大约有 40,000 项符合查询结果(耗时:0.0534秒) [XML]

https://stackoverflow.com/ques... 

What GRANT USAGE ON SCHEMA exactly do?

...read-only permissions to the db role that must access the database from my php scripts, and I have a curiosity: if I execute ...
https://stackoverflow.com/ques... 

What is Java Servlet?

...b server inside the web server itself. If you want something looking like PHP or ASP you need JSPs (which are a special kind of servlets) – Thorbjørn Ravn Andersen Aug 27 '11 at 10:20 ...
https://stackoverflow.com/ques... 

How to call an external command?

...at you want in a CGI script. The problem is not specific to Python; in the PHP community the problems are the same. The solution is to pass DETACHED_PROCESS Process Creation Flag to the underlying CreateProcess function in Windows API. If you happen to have installed pywin32, you can import the fla...
https://stackoverflow.com/ques... 

String concatenation in Ruby

...; but that is not the usual way With string interpolation source = "#{ROOT_DIR}/#{project}/App.config" with + source = "#{ROOT_DIR}/" + project + "/App.config" The second method seems to be more efficient in term of memory/speed from what I've seen (not measured though). All three methods will...
https://stackoverflow.com/ques... 

How to upload files to server using JSP/Servlet?

....xml file: http://joseluisbz.wordpress.com/2014/01/17/manually-installing-php-tomcat-and-httpd-lounge/#Enabling%20File%20Uploads. <servlet> <servlet-name>jsp</servlet-name> <servlet-class>org.apache.jasper.servlet.JspServlet</servlet-class> <multipart-c...
https://stackoverflow.com/ques... 

How to create GUID / UUID?

...a UUID from Truly Random or Pseudo-Random Numbers: rfc-archive.org/getrfc.php?rfc=4122 – Jason DeFontes Sep 19 '08 at 20:28 9 ...
https://stackoverflow.com/ques... 

A simple explanation of Naive Bayes Classification

...sitive = Prob(Test is positive|Disease) * P(Disease) _______________________________________________________________ (scaled by) Prob(Testing Positive, with or without the disease) Now, all this was just preamble, to get to Naive Bayes. Getting to Naive Bayes' So far, ...
https://stackoverflow.com/ques... 

How to properly assert that an exception gets raised in pytest?

... pytest.raises(Exception) is what you need. Code import pytest def test_passes(): with pytest.raises(Exception) as e_info: x = 1 / 0 def test_passes_without_info(): with pytest.raises(Exception): x = 1 / 0 def test_fails(): with pytest.raises(Exception) as e_info: ...
https://stackoverflow.com/ques... 

Build an ASCII chart of the most commonly used words in a given text [closed]

...$<.read.downcase.scan(/[a-z]+/)-%w{the and of to a i it in or is}).group_by{|x|x}.map{|x,y|[-y.size,x]}.sort[0,22] k,l=w[0] puts [?\s+?_*m=76-l.size,w.map{|f,x|?|+?_*(f*m/k)+"| "+x}] Instead of using any command line switches like the other solutions, you can simply pass the filename as argumen...
https://stackoverflow.com/ques... 

Is multiplication and division using shift operators in C actually faster?

...with the core i7: (from http://software.intel.com/en-us/forums/showthread.php?t=61481) The latency is 1 cycle for an integer addition and 3 cycles for an integer multiplication. You can find the latencies and thoughput in Appendix C of the "Intel® 64 and IA-32 Architectures Optimization Refere...