大约有 40,000 项符合查询结果(耗时:0.0709秒) [XML]

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How to convert a string into double and vice versa?

... Double is a numeric data type - it does not contain any formatting. Calling [NSString doubleValue] would return 1000 because it's just a number. – Andy Oct 5 '08 at 12:53 12 ...
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Allowed memory size of 33554432 bytes exhausted (tried to allocate 43148176 bytes) in php

...austed. Maybe you don't need to read the whole file, maybe read it sequentially. – macbirdie Jan 22 '09 at 10:12 8 ...
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Why is “copy and paste” of code dangerous? [closed]

...you will need to fix it every place you did and hope you can remember them all (this also holds for changed requirements). If you keep logic in one place, it is easier to change when needed (so if you decide that the application needs updating, you only do it in one place). Have your boss read abo...
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How to calculate dp from pixels in android programmatically [duplicate]

I want to calculate dp from px programmatically. How to do it? I get resolution from: 4 Answers ...
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How to loop through an associative array and get the key? [duplicate]

... using PHP 5, you should avoid using foreach by reference values and since all foreaches use internal array pointer ( current($Array) ) nesting foreaches or using PHP array functions can do weird things. – Chaoix Jul 12 '19 at 15:13 ...
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getting type T from IEnumerable

... Or even worse write a method with yield returns and try to call GetType on a variable created with this method. It will tell you that it is not event a generic type. So basically there is no universal way to get T given an instance variable of type IEnumerable<T> ...
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How do I select a merge strategy for a git rebase?

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Java EE 6 @javax.annotation.ManagedBean vs. @javax.inject.Named vs. @javax.faces.ManagedBean

...Bean") @RequestScoped public class SomeBean { @Inject private SomeService someService; } Automatic injection like that defined above can be controlled through the use of Qualifiers that can help match the specific class that you want injected. If you have multiple payment types, you might...
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Prevent the keyboard from displaying on activity start

...g both in code, and in xml! Indeed, this is the most correct answer! Especially since it was probably that 3 minutes you spent writing both methods that made you not first ;-) – eric Apr 21 '17 at 1:13 ...
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How to add a custom button state

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