大约有 45,000 项符合查询结果(耗时:0.0694秒) [XML]

https://stackoverflow.com/ques... 

Foreign keys in mongo?

...base it is up to you to decide how to organise the data and its relations, if there are any. What Mongoid and MongoMapper do is to provide you with convenient methods to set up relations quite easily. Check out the link I gave you and ask any thing. Edit: In mongoid you will write your scheme lik...
https://stackoverflow.com/ques... 

Finding a substring within a list in Python [duplicate]

... print [s for s in list if sub in s] If you want them separated by newlines: print "\n".join(s for s in list if sub in s) Full example, with case insensitivity: mylist = ['abc123', 'def456', 'ghi789', 'ABC987', 'aBc654'] sub = 'abc' print "\n...
https://stackoverflow.com/ques... 

Which is faster : if (bool) or if(int)?

The above topic made me do some experiments with bool and int in if condition. So just out of curiosity I wrote this program: ...
https://stackoverflow.com/ques... 

Is there a “goto” statement in bash?

..." statement in bash ? I know It is considered bad practice, but I need specifically "goto". 12 Answers ...
https://stackoverflow.com/ques... 

Entity Framework - Include Multiple Levels of Properties

... (.Net Core style), to include sub-entities in a nice way. It is on NuGet now : Install-Package ThenInclude.EF6 using System.Data.Entity; var thenInclude = context.One.Include(x => x.Twoes) .ThenInclude(x=> x.Threes) .ThenInclude(x=> x.Fours) .ThenInclude(x=> x.Fives) ...
https://stackoverflow.com/ques... 

Working Soap client example

...(); headers.addHeader("SOAPAction", "http://ws.cdyne.com/VerifyEmail");. I now think it's strange it worked before without it. :) – acdcjunior Apr 11 '13 at 14:01 ...
https://stackoverflow.com/ques... 

NPM global install “cannot find module”

...hy this has made them incapable of finding installed modules. The fix for now is to point NODE_PATH at the right directory: export NODE_PATH=/opt/lib/node_modules My require('promised-io/promise') now succeeds. share ...
https://stackoverflow.com/ques... 

Regex to Match Symbols: !$%^&*()_+|~-=`{}[]:";'?,./

...to represent a range of characters. This same character class can be simplified with ranges to this: /[$-/:-?{-~!"^_`\[\]]/ There are three ranges. '$' to '/', ':' to '?', and '{' to '~'. the last string of characters can't be represented more simply with a range: !"^_`[]. Use an ACSII tabl...
https://stackoverflow.com/ques... 

Call one constructor from another

... If what you want can't be achieved satisfactorily without having the initialization in its own method (e.g. because you want to do too much before the initialization code, or wrap it in a try-finally, or whatever) you can hav...
https://stackoverflow.com/ques... 

In C#, should I use string.Empty or String.Empty or “” to intitialize a string?

...n (or possibly once for the whole process - not sure on that front). This difference is negligible - massively, massively insignificant. Which you find more readable is a different matter, however. It's subjective and will vary from person to person - so I suggest you find out what most people on y...