大约有 40,000 项符合查询结果(耗时:0.0575秒) [XML]

https://stackoverflow.com/ques... 

How do you merge two Git repositories?

...hub.com/rails/rails.git master This will appear as a single commit where all files of Rails master branch are added into "rails" directory. However the commit's title contains a reference to the old history tree: Add 'rails/' from commit <rev> Where <rev> is a SHA-1 commit hash. ...
https://stackoverflow.com/ques... 

Validation failed for one or more entities. See 'EntityValidationErrors' property for more details [

... shows me that it's an array with 8 objects, so 8 validation errors. Actually you should see the errors if you drill into that array in Visual studio during debug. But you can also catch the exception and then write out the errors to some logging store or the console: try { // Your code... ...
https://stackoverflow.com/ques... 

How to retry after exception?

I have a loop starting with for i in range(0, 100) . Normally it runs correctly, but sometimes it fails due to network conditions. Currently I have it set so that on failure, it will continue in the except clause (continue on to the next number for i ). ...
https://stackoverflow.com/ques... 

More elegant way of declaring multiple variables at the same time

...variables with Boolean values is the best way to write your routine (especially if they really have one-letter names :) Depending on what you're doing, it may make sense to use a dictionary instead. For example, if you want to set up Boolean preset values for a set of one-letter flags, you could d...
https://stackoverflow.com/ques... 

What are POD types in C++?

...pod<MyType>() to tell whether MyType is POD. – allyourcode Mar 31 '14 at 21:24 7 Bjarne Str...
https://stackoverflow.com/ques... 

How to capture UIView to UIImage without loss of quality on retina display

...IGraphicsBeginImageContext uses a fixed scale factor of 1.0, so you're actually getting exactly the same image on an iPhone 4 as on the other iPhones. I'll bet either the iPhone 4 is applying a filter when you implicitly scale it up or just your brain is picking up on it being less sharp than everyt...
https://stackoverflow.com/ques... 

Useful GCC flags for C

Beyond setting -Wall , and setting -std=XXX , what other really useful, but less known compiler flags are there for use in C? ...
https://stackoverflow.com/ques... 

How to clone a case class instance and change just one field in Scala?

... 324 case classcomes with a copy method that is dedicated exactly to this usage: val newPersona = ...
https://stackoverflow.com/ques... 

Difference between Pig and Hive? Why have both? [closed]

... | edited Mar 7 '18 at 18:32 Community♦ 111 silver badge answered Nov 22 '11 at 20:04 ...
https://stackoverflow.com/ques... 

How to take emulator screenshots using Eclipse?

... Sunishtha SinghSunishtha Singh 32144 silver badges1717 bronze badges add a comment ...