大约有 41,000 项符合查询结果(耗时:0.1077秒) [XML]

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Gradle does not find tools.jar

... Go to the "Gradle Task" view Right Click on the task you want to execute Select Open Gradle Run Configuration In the tab "Java Home" select your local JDK repository then click OK Run again, Enjoy! share | ...
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string.ToLower() and string.ToLowerInvariant()

... cultures. A Frenchman does not write SÉLECTIONNEZ x DE books instead of SELECT X FROM books. However, in order for the above code to work, a Turkish person would need to write SELECT x FROM books WHERE Author LİKE '%Adams%' (note the dot above the capital i, almost impossible to see). This wou...
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Does Foreign Key improve query performance?

...the foreign key relationship already inforces that for you. So this: select p.ProductId, p.Name, c.CategoryId, c.Name AS Category from Products p inner join ProductCategories c on p.CategoryId = c.CategoryIdwhere c.CategoryId = 1; Becomes this: SELECT p.ProductId, p.Name, c.CategoryId, c.N...
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How to debug stream().map(…) with lambda expressions?

... illustrate: 1- Press F7 (step into) key, will display the highlights (or selection mode) 2- Use Tab multiple times to select the snippet to debug 3- Press F7 (step into) key to step into share | ...
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How do I create a unique constraint that also allows nulls?

...dy found separately in other, properly defined columns. It should never be selected or used. So, my story is that this is not a surrogate NULL, and I'm sticking to it! Since we don't actually want the non-NULL value for any purpose other than to trick the UNIQUE index to ignore NULLs, our use case ...
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Access denied for user 'root@localhost' (using password:NO)

...etting of the root user ; mysql> use mysql; Database changed mysql> select * from user; Empty set (0.00 sec) mysql> truncate table user; Query OK, 0 rows affected (0.00 sec) mysql> flush privileges; Query OK, 0 rows affected (0.01 sec) mysql> grant all privileges on *.* to root@loca...
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Eclipse interface icons very small on high resolution screen in Windows 8.1

... > compatibility > tick on 'Override high DPI scaling behaviour' and select System Enhanced from the dropdown as shown on pic below. Relaunch eclipse after changes. share | improve this answ...
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How to create a date and time picker in Android? [closed]

.... This Date object contains // the date and time that the user has selected. } @Override public void onDateTimeCancel() { // Overriding onDateTimeCancel() is optional. } }; Then you create and show the dialog: new SlideDateTimePicker.Builder(getSupportFragment...
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How to branch with TortoiseHG

... Before commiting, click on Branch button (see image), Then select a branch or create a new one (by typing where you select the branches). See the image here share | improve this ans...
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Sort a list from another list IDs

...; source, IEnumerable<TId> order, Func<T, TId> idSelector) { var lookup = source.ToDictionary(idSelector, t => t); foreach (var id in order) { yield return lookup[id]; } } Is a generic extension for what you want. You could use the extension li...