大约有 30,000 项符合查询结果（耗时：0.0423秒） [XML]
How to find out what group a given user has?
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This one shows the user's uid as well as all the groups (with their gids) they belong to
id userid
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How do you use the ellipsis slicing syntax in Python?
This came up in Hidden features of Python , but I can't see good documentation or examples that explain how the feature works.
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Should I use window.navigate or document.location in JavaScript?
... thing. See docs.sun.com/source/816-6408-10/location.htm: "If you assign a string to the location property of an object, JavaScript creates a location object and assigns that string to its href property."
– James Skidmore
Dec 9 '10 at 18:36
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Change Circle color of radio button
...int color: (only works on api level 21 or above)
<RadioButton
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:id="@+id/radio"
android:checked="true"
android:buttonTint="@color/your_color"/>
in your values/colors.xml put your color in this...
Adding a directory to $LOAD_PATH (Ruby)
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Also, it's a lot harder to Google for strings like "$:" that contain only symbols.
– DSimon
Apr 19 '12 at 3:39
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ORA-00054: resource busy and acquire with NOWAIT specified or timeout expired
...It maybe help someone out there. But this is only if you work with Toad inside the tables, and not for querys.
– DatRid
Oct 4 '13 at 9:23
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How do I diff the same file between two different commits on the same branch?
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Check $ git log, copy the SHA-1 ID of the two different commits, and run the git diff command with those IDs. for example:
$ git diff (sha-id-one) (sha-id-two)
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How to get the class of the clicked element?
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"class" is not a valid variable name.
– Fred Bergman
Oct 20 '09 at 9:17
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Why can't overriding methods throw exceptions broader than the overridden method?
... System.out.println(" child ");
}
public static void main(String[] args) {
Parent parent = new Child();
parent.name();// output => child
}
}
The program will compile successfully.
Example 2:
public class Parent {
public void name() throws Runti...
How to compare variables to undefined, if I don’t know whether they exist? [duplicate]
...a valid variable, do something here.
}
Note that typeof always returns a string, and doesn't generate an error if the variable doesn't exist at all.
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