大约有 7,700 项符合查询结果（耗时：0.0200秒） [XML]
What is the default text size on Android?
... text on button in pixels.
Kotlin
val size = Button(this).textSize
Java
float size = new Button(this).getTextSize();
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EntityType has no key defined error
...istakenly marked my "Id" field "private" instead of "public" (a habit from Java/JPA). Larry Raymond's response below is arguably the "best" reply to this question. It lists most of the common scenarios behind "EntityType has no key defined error".
– paulsm4
F...
Android file chooser [closed]
...t(requestCode, resultCode, data);
}
The getPath() method in my FileUtils.java is:
public static String getPath(Context context, Uri uri) throws URISyntaxException {
if ("content".equalsIgnoreCase(uri.getScheme())) {
String[] projection = { "_data" };
Cursor cursor = null;
...
How do I read the source code of shell commands?
...member once I tried to understand why wc is so much faster than equivalent Java program. So I looked at the code ... OMG is it optimized for disk reads, buffering inputs, etc or what :)
– yǝsʞǝla
Dec 2 '16 at 2:04
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Regular expression to stop at first match
...t's only available in regex engines which implement the Perl 5 extensions (Java, Ruby, Python, etc) but not in "traditional" regex engines (including JavaScript, Awk, sed, grep without -P, etc).
– tripleee
Jul 8 at 17:52
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How to get the width and height of an android.widget.ImageView?
...aleType="fitXY"
android:adjustViewBounds="true"/>
your java file:
ImageView imageView = (ImageView)findViewById(R.id.imageView);
int width = imageView.getDrawable().getIntrinsicWidth();
int height = imageView.getDrawable().getIntrinsicHeight();
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error: command 'gcc' failed with exit status 1 while installing eventlet
...fedora, you can use: sudo yum install python-devel
– Java Xu
Sep 13 '13 at 10:44
8
I suggest runn...
What is a mixin, and why are they useful?
...xins only exist in multiple-inheritance languages. You can't do a mixin in Java or C#.
Basically, a mixin is a stand-alone base type that provides limited functionality and polymorphic resonance for a child class. If you're thinking in C#, think of an interface that you don't have to actually impl...
How do you embed binary data in XML?
I have two applications written in Java that communicate with each other using XML messages over the network. I'm using a SAX parser at the receiving end to get the data back out of the messages. One of the requirements is to embed binary data in an XML message, but SAX doesn't like this. Does an...
Android getting value from selected radiobutton
...any Radio btn to check app crashed with "Attempt to invoke virtual method 'java.lang.CharSequence android.widget.RadioButton.getText()' on a null object reference" any solution
– Gobinda
Jun 4 at 11:51
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