大约有 43,000 项符合查询结果（耗时：0.0505秒） [XML]
Android - Set fragment id
...nsaction's add(int containerViewId, Fragment fragment, String tag) method and FragmentManager's findFragmentByTag(String) method.
In one of my apps, I was forced to generate strings dynamically. But it's not that expensive relative to the actual FragmentTransaction, anyway.
Another advantage to ...
How to get the path of the batch script in Windows?
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%~dp0 may be a relative path.
To convert it to a full path, try something like this:
pushd %~dp0
set script_dir=%CD%
popd
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Understanding recursion [closed]
I'm having major trouble understanding recursion at school. Whenever the professor is talking about it, I seem to get it but as soon as I try it on my own it completely blows my brains.
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How to have stored properties in Swift, the same way I had on Objective-C?
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Ok what to do if I want to store Int, Bool and etc?
– Vyachaslav Gerchicov
Jun 30 '17 at 13:43
1
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SQL - HAVING vs. WHERE
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it's not a good example as you could convert : ` WHERE companyId = 884501253109 GROUP BY country, city HAVING country = 'MX' ` to: ` WHERE companyId = 884501253109, country = 'MX' GROUP BY city `
– Etienne Herlaut
Nov 8 '...
Is “argv[0] = name-of-executable” an accepted standard or just a common convention?
...always be the name of the executable? Or is this just a common convention and not guaranteed to be true 100% of the time?
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Using comparison operators in Scala's pattern matching system
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You can add a guard, i.e. an if and a boolean expression after the pattern:
a match {
case 10 => println("ten")
case x if x > 10 => println("greater than ten")
case _ => println("less than ten")
}
Edit: Note that this is more than...
All Ruby tests raising: undefined method `authenticate' for nil:NilClass
...a Rails 3 application. It could be experiencing a few growing pains as it converts over.
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Why does a base64 encoded string have an = sign at the end
...ate base64 encoding in C#, however I have seen several times that when I convert a string into base64, there is an = at the end.
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Is there a use-case for singletons with database access in PHP?
...ou had used a singleton. A singleton is an iffy pattern in itself, but it converts fairly easily to an intelligent factory pattern--can even be converted to use dependency injection without too much trouble. For instance, if your singleton is gotten through getInstance(), you can pretty easily cha...