大约有 30,000 项符合查询结果（耗时：0.0568秒） [XML]
getActionBar() returns null
...d:debuggable="false"
android:icon="@drawable/icon"
android:label="@string/app_name"
android:theme="@style/Theme.NoTitle"> // remove this line if you have this in your code
<activity
android:name="com.xxx.yyy.Activity"
android:configChanges="orientation|keyboardHid...
What's the best way of scraping data from a website? [closed]
...conds between each page request.
Identify your requests with a user agent string that identifies your bot and have a webpage for your bot explaining it's purpose. This url goes in the agent string.
You will be easy to block if the site wants to block you. A smart engineer on their end can easily i...
What does “javascript:void(0)” mean?
...
The void operator evaluates the given
expression and then returns undefined.
The void operator is often used merely
to obtain the undefined primitive
value, usually using “void(0)” (which
is equivalent to “void 0...
What does tree-ish mean in Git?
...
The Short Answer (TL;DR)
"Tree-ish" is a term that refers to any identifier (as specified in the Git
revisions documentation) that ultimately leads to a (sub)directory
tree (Git refers to directories as "trees" and "tree objects").
In the original poster's case, foo is a directory that he...
Can I use complex HTML with Twitter Bootstrap's Tooltip?
...true and then hit the html into the title attribute of the tag.
See this fiddle here - I've set the html attribute to true through the data-html="true" in the <a> tag and then just added in the html ad hoc as an example.
...
Working with $scope.$emit and $scope.$on
...ed a scope to participate in the event system. So you somehow need to provide a scope to your service. $rootScope is the most general-purpose solution to that, but if you want your service to send events from a different scope, your controller could pass its scope to the service by setting a prope...
How can I have two fixed width columns with one flexible column in the center?
...x layout with three columns where the left and right columns have a fixed width, and the center column flexes to fill the available space.
...
Does the Java &= operator apply & or &&?
... to test it:
public class OperatorTest {
public static void main(String[] args) {
boolean a = false;
a &= b();
}
private static boolean b() {
System.out.println("b() was called");
return true;
}
}
The output is b() was called, therefore th...
Compare object instances for equality by their attributes
....
return hash((self.foo, self.bar))
A general solution, like the idea of looping through __dict__ and comparing values, is not advisable - it can never be truly general because the __dict__ may have uncomparable or unhashable types contained within.
N.B.: be aware that before Python 3, yo...
How do I check if a SQL Server text column is empty?
... Field), '') = '' is even better ;-), if you feel that " " is an Empty string even with spaces inside
– Kirsten
Jun 13 '19 at 7:26
...