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Why is it impossible to override a getter-only property and add a setter? [closed]
...uilt into C# at all. You could have a get-only property that changes every time, or a get/set property where the setter throws an InvalidOperationException("This instance is read-only").
– Roman Starkov
Apr 3 '10 at 13:09
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What columns generally make good indexes?
...d.
Update (23 Feb'15):
Any index (good/bad) increases insert and update time.
Depending on your indexes (number of indexes and type), result is searched. If your search time is gonna increase because of index then that's bad index.
Likely in any book, "Index Page" could have chapter start page...
What is the difference between graph search and tree search?
...ree search. It will visit a state of the underlying problem graph multiple times, if there are multiple directed paths to it rooting in the start state. It is even possible to visit a state an infinite number of times if it lies on a directed loop. But each visit corresponds to a different node in t...
Display name of the current file in vim?
How do you display the filename of the file you are working on in vim?
9 Answers
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iPhone App 开发第一步：从零到真机调试HelloWorld - 更多技术 - 清泛网 - ...
...，由于没有Mac，采用的是AMD CPU + Win7 + VMWare之后安装Mac OS X Snow Le... iCc原创，转载请注明出处！
最近才开始研究iPhone开发，由于没有Mac，采用的是AMD CPU + Win7 + VMWare之后安装Mac OS X Snow Leopard，再升级，再安装XCode 4.2和iOS SDK 5.0，...
elasticsearch v.s. MongoDB for filtering application [closed]
...ic. Our use case differs from yours in that our Mongo data changes all the time: a record, or a subset of the fields of a record, can be updated several times a day and this can call for re-indexing of that record to elastic. For that reason alone, using elastic as the sole data store is not a good ...
How do you track record relations in NoSQL?
...ocument). It has one trick. If it is distributed it may be modified at one time in many locations. It will cause conflicts and as a result huge vector clock tree :/ ..not so bad, not so good.
Riak has also yet another 'mechanism'. It has 2-layer key name space, so called bucket and key. So, for st...
Array_merge versus + [duplicate]
When I use array_merge() with associative arrays I get what I want, but when I use them with numerical key arrays the keys get changed.
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How do you clear a stringstream variable?
... It's not good for all situation. This would re-allocate the buffer every time while mm.str("") would not.
– Shital Shah
Dec 24 '16 at 1:29
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What data type to use for hashed password field and what length?
.... This is necessary for agility: cryptographic recommendations change over time. You need to be able to transition to a new algorithm.
A difficulty or hardness indicator. The higher this value, the more computation is needed to calculate the hash. This should be a constant or a global configuration ...