大约有 31,000 项符合查询结果（耗时：0.0374秒） [XML]
Rails: What's a good way to validate links (URLs)?
...to do.
A regular expression can validate the format of the URL. But even a complex regular expression cannot ensure you are dealing with a valid URL.
For instance, if you take a simple regular expression, it will probably reject the following host
http://invalid##host.com
but it will allow
http://i...
NodeJS: Saving a base64-encoded image to disk
...u can just write that byte array to the file.
Update
As mentioned in the comments, req.rawBody is no longer a thing. If you are using express/connect then you should use the bodyParser() middleware and use req.body, and if you are doing this using standard Node then you need to aggregate the incom...
Check a collection size with JSTL
...
<c:if test="${companies.size() > 0}">
</c:if>
This syntax works only in EL 2.2 or newer (Servlet 3.0 / JSP 2.2 or newer). If you're facing a XML parsing error because you're using JSPX or Facelets instead of JSP, then use gt ...
Xml Namespace breaking my xpath! [duplicate]
...
|
show 1 more comment
52
...
How to use Python to login to a webpage and retrieve cookies for later usage?
...ame' : username, 'j_password' : password})
opener.open('http://www.example.com/login.php', login_data)
resp = opener.open('http://www.example.com/hiddenpage.php')
print resp.read()
resp.read() is the straight html of the page you want to open, and you can use opener to view any page using your ses...
Who wrote this programing saying? “Always code as if the guy who ends up maintaining your code will
... the same thing. I found John Woods' name in 1991 in this thread: Usage of comma operator
Bill Mitchell View profile More
options Sep 26 1991, 1:57 am In
article <5...@ksr.com> j...@ksr.com
(John F. Woods) writes:
[...]
Always code as if the guy who ends up m...
Hide horizontal scrollbar on an iframe?
...
I'd suggest doing this with a combination of
CSS overflow-y: hidden;
scrolling="no" (for HTML4)
and seamless="seamless" (for HTML5)*
* The seamless attribute has been removed from the standard, and no browsers support it.
.foo {
width: 200p...
Difference between datetime and timestamp in sqlserver? [duplicate]
...specified on insert etc.
1 Assuming you use it properly, of course. See comments.
share
|
improve this answer
|
follow
|
...
Run automatically program on startup under linux ubuntu [closed]
...itical that absolute paths are used throughout. BUT, as pointed out in the comments by Steve HHH, explicitly declaring the full file path (/etc/init.d/filename) for the update-rc.d command is not valid in most versions of Linux. Per the manpage for update-rc.d, the second parameter is a script locat...