大约有 43,000 项符合查询结果（耗时：0.0680秒） [XML]
Is there a reason that Swift array assignment is inconsistent (neither a reference nor a deep copy)?
I'm reading the documentation and I am constantly shaking my head at some of the design decisions of the language. But the thing that really got me puzzled is how arrays are handled.
...
How to modify a specified commit?
... --interactive 'bbc643cd^'
Please note the caret ^ at the end of the command, because you need actually to rebase back to the commit before the one you wish to modify.
In the default editor, modify pick to edit in the line mentioning 'bbc643cd'.
Save the file and exit: git will interpret and aut...
Pure JavaScript equivalent of jQuery's $.ready() - how to call a function when the page/DOM is ready
...ur code at the end of the body. This is faster to execute than an onload handler because this waits only for the DOM to be ready, not for all images to load. And, this works in every browser.
<!doctype html>
<html>
<head>
</head>
<body>
Your HTML here
<script>...
SHA1 vs md5 vs SHA256: which to use for a PHP login?
I'm making a php login, and I'm trying to decide whether to use SHA1 or Md5, or SHA256 which I read about in another stackoverflow article. Are any of them more secure than others? For SHA1/256, do I still use a salt?
...
403 Forbidden vs 401 Unauthorized HTTP responses
...lem with 401 Unauthorized, the HTTP status code for authentication errors. And that’s just it: it’s for authentication, not authorization.
Receiving a 401 response is the server telling you, “you aren’t
authenticated–either not authenticated at all or authenticated
incorrectly–but ...
Comparing Haskell's Snap and Yesod web frameworks
The two Haskell web frameworks in the news recently are Yesod (at 0.8) and Snap (at 0.4).
4 Answers
...
How to shrink/purge ibdata1 file in MySQL
... new table (B), import the data into B, submit a query to get what I need, and then I drop B and drop A.
8 Answers
...
Control the dashed border stroke length and distance between strokes
Is it possible to control the length and distance between dashed border strokes in CSS?
8 Answers
...
Why isn't Python very good for functional programming? [closed]
...was surprised that Python didn't get much of a mention in this question, and when it was mentioned, it normally wasn't very positive. However, not many reasons were given for this (lack of pattern matching and algebraic data types were mentioned). So my question is: why isn't Python very good for ...
How can I quantify difference between two images?
...
General idea
Option 1: Load both images as arrays (scipy.misc.imread) and calculate an element-wise (pixel-by-pixel) difference. Calculate the norm of the difference.
Option 2: Load both images. Calculate some feature vector for each of them (like a histogram). Calculate distance between featu...