大约有 3,060 项符合查询结果（耗时：0.0333秒） [XML]
What is the purpose of AsQueryable()?
...ts And Linq To SQL. In particular, the article states,
This offers an excellent benefits in real word scenarios where you have certain methods on an entity that return an IQueryable of T and some methods return List. But then you have business rule filter that needs to be applied on all the col...
Does MySQL ignore null values on unique constraints?
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excellent comment about how it's true in mysql, but not necessarily in general.
– user2910265
Sep 13 '14 at 1:52
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Do try/catch blocks hurt performance when exceptions are not thrown?
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That's an excellent point - compare to the other items on our list, this one should be minuscule. We should trust basic language features to behave correctly, and optimize what we can control (sql, indexes, algorithms).
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Find a value anywhere in a database
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ApexSQL Search is an excellent tool. I think this should be the top answer since a tool is an abstract concept that does not involve messing with dirty scripts.
– usefulBee
Feb 1 '16 at 19:50
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What is the meaning of single and double underscore before an object name?
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Excellent answers so far but some tidbits are missing. A single leading underscore isn't exactly just a convention: if you use from foobar import *, and module foobar does not define an __all__ list, the names imported from t...
Why does the use of 'new' cause memory leaks?
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@R.MartinhoFernandes: excellent answer. Just One question. Why you used return by reference in the operator* () function?
– Destructor
Sep 14 '15 at 4:47
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How does password salt help against a rainbow table attack?
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I was searching for a good method to apply salts and found this excelent article with sample code:
http://crackstation.net/hashing-security.htm
The author recomends using random salts per user, so that gaining access to a salt won't render the entire list of hashes as easy to crack.
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Find location of a removable SD card
...ned by getExternalFilesDirs() and getExternalCacheDirs(). See Dave Smith's excellent analysis of this, particularly if you want the low-level details.
Second, lest anyone quibble on whether or not removable media access is otherwise part of the Android SDK, here is Dianne Hackborn's assessment:
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Sibling package imports
...Python. I see why everyone loves this language. Btw, documentation is also excellent. I love extracting return types from unstructured text, it's a nice change from Javadoc and phpdoc. ffs....
– matt
Jul 8 at 16:04
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What is the Difference Between Mercurial and Git?
...ound up – from the repository format up. Scott Chacon’s Git Talk is an excellent primer for this. If you try to use git without knowing what’s happening under the hood, you’ll end up confused at some point (unless you stick to only very basic functionality). This may sound stupid when all yo...