大约有 44,000 项符合查询结果(耗时:0.0892秒) [XML]

https://stackoverflow.com/ques... 

How to create a new database using SQLAlchemy?

...cause postgres does not allow you to create databases inside transactions, and sqlalchemy always tries to run queries in a transaction. To get around this, get the underlying connection from the engine: >>> conn = engine.connect() But the connection will still be inside a transaction, s...
https://stackoverflow.com/ques... 

C# Double - ToString() formatting with two decimal places but no rounding

...te(myDoubleValue * 100) / 100; For instance: If the number is 50.947563 and you use the following, the following will happen: - Math.Truncate(50.947563 * 100) / 100; - Math.Truncate(5094.7563) / 100; - 5094 / 100 - 50.94 And there's your answer truncated, now to format the string simply do the...
https://stackoverflow.com/ques... 

What is the difference between __dirname and ./ in node.js?

When programming in Node.js and referencing files that are located somewhere in relation to your current directory, is there any reason to use the __dirname variable instead of just a regular ./ ? I've been using ./ thus far in my code and just discovered the existence of __dirname , and essenti...
https://stackoverflow.com/ques... 

Parse usable Street Address, City, State, Zip from a string [closed]

...s in a normalized table. I need to do this for approximately 4,000 records and it needs to be repeatable. 24 Answers ...
https://stackoverflow.com/ques... 

How to implement the activity stream in a social network

I'm developing my own social network, and I haven't found on the web examples of implementation the stream of users' actions... For example, how to filter actions for each users? How to store the action events? Which data model and object model can I use for the actions stream and for the actions it...
https://stackoverflow.com/ques... 

Error “library not found for” after putting application in AdMob

... Sometimes you just remove the reference of the library and add reference again. Apart from adding the Google Mobile Ads SDK and other libraries again from scratch, I would recommend you checking the Library Search Paths. There are instances when you copy or duplicate a target, ...
https://stackoverflow.com/ques... 

Give all the permissions to a user on a DB

...ng it an admin. The reason why I want to do that is that at the moment DEV and PROD are different DBs on the same cluster so I don't want a user to be able to change production objects but it must be able to change objects on DEV. ...
https://stackoverflow.com/ques... 

Fastest way to convert JavaScript NodeList to Array?

...mpatible with the ECMAscript spec) is Javascript; Array, prototype, slice, and call are all features of the core language + object types. – Jason S Jul 7 '10 at 23:29 6 ...
https://stackoverflow.com/ques... 

ViewBag, ViewData and TempData

...sed in the corresponding view. This assumes that the action returns a view and doesn't redirect. Lives only during the current request. The pattern is the following: public ActionResult Foo() { ViewBag.Foo = "bar"; return View(); } and in the view: @ViewBag.Foo or with ViewData: pub...
https://stackoverflow.com/ques... 

Xcode 6: Keyboard does not show up in simulator

The keyboard does not show up when I run the simulator and click in the UITextView. How do I re-enable the keyboard? 13 Ans...