
May 11 '10 at 20:40
...
Programmatically get own phone number in iOS
... your application's container. You will need to revise your application to read only within your directory container and resubmit your binary to iTunes Connect in order for your application to be reconsidered for the App Store.
This was a real disappointment since we wanted to spare the user having...
What is the difference between synchronous and asynchronous programming (in node.js)
I've been reading nodebeginner
And I came across the following two pieces of code.
10 Answers
...
How can a web application send push notifications to iOS devices? [closed]
... This is no longer true in 2016, you can send notifications from web apps. Read my answer below.
– collimarco
May 14 '16 at 16:42
...