大约有 45,000 项符合查询结果(耗时:0.0622秒) [XML]

https://stackoverflow.com/ques... 

How to loop through all enum values in C#? [duplicate]

...nt that brings me back to my old answer, and I think I'd do it differently now. These days I'd write: private static IEnumerable<T> GetEnumValues<T>() { // Can't use type constraints on value types, so have to do check like this if (typeof(T).BaseType != typeof(Enum)) { ...
https://stackoverflow.com/ques... 

How to use the “number_to_currency” helper method in the model rather than view?

... a new class for generating your output instead of making your data model know what a CSV is (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 th...
https://stackoverflow.com/ques... 

AWS Error Message: A conflicting conditional operation is currently in progress against this resourc

...Note that you have a limit of 100 buckets for an account (see here). EDIT: Now this limit is a "soft limit" and you can increase it if needed. Also note that a creation of a bucket takes time and: ...it is not appropriate to make bucket create or delete calls on the high availability code pa...
https://stackoverflow.com/ques... 

How to indicate param is optional using inline JSDoc?

...supports it as a result of me putting a feature request in for it :). They now support the majority of the Google Closure Compiler type expressions which is great. – studgeek Feb 22 '13 at 14:51 ...
https://stackoverflow.com/ques... 

Install go with brew, and running the gotour

...efault: https://golang.org/doc/code.html#GOPATH – Snowcrash Jul 19 '18 at 7:17 4 This answer is...
https://stackoverflow.com/ques... 

How to get pixel data from a UIImage (Cocoa Touch) or CGImage (Core Graphics)?

...ke(0, 0, width, height), imageRef); CGContextRelease(context); // Now your rawData contains the image data in the RGBA8888 pixel format. NSUInteger byteIndex = (bytesPerRow * y) + x * bytesPerPixel; for (int i = 0 ; i < count ; ++i) { CGFloat alpha = ((CGFloat) rawDat...
https://stackoverflow.com/ques... 

How to send email to multiple recipients using python smtplib?

...m to send an email from a python script and with this piece of code, i can now send the email. – fear_matrix Jul 14 '15 at 10:36 7 ...
https://stackoverflow.com/ques... 

NoSql vs Relational database

... big advantages: Strong mathematical basis. Declarative syntax. A well-known language in Structured Query Language (SQL). Those haven't gone away. It's a mistake to think about this as an either/or argument. NoSQL is an alternative that people need to consider when it fits, that's all. Docum...
https://stackoverflow.com/ques... 

Using the “final” modifier whenever applicable in Java [closed]

... which resulted in your code. At least it should ring some bells when they now want to change your previously immutable thing. At first, it kind of looks awkward to see a lot of final keywords in your code, but pretty soon you'll stop noticing the word itself and will simply think, that-thing-will-...
https://stackoverflow.com/ques... 

How can I use a C++ library from node.js?

... I know it's more than a year since this comments but... is it possible to use C++ libs without a C wrapper? – Miki de Arcayne Sep 5 '13 at 11:37 ...