大约有 41,000 项符合查询结果(耗时:0.0778秒) [XML]
Force R not to use exponential notation (e.g. e+10)?
Can I force R to use regular numbers instead of using the e+10 -like notation? I have:
4 Answers
...
PostgreSQL error: Fatal: role “username” does not exist
I'm setting up my PostgreSQL 9.1. I can't do anything with PostgreSQL: can't createdb , can't createuser ; all operations return the error message
...
Is MATLAB OOP slow or am I doing something wrong?
I'm experimenting with MATLAB OOP , as a start I mimicked my C++'s Logger classes and I'm putting all my string helper functions in a String class, thinking it would be great to be able to do things like a + b , a == b , a.find( b ) instead
of strcat( a b ) , strcmp( a, b ) , retrieve first...
How can I make SQL case sensitive string comparison on MySQL?
I have a function that returns five characters with mixed case. If I do a query on this string it will return the value regardless of case.
...
How can I use inverse or negative wildcards when pattern matching in a unix/linux shell?
Say I want to copy the contents of a directory excluding files and folders whose names contain the word 'Music'.
11 Answers...
How can I find script's directory with Python? [duplicate]
Consider the following Python code:
12 Answers
12
...
How to use MySQLdb with Python and Django in OSX 10.6?
This is a much discussed issue for OSX 10.6 users, but I haven't been able to find a solution that works. Here's my setup:
...
Static extension methods [duplicate]
Is there any way I can add a static extension method to a class.
4 Answers
4
...
How to step through Python code to help debug issues?
In Java/C# you can easily step through code to trace what might be going wrong, and IDE's make this process very user friendly.
...
“ImportError: No module named” when trying to run Python script
I'm trying to run a script that launches, amongst other things, a python script. I get a ImportError: No module named ..., however, if I launch ipython and import the same module in the same way through the interpreter, the module is accepted.
...