大约有 40,000 项符合查询结果（耗时：0.0396秒） [XML]
Default text which won't be shown in drop-down list
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Kyle's solution worked perfectly fine for me so I made my research in order to avoid any Js and CSS, but just sticking with HTML.
Adding a value of selected to the item we want to appear as a header forces it to show in the first place as a placeholder.
Something like:
<option selected dis...
In laymans terms, what does 'static' mean in Java? [duplicate]
... public void someMethod() { };
public Class SomeInnerClass { };
}
In order to use someField, someMethod, or SomeInnerClass I have to first create an instance of SomeObject.
public class SomeOtherObject {
public void doSomeStuff() {
SomeObject anInstance = new SomeObject();
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Configuration System Failed to Initialize
...n a class library project, then I copied (overwriting) the config file (in order to bring the endpoints configuration) to my windows app and I started to have the same problem. I had inadvertently removed configSections.
it worked for me, hope it helps
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Rotation methods deprecated, equivalent of 'didRotateFromInterfaceOrientation'?
...e a block that we can assign to UIViewControllerTransitionCoordinator in order to be called when 'transition' to a new size finishes. Thanks.
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SLF4J: Failed to load class “org.slf4j.impl.StaticLoggerBinder”. error
... I am accepting your answer since it is the only workaround in order to bypass the annoying error. Thank you very much for your analytical answer. :)..
– Konstantinos Margaritis
Nov 7 '12 at 17:17
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What is the default value for enum variable?
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I think it's quite dangerous to rely on the order of the values in a enum and to assume that the first is always the default. This would be good practice if you are concerned about protecting the default value.
enum E
{
Foo = 0, Bar, Baz, Quux
}
Otherwise, all i...
How to fix “Incorrect string value” errors?
...make a difference would be within the database, for instance if you used a ORDER BY clause in your SQL - the sorting would be wonky where you had non-ASCII characters.
– RichieHindle
Jul 22 '09 at 21:45
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How can one change the timestamp of an old commit in Git?
...orks nicely to make Github show the commits of a rebased PR in the correct order, since they order them by timestamp and without this trick, the timestamps may all be the same.
– Nathan Long
Mar 2 '17 at 9:32
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How do I map lists of nested objects with Dapper
...ourses = cnn.Query<Course>("select * from Courses where Category = 1 Order by CreationDate");
Grab the relevant mapping:
var mappings = cnn.Query<CourseLocation>(
"select * from CourseLocations where CourseId in @Ids",
new {Ids = courses.Select(c => c.Id).Distinct()});
Gr...
Circular list iterator in Python
... print item,
Output:
a b c a b c ...
(Loops forever, obviously)
In order to manually advance the iterator and pull values from it one by one, simply call next(pool):
>>> next(pool)
'a'
>>> next(pool)
'b'
...