My brief is to implement a interface which has a method that looks something like \'GetValuesSqlStatement\' below:
Can somebody explain me the last line return (rv[0] if rv else None) if one else rv ? Especially the role of one.
I am building a notes system on my site and I\'ve got to the stage where users can post notes into the MySQL database using PHP and then PHP prints t开发者_C百科hem out on a page. However, when they p
I\'m looki开发者_JAVA百科ng up ObjectIds everywhere, as if they\'re cake. Is this OK? _id fields are supposed to be looked up like crazy, right?A more precise answer: MongoDB uses B-Tree indexes. Sea
i\'m having a database which is storing geo-data like countries, cities. i would like to use modrewrite with links like:
When working with an MVC framework and querying the database from the controller using the model, what is the best pr开发者_运维知识库actice?
I am quite new to the world of NHibe开发者_如何学Crnate and I can\'t seem to get this to work with the use of a criteria query: query a many-to-many relationship or query a collection (set/bag) on an
I have a database of URLs that I would like to search.Because URLs are not always written the same (may or may not have www), I am looking for the correct way to Index and Query urls.
Why doesn\'t the following work? SELECT name FROM (SELECT name FROM agentinformation) 开发者_开发技巧
I\'m trying to get a list of unique values from the \'type\' field from my mongodb collection. Example documents below:
加载中,请稍侯......