大约有 47,000 项符合查询结果（耗时：0.0535秒） [XML]
Numpy array assignment with copy
For example, if we have a numpy array A , and we want a numpy array B with the same elements.
3 Answers
...
Evaluating a mathematical expression in a string
...
11 Answers
11
Active
...
Using boolean values in C
C doesn't have any built-in boolean types. What's the best way to use them in C?
18 Answers
...
How to set current working directory to the directory of the script in bash?
I'm writing a bash script. I need the current working directory to always be the directory that the script is located in.
1...
Ruby Gem install Json fails on Mavericks and Xcode 5.1 - unknown argument: '-multiply_definedsuppres
I was trying run gem install json and got the following error
10 Answers
10
...
Is there an alternative to string.Replace that is case-insensitive?
I need to search a string and replace all occurrences of %FirstName% and %PolicyAmount% with a value pulled from a database. The problem is the capitalization of FirstName varies. That prevents me from using the String.Replace() method. I've seen web pages on the subject that suggest
...
Append column to pandas dataframe
This is probably easy, but I have the following data:
5 Answers
5
...
How do you specify a different port number in SQL Management Studio?
I am trying to connect to a Microsoft SQL 2005 server which is not on port 1433. How do I indicate a different port number when connecting to the server using SQL Management Studio?
...
Center a position:fixed element
I would like to make a position: fixed; popup box centered to the screen with a dynamic width and height. I used margin: 5% auto; for this. Without position: fixed; it centers fine horizontally, but not vertically. After adding position: fixed; , it's even not centering horizontally.
...
Find the host name and port using PSQL commands
I have PSQL running, and am trying to get a perl application connecting to the database. Is there a command to find the current port and host that the database is running on?
...