大约有 40,000 项符合查询结果(耗时:0.0559秒) [XML]

https://stackoverflow.com/ques... 

Convert a float64 to an int in Go

...onv" ) func main() { floats := []float64{1.9999, 2.0001, 2.0} for _, f := range floats { t := int(f) s := fmt.Sprintf("%.0f", f) if i, err := strconv.Atoi(s); err == nil { fmt.Println(f, t, i) } else { fmt.Println(f, t, err) } ...
https://stackoverflow.com/ques... 

How to make Entity Framework Data Context Readonly

...nsumer. public class ReadOnlyDataContext { private readonly DbContext _dbContext; public ReadOnlyDataContext(DbContext dbContext) { _dbContext = dbContext; } public IQueryable<TEntity> Set<TEntity>() where TEntity : class { return _dbContext.Set...
https://stackoverflow.com/ques... 

Displaying the build date

...Info target = null) { var filePath = assembly.Location; const int c_PeHeaderOffset = 60; const int c_LinkerTimestampOffset = 8; var buffer = new byte[2048]; using (var stream = new FileStream(filePath, FileMode.Open, FileAccess.Read)) stream.Read(buffer, 0, 2048); ...
https://stackoverflow.com/ques... 

Disable a Button

... I also get an error if I change (_ sender: ) to UIButton . The error reads: Value of type '(UIButton) -> ()' has no member 'isEnabled' – user9470831 Feb 5 '19 at 4:25 ...
https://stackoverflow.com/ques... 

How to correctly use the extern keyword in C

...ction prototypes: //-------------------------------------- //Filename: "my_project.H" extern int function_1(void); static int function_2(void); int function_3(void); The header file can be used by the main source code as follows: //-------------------------------------- //Filename: "my_pr...
https://stackoverflow.com/ques... 

How do you manage databases in development, test, and production?

... Name your databases as follows - dev_<<db>> , tst_<<db>> , stg_<<db>> , prd_<<db>> (Obviously you never should hardcode db names Thus you would be able to deploy even the different type of db's on same physical ...
https://stackoverflow.com/ques... 

Change Bootstrap input focus blue glow

...put-border-focus variable. See the commit for more info and warnings. In _variables.scss update @input-border-focus. To modify the size/other parts of this glow modify the mixins/_forms.scss @mixin form-control-focus($color: $input-border-focus) { $color-rgba: rgba(red($color), green($color), ...
https://stackoverflow.com/ques... 

What is the preferred syntax for initializing a dict: curly brace literals {} or the dict() function

...cure at a second look. This only makes sense to me if you are working with __dict__, and the keywords are going to become attributes later, something like that. share | improve this answer ...
https://stackoverflow.com/ques... 

system(“pause”); - Why is it wrong?

...utable named "pause"!) Simply write your own "Pause()" function that uses _getch. OK, sure, _getch is platform dependent as well (note: it's defined in "conio.h") - but it's much nicer than system() if you are developing on Windows and it has the same effect (though it is your responsibility to pro...
https://stackoverflow.com/ques... 

Two submit buttons in one form

...l be sent through as any other input. <input type="submit" name="button_1" value="Click me"> share | improve this answer | follow | ...