大约有 9,000 项符合查询结果（耗时：0.0205秒） [XML]
Cloning a MySQL database on the same MySql instance
I would like to write a script which copies my current database sitedb1 to sitedb2 on the same mysql database instance. I know I can dump the sitedb1 to a sql script:
...
SQlite Getting nearest locations (with latitude and longitude)
I have data with latitude and longitude stored in my SQLite database, and I want to get the nearest locations to the parameters I put in (ex. My current location - lat/lng, etc.).
...
How to make inline functions in C#
I'm using Linq To XML
6 Answers
6
...
Why do people write the #!/usr/bin/env python shebang on the first line of a Python script?
It seems to me like the files run the same without that line.
21 Answers
21
...
How to have favicon / icon set when bookmarklet dragged to toolbar?
I've made myself a bookmarklet, and it functions just fine, but when added to a toolbar in Opera or Firefox, it just takes on the default bookmark icon for the browser (a globe and a star, respectively). My site has a favicon, and the window, tab and even [site] bookmark uses the favicon I've speci...
How to add color to Github's README.md file
I have a README.md file for my project underscore-cli , a pretty sweet tool for hacking JSON and JS on the command-line.
...
select * vs select column
If I just need 2/3 columns and I query SELECT * instead of providing those columns in select query, is there any performance degradation regarding more/less I/O or memory?
...
Why should I not include cpp files and instead use a header?
So I finished my first C++ programming assignment and received my grade. But according to the grading, I lost marks for including cpp files instead of compiling and linking them . I'm not too clear on what that means.
...
Which Python memory profiler is recommended? [closed]
I want to know the memory usage of my Python application and specifically want to know what code blocks/portions or objects are consuming most memory.
Google search shows a commercial one is Python Memory Validator (Windows only).
...
What are named pipes?
What are they and how do they work?
10 Answers
10
...