大约有 46,000 项符合查询结果（耗时：0.0521秒） [XML]
What are WSGI and CGI in plain English?
...web server process (embedded mode) or as a separate process (daemon mode), and loads the script into it. Each request results in a specific function in the script being called, with the request environment passed as arguments to the function.
CGI runs the script as a separate process each request a...
Difference between del, remove and pop on lists
...;>> a = [9, 8, 7, 6]
>>> del a[1]
>>> a
[9, 7, 6]
and pop removes the item at a specific index and returns it.
>>> a = [4, 3, 5]
>>> a.pop(1)
3
>>> a
[4, 5]
Their error modes are different too:
>>> a = [4, 5, 6]
>>> a.remove(7)
T...
Drop all duplicate rows across multiple columns in Python Pandas
The pandas drop_duplicates function is great for "uniquifying" a dataframe. However, one of the keyword arguments to pass is take_last=True or take_last=False , while I would like to drop all rows which are duplicates across a subset of columns. Is this possible?
...
Generating a list of which files changed between hg versions
...
hg status --rev x:y
where x and y are desired revision numbers (or tag or branch names).
If you are using the terminal in windows add hg status --rev x:y> your-file.txt to save the list to a file.
...
What is the difference between class and instance attributes?
...
Only the mutable types are shared. Like for int and str they still attached with each instances rather than class.
– Babu
Jul 17 '14 at 11:59
11
...
Exception NoClassDefFoundError for CacheProvider
I'm kind of new in Spring and hibernate so I'm trying to implement some simple web application based on Spring 3 + hibernate 4
while I start tomcat I have this exception:
...
Rails: Get Client IP address
...
I would just use the request.remote_ip that's simple and it works. Any reason you need another method?
See: Get real IP address in local Rails development environment
for some other things you can do with client server ip's.
...
Generate unique random numbers between 1 and 100
How can I generate some unique random numbers between 1 and 100 using JavaScript?
29 Answers
...
What is the coolest thing you can do in
...hing you can do in a few lines of simple code. I'm sure you can write a Mandelbrot set in Haskell in 15 lines but it's difficult to follow.
...
MySQL error: key specification without a key length
...r BLOB types such as TINYBLOB, MEDIUMBLOB, LONGBLOB, TINYTEXT, MEDIUMTEXT, and LONGTEXT that you try to make a primary key or index. With full BLOB or TEXT without the length value, MySQL is unable to guarantee the uniqueness of the column as it’s of variable and dynamic size. So, when using BLOB ...