大约有 43,000 项符合查询结果（耗时：0.0683秒） [XML]
One DbContext per web request… why?
... instance, every class that changes the state of the system, needs to call _context.SaveChanges() (otherwise changes would get lost). This can complicate your code, and adds a second responsibility to the code (the responsibility of controlling the context), and is a violation of the Single Responsi...
What's the best way of scraping data from a website? [closed]
...s bs
request = requests.get("http://foo.bar")
soup = bs(request.text)
some_elements = soup.find_all("div", class_="myCssClass")
Some will prefer xpath parsing or jquery-like pyquery, lxml or something else.
When the data you want is produced by some JavaScript, the above won't work. You either n...
How to get first and last day of previous month (with timestamp) in SQL Server
...tional date standard, follow this link:
https://en.wikipedia.org/wiki/ISO_8601
For further reading on the ODBC international date standard, follow this link:
https://technet.microsoft.com/en-us/library/ms190234(v=sql.90).aspx
To view the list of date formats I worked from, follow this link:
...
What is the difference between SAX and DOM?
...rser,but use 9g memory when use DOM parser.
– zhiyuan_
Nov 2 '18 at 3:55
|
show 1 more comment
...
How to get client's IP address using JavaScript?
...rns:
fl=4f422
h=www.cloudflare.com
ip=54.193.27.106
ts=1575967108.245
visit_scheme=https
uag=Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/74.0.3729.169 Safari/537.36 Hypothesis-Via
colo=SJC
http=http/1.1
loc=US
tls=TLSv1.3
sni=plaintext
warp=off
Limitation...
dynamically add and remove view to viewpager
...ed, from left-to-right. If the page no longer exists,
// return POSITION_NONE.
@Override
public int getItemPosition (Object object)
{
int index = views.indexOf (object);
if (index == -1)
return POSITION_NONE;
else
return index;
}
//------------------------------...
How efficient can Meteor be while sharing a huge collection among many clients?
...rhaps you'll find ideas from my paper vanisoft.pl/~lopuszanski/public/cache_invalidation.pdf worthwhile
– qbolec
Jun 8 '16 at 10:57
|
show 1...
How are msys, msys2, and msysgit related to each other?
...What are the differences between msys/git and git-for-windows/mingw-w64-x86_64-git?
– Brecht Machiels
Oct 26 '16 at 12:34
|
show 3 more comm...
PHP parse/syntax errors; and how to solve them
...cal syntax error message reads:
Parse error: syntax error, unexpected T_STRING, expecting ';' in file.php on line 217
Which lists the possible location of a syntax mistake. See the mentioned file name and line number.
A moniker such as T_STRING explains which symbol the parser/tokenizer could...
Xamarin 2.0 vs Appcelerator Titanium vs PhoneGap [duplicate]
...
References and links
http://www.theregister.co.uk/Print/2013/02/25/cross_platform_abstraction/
http://kevinwhinnery.com/post/22764624253/comparing-titanium-and-phonegap
http://forums.xamarin.com/discussion/1003/your-opinion-about-several-crossplatform-frameworks#Comment_3334
http://azdevelop.azur...