大约有 15,208 项符合查询结果（耗时：0.0392秒） [XML]
How the single threaded non blocking IO model works in Node.js
I'm not a Node programmer, but I'm interested in how the single threaded non blocking IO model works.
After I read the article understanding-the-node-js-event-loop , I'm really confused about it.
It gave an example for the model:
...
Which commit has this blob?
...n/sh
obj_name="$1"
shift
git log "$@" --pretty=format:'%T %h %s' \
| while read tree commit subject ; do
if git ls-tree -r $tree | grep -q "$obj_name" ; then
echo $commit "$subject"
fi
done
And an optimised version in Perl, still quite short but much faster:
#!/usr/bin/perl
use 5....
Does C# have extension properties?
...hampion but it wasn't released yet, most of all because even if there is already an implementation, they want to make it right from the start.
But it will ...
There is an extension members item in the C# 7 work list so it may be supported in the near future. The current status of extension propert...
Encrypt and decrypt a string in C#?
...nitialization vector from the encrypted stream
aesAlg.IV = ReadByteArray(msDecrypt);
// Create a decrytor to perform the stream transform.
ICryptoTransform decryptor = aesAlg.CreateDecryptor(aesAlg.Key, aesAlg.IV);
using (CryptoStream c...
What exactly is OAuth (Open Authorization)?
...tion) access to their information (e.g. the list of your friends).
If you read it stated as plainly, I would understand your confusion. So let's go with a concrete example: joining yet another social network!
Say you have an existing GMail account. You decide to join LinkedIn. Adding all of your m...
What do I have to do to get Core Data to automatically migrate models?
I have read the documentation about automatic /lightweight migration for Core Data models - but I am having problems implementing it.
...
Can I browse other people's (Apple) bug reports? [closed]
...see the bugs that other people have reported to Apple. However, I recently read that Apple uses multiple bug reports for the same issue as an indicator of the severity or priority of a bug or request (see this blog post). So while I generally agree with you that it's better to search first and try t...
Convert a Unicode string to a string in Python (containing extra symbols)
...This raw string of bytes can be written to a file. However, note that when reading it back, you must know what encoding it is in and decode it using that same encoding.
When writing to files, you can get rid of this manual encode/decode process by using the codecs module. So, to open a file that en...
Dump a NumPy array into a csv file
...rray into a CSV file? I have a 2D NumPy array and need to dump it in human-readable format.
11 Answers
...
What's the key difference between HTML 4 and HTML 5?
...ure after HTML has died as a document format, historians may still want to read our documents, and having a completely defined parsing algorithm will greatly aid this.
Better Web Application Features
The secondary goal of HTML5 is to develop the ability of the browser to be an application platform...