大约有 30,000 项符合查询结果（耗时：0.0311秒） [XML]
how does multiplication differ for NumPy Matrix vs Array classes?
...
Reference from http://docs.scipy.org/doc/scipy/reference/tutorial/linalg.html
..., the use of the numpy.matrix class is discouraged, since it adds nothing that cannot be accomplished with 2D numpy.ndarray objects, and may lead to a confusi...
Equivalent of typedef in C#
Is there a typedef equivalent in C#, or someway to get some sort of similar behaviour? I've done some googling, but everywhere I look seems to be negative. Currently I have a situation similar to the following:
...
How to save and load cookies using Python + Selenium WebDriver
...ort selenium.webdriver
driver = selenium.webdriver.Firefox()
driver.get("http://www.google.com")
pickle.dump( driver.get_cookies() , open("cookies.pkl","wb"))
and later to add them back:
import pickle
import selenium.webdriver
driver = selenium.webdriver.Firefox()
driver.get("http://www.googl...
Print a file's last modified date in Bash
I can't seem to find how to print out the date of a file. I'm so far able to print out all the files in a directory, but I need to print out the dates with it.
...
Default constructor with empty brackets
Is there any good reason that an empty set of round brackets (parentheses) isn't valid for calling the default constructor in C++?
...
Difference between attr_accessor and attr_accessible
...h your user view doesn't show a "role" field, a pirate could easily send a HTTP POST request that include "role" in the params hash. The missing "role" attribute on the attr_accessible is to protect your application from that.
You can still modify your user.role attribute on its own like below, but...
How to remove new line characters from a string?
I have a string in the following format
11 Answers
11
...
How to store printStackTrace into a string [duplicate]
...pache Commons 3 class org.apache.commons.lang3.exception.ExceptionUtils.
http://commons.apache.org/proper/commons-lang/
ExceptionUtils.getStackTrace(Throwable t)
Code example:
try {
// your code here
} catch(Exception e) {
String s = ExceptionUtils.getStackTrace(e);
}
...
How to return 2 values from a Java method?
I am trying to return 2 values from a Java method but I get these errors. Here is my code:
14 Answers
...
@Autowired and static method
I have @Autowired service which has to be used from within a static method. I know this is wrong but I cannot change the current design as it would require a lot of work, so I need some simple hack for that. I can't change randomMethod() to be non-static and I need to use this autowired bean. An...