大约有 25,400 项符合查询结果(耗时:0.0562秒) [XML]

https://stackoverflow.com/ques... 

Check if a value is within a range of numbers

I want to check if a value is in an accepted range. If yes, to do something; otherwise, something else. 7 Answers ...
https://stackoverflow.com/ques... 

How to plot two histograms together in R?

I am using R and I have two data frames: carrots and cucumbers. Each data frame has a single numeric column which lists the length of all measured carrots (total: 100k carrots) and cucumbers (total: 50k cucumbers). ...
https://stackoverflow.com/ques... 

How to tell Xcode where my info.plist and .pch files are

I renamed my project and it's files and now Xcode is still looking for the old info.plist file. Where do I set the locations of the .plist and .pch files that it needs. ...
https://stackoverflow.com/ques... 

Parse large JSON file in Nodejs

...SON form and I need to read the file, create each of the objects, and do something with them (insert them into a db in my case). The JavaScript objects can be represented a format: ...
https://stackoverflow.com/ques... 

@UniqueConstraint and @Column(unique = true) in hibernate annotation

...e implies that both mask and group have to be unique, but separately. That means that if, for example, you have a record with a mask.id = 1 and tries to insert another record with mask.id = 1, you'll get an error, because that column should have unique values. The same aplies for group. On the othe...
https://stackoverflow.com/ques... 

PostgreSQL Crosstab Query

...ple form - not fit for missing attributes crosstab(text) with 1 input parameter: SELECT * FROM crosstab( 'SELECT section, status, ct FROM tbl ORDER BY 1,2' -- needs to be "ORDER BY 1,2" here ) AS ct ("Section" text, "Active" int, "Inactive" int); Returns: Section | Active ...
https://stackoverflow.com/ques... 

What happens to a detached thread when main() exits?

Assume I'm starting a std::thread and then detach() it, so the thread continues executing even though the std::thread that once represented it, goes out of scope. ...
https://stackoverflow.com/ques... 

Proper Repository Pattern Design in PHP?

...is just one way of solving the issues 1-3 in my original question. Disclaimer: I may not always use the right terms when describing patterns or techniques. Sorry for that. The Goals: Create a complete example of a basic controller for viewing and editing Users. All code must be fully testable an...
https://stackoverflow.com/ques... 

How to set ViewBag properties for all Views without using a base class for Controllers?

... Un-tried by me, but you might look at registering your views and then setting the view data during the activation process. Because views are registered on-the-fly, the registration syntax doesn't help you with connecting to the Activate...
https://stackoverflow.com/ques... 

Export from sqlite to csv using shell script

... sqlite3 You have a separate call to sqlite3 for each line; by the time your select runs, your .out out.csv has been forgotten. Try: #!/bin/bash ./bin/sqlite3 ./sys/xserve_sqlite.db <<! .headers on .mode csv .output out.csv select * from eS1100_sensor_results; ! instead. sh/bash methods...