大约有 44,000 项符合查询结果(耗时:0.0740秒) [XML]

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Are there any reasons to use private properties in C#?

... I use them if I need to cache a value and want to lazy load it. private string _password; private string Password { get { if (_password == null) { _password = CallExpensiveOperation(); } return _password; ...
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Is there a “do … until” in Python? [duplicate]

... BTW, this is called "loop-and-a-half". Python continues to support this construct because it's one of the easiest loop patterns to correctly write and understand. See cs.duke.edu/~ola/patterns/plopd/loops.html#loop-and-a-half – B...
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Unsubscribe anonymous method in C#

...or me because the desired behavior was to unsubscribe after the event was handled. Example: MyEventHandler foo = null; foo = delegate(object s, MyEventArgs ev) { Console.WriteLine("I did it!"); MyEvent -= foo; }; MyEvent += foo; ...
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Can I add a custom attribute to an HTML tag?

...o verify this behavior: "If you download the sample files for this article and validate file internal.html, you can see this for yourself. Unfortunately, when you display the file in a browser, the ]> shows up on the screen. There’s no way around this bug, so this approach is right out." ...
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Difference between null and empty (“”) Java String

What is the difference between null and the "" (empty string)? 22 Answers 22 ...
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How to print matched regex pattern using awk?

... homework to get the for-loop to work if (a) "yyy" is a regular expression and not a straight string and (b) if that "yyy" does not match an entire field within a record. – Johnsyweb Apr 4 '11 at 9:28 ...
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'transform3d' not working with position: fixed children

... none for the transform results in the creation of both a stacking context and a containing block. The object acts as a containing block for fixed positioned descendants. This means that fixed positioning becomes fixed to the transformed element, rather than the viewport. There's not currently ...
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What are the key differences between Apache Thrift, Google Protocol Buffers, MessagePack, ASN.1 and

All of these provide binary serialization, RPC frameworks and IDL. I'm interested in key differences between them and characteristics (performance, ease of use, programming languages support). ...
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SQL Server Management Studio alternatives to browse/edit tables and run queries [closed]

... I strongly feel that we can't edit tables and can't run queries with hints using LINQ – bjan May 18 '12 at 5:28 1 ...
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Delete duplicate rows from small table

...table in a PostgreSQL 8.3.8 database, which has no keys/constraints on it, and has multiple rows with exactly the same values. ...