大约有 40,000 项符合查询结果(耗时:0.0722秒) [XML]

https://stackoverflow.com/ques... 

Input size vs width

... kyleschaeffer.com/development/css-font-size-em-vs-px-vs-pt-vs and j.eremy.net/confused-about-rem-and-em – delroh Sep 25 '14 at 16:58 1 ...
https://stackoverflow.com/ques... 

How to implement a secure REST API with node.js

... SSL: certificate subject name 'xxxx' does not match target host name 'xxx.net'. I've hardcoded my /etc/hosts to allow https connecting on same machine – mastervv Aug 18 '15 at 12:50 ...
https://stackoverflow.com/ques... 

Sending HTML email using Python

... version). text = "Hi!\nHow are you?\nHere is the link you wanted:\nhttp://www.python.org" html = """\ <html> <head></head> <body> <p>Hi!<br> How are you?<br> Here is the <a href="http://www.python.org">link</a> you wanted. ...
https://stackoverflow.com/ques... 

What is the difference between varchar and nvarchar?

...t processing speed? Most new coding platforms use Unicode natively (Java, .NET, even C++ std::wstring from years ago!) so if the database field is VARCHAR it forces Oracle to convert between character sets on every read or write, not so good. Using NVARCHAR avoids the conversion. Bottom line: Use N...
https://stackoverflow.com/ques... 

Negative weights using Dijkstra's Algorithm

...g d(B) to 1, d(C) to zero, and d(D) to 99. Next, you expand out C, with no net changes. You then expand out B, which has no effect. Finally, you expand D, which changes d(B) to -201. Notice that at the end of this, though, that d(C) is still 0, even though the shortest path to C has length -200. ...
https://stackoverflow.com/ques... 

C# declare empty string array

... If you are using .NET Framework 4.6 and later, they have some new syntax you can use: using System; // To pick up definition of the Array class. var myArray = Array.Empty<string>(); ...
https://stackoverflow.com/ques... 

urllib2.HTTPError: HTTP Error 403: Forbidden

...aders I was able to get the data: import urllib2,cookielib site= "http://www.nseindia.com/live_market/dynaContent/live_watch/get_quote/getHistoricalData.jsp?symbol=JPASSOCIAT&fromDate=1-JAN-2012&toDate=1-AUG-2012&datePeriod=unselected&hiddDwnld=true" hdr = {'User-Agent': 'Mozilla/5...
https://stackoverflow.com/ques... 

Add unique constraint to combination of two columns

...ert the row and returning an exception (exceptions are expensive). http://www.sqlperformance.com/2012/08/t-sql-queries/error-handling http://www.mssqltips.com/sqlservertip/2632/checking-for-potential-constraint-violations-before-entering-sql-server-try-and-catch-logic/ If you want to prevent exce...
https://stackoverflow.com/ques... 

What are the most widely used C++ vector/matrix math/linear algebra libraries, and their cost and be

...ifications/APIs. you could have mentioned their initial implementations by netlib or other implementations such as ATLAS and OpenBLAS. – Foad Feb 13 '17 at 20:13 add a comment...
https://stackoverflow.com/ques... 

Merge multiple lines (two blocks) in Vim

... set ve=all should help, see vimdoc.sourceforge.net/htmldoc/options.html#'virtualedit' – Ben Aug 13 '14 at 12:08 ...