大约有 40,000 项符合查询结果(耗时:0.0802秒) [XML]

https://stackoverflow.com/ques... 

ExecuteReader requires an open and available Connection. The connection's current state is Connectin

...n the Connection-Pool's territory There's a good reason why ADO.NET internally manages the underlying Connections to the DBMS in the ADO-NET Connection-Pool: In practice, most applications use only one or a few different configurations for connections. This means that during application exe...
https://stackoverflow.com/ques... 

Why does “split” on an empty string return a non-empty array?

...ngleton array containing just the input string is returned, Second, remove all the rightmost empty strings. This is the reason ",,,".split(",") returns empty array. According to this, the result of "".split(",") should be an empty array because of the second step, right? It should. Unfortunately,...
https://stackoverflow.com/ques... 

Cannot import XSSF in Apache POI

...in your project, along with the dependencies for it You can get a list of all the components and their dependencies on the POI website here. What you probably want to do is download the 3.11 binary package, grab the poi-ooxml jar from it, and the dependencies in the ooxml-lib directory. Import the...
https://stackoverflow.com/ques... 

AppStore - App status is ready for sale, but not in app store

... but I found that the app goes live after resetting the dates again, especially if there's been app rejections in the past. I guess it messes up with the dates. Looks like sometimes if you do nothing and just follow the instructions, the app will never go live. ...
https://stackoverflow.com/ques... 

OAuth 2.0: Benefits and use cases — why?

... 1 is that it requires both the server and clients to sort and sign identically. This is fiddly code and either it's right or you get 401 Unauthorized with little help. This increases the barrier to writing a client. By requiring the authorization request to run over SSL, OAuth 2.0 removes the need...
https://stackoverflow.com/ques... 

Do I really have a car in my garage? [duplicate]

...List<Vehicle> v = new ArrayList<>(); // init with sum v.addAll(cars); v.addAll(boats); return v; } // all vehicles method public getAveragePriceAfterYears(int years) { List<Vehicle> vehicules = getVehicles(); int s = 0; for(Vehicle v : vehicules) { /...
https://stackoverflow.com/ques... 

Disable browser 'Save Password' functionality

... joys of working for a government healthcare agency is having to deal with all of the paranoia around dealing with PHI (Protected Health Information). Don't get me wrong, I'm all for doing everything possible to protect people's personal information (health, financial, surfing habits, etc.), but som...
https://stackoverflow.com/ques... 

PostgreSQL: Which Datatype should be used for Currency?

...ver make a scale equal to 2 (in postgresql terms, precision is a number of all digits, e.g. in 121.121 it's equal to 6). There are currencies, such as Bahrain Dinar, where 1000 sub-units equal one unit, and there are currencies which don't have sub-units at all. – Nikolay Arhip...
https://stackoverflow.com/ques... 

Cannot generate iOS App archive in xcode

... Check Build Settings: Skip install is NO for the main project target Skip install is YES for framework (sub-projects) targets In Build Phases for sub-projects, Copy Headers needs to be in Project, not Public (does not apply if building static library) Inst...
https://stackoverflow.com/ques... 

How do you pass arguments to define_method?

... your defined method accepts arguments. When you define a method you're really just nicknaming the block and keeping a reference to it in the class. The parameters come with the block. So: define_method(:say_hi) { |other| puts "Hi, " + other } ...