大约有 45,000 项符合查询结果（耗时：0.0374秒） [XML]
What is the Windows equivalent of the diff command?
...
@AndriyM So, new files would cause FC to error out without returning any actual lines? Only the error message?
– Wolfpack'08
Jan 19 '14 at 22:22
...
How to use the “number_to_currency” helper method in the model rather than view?
...(because it shouldn’t).
As for using helpers for ActiveModel validation errors in the model, well, I’m sorry but ActiveModel/Rails has screwed us all there by forcing error messages to be realized in the data layer, rather than returning the semantic idea of an error to be realized later—sigh...
How dangerous is it to compare floating point values?
... you code that appears to work at first but ends up having large-magnitude errors and broken corner cases.
First of all, if you want to program with floating point, you should read this:
What Every Computer Scientist Should Know About Floating-Point Arithmetic
Yes, read all of it. If that's too m...
Nginx 403 forbidden for all files
...it too: (chmod -4 +x /mypath worked for me) nginxlibrary.com/403-forbidden-error
– Peter Ehrlich
Dec 29 '12 at 2:48
1
...
logger configuration to log to file and print to stdout
...
@sr2222 logger.addHandler(sys.stdout) gives me NameError: name 'sys' is not defined
– stdcerr
Dec 5 '12 at 22:57
21
...
How do I get the application exit code from a Windows command line?
...at its return code is (since it returns different codes based on different errors).
7 Answers
...
Converting String to Int with Swift
...
Update Answer for swift 2.0 :
toInt() method is given a error. Because,In Swift 2.x, the .toInt() function was removed from String. In replacement, Int now has an initializer that accepts a String:
let a:Int? = Int(firstText.text) // firstText is UITextField
let b:Int? = In...
How to update Ruby to 1.9.x on Mac?
...C package from: https://github.com/kennethreitz/osx-gcc-installer to avoid errors running "make".
Edit: As of Mavericks you can choose to install only the Xcode command line tools instead of the whole Xcode package, which comes with gcc and lots of other things you might need for building packages....
What is “android:allowBackup”?
...te that you can get a fuller explanation than just what is in the one line error message; you don't have to search the web for more info.
If you are using lint via Eclipse, either open the lint warnings view, where you can select the lint error and see a longer explanation, or invoke the quick fix ...
Could not find stored procedure 'dbo.aspnet_CheckSchemaVersion'
...egsql.exe' file. It will open a wizard that you can follow to resolve this error.
This error mostly occurs when you didn't enabled Roles in your asp.net mvc project At starting before aspnet identity table automatically created.
You will need to make sure you run this so that the tables and objec...