大约有 43,000 项符合查询结果(耗时:0.0557秒) [XML]

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GetType() can lie?

...wing question asked a few days ago in SO: GetType() and polymorphism and reading Eric Lippert's answer, I started thinking if making GetType() not be virtual really ensured that an object could not lie about its Type . ...
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What's the difference between the build and create methods in FactoryGirl?

... Does #create read and return the persisted object from disk, or does it return the object that's in memory after persisting it? In other words, is is doing create(...) equivalent to create(...).reload? – Dennis ...
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Gulp.js task, return on src?

...so it's async. Without it the task system wouldn't know when it finished. Read the docs. share | improve this answer | follow | ...
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Variable declaration placement in C

... @JoSo: I'm confused why you think having reads of uninitialized variables yield arbitrary effects will make programming mistakes easier to detect than having them yield either a consistent value or a deterministic error? Note that there's no guarantee that a read o...
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Condition within JOIN or WHERE

...es can have the predicates rearrranged by the optimizer so that they may already be excluded during the JOIN process. I recommend you write the queries in the most readable way possible. Sometimes this includes making the INNER JOIN relatively "incomplete" and putting some of the criteria in the W...
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Mongoose's find method with $or condition does not work properly

...gt; { /*logic here*/ }) .catch(error => { /*error logic here*/ }) Read more about Mongoose Queries. share | improve this answer | follow | ...
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Print text instead of value from C enum

... It's ugly to read through, but you don't have data duplication. (Unlike everyone else.) I'm torn on whether to like this. – Kim Reece Jul 2 '10 at 19:25 ...
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AsyncTask Android example

I was reading about AsyncTask , and I tried the simple program below. But it does not seem to work. How can I make it work? ...
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Hidden Features of Java

After reading Hidden Features of C# I wondered, What are some of the hidden features of Java? 100 Answers ...
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How to determine total number of open/active connections in ms sql server 2005

...ay to do this is using the 'using' statement: // Execute stored proc to read data from repository using (SqlConnection conn = new SqlConnection(this.connectionString)) { using (SqlCommand cmd = conn.CreateCommand()) { cmd.CommandText = "LoadFromRepository"; cmd.CommandType...