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Using Transactions or SaveChanges(false) and AcceptAllChanges()?
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452
With the Entity Framework most of the time SaveChanges() is sufficient. This creates a transacti...
传感器组件 · App Inventor 2 中文网
...速度传感器
不可见组件，可检测振动并使用 SI 单位(m/s2)在三个维度上近似测量加速度。其组成部分是：
X分量：当手机静止在平坦表面上时为 0，当手机倾斜时为正向右（即左侧抬起），当手机倾斜到右侧时为负向左（...
NULL vs nil in Objective-C
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nil should only be used in place of an id, what we Java and C++ programmers would think of as ...
@Scope(“prototype”) bean scope not creating new bean
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Xcode 6 how to enable storyboard zoom?
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Alex Stone
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answered Jul 8 '14 at 14:53
joyeonjoyeon
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How to print pandas DataFrame without index
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226
print df.to_string(index=False)
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Can I add a UNIQUE constraint to a PostgreSQL table, after it's already created?
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edited Aug 2 '17 at 10:42
a_horse_with_no_name
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ASP.NET MVC - TempData - Good or bad practice
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I kind of think of temp data as being a fire-and-forget mechanism for notifying the user. Its ...
How is set() implemented?
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edited Jul 11 '17 at 12:29
AJP
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answered ...