大约有 23,000 项符合查询结果(耗时:0.0397秒) [XML]
Can I set enum start value in Java?
...SE_ORDINAL;
}
};
public class TestEnum {
public static void main (String... args){
for (ids i : new ids[] { ids.OPEN, ids.CLOSE }) {
System.out.println(i.toString() + " " +
i.ordinal() + " " +
i.getCode());
}
}
}
OPEN 0 10...
How to prompt for user input and read command-line arguments [closed]
...
In Python 2.7, input() doesn't convert values to strings. So if you try to do this: input_variable1 = input ("Enter the first word or phrase: "), you will get an error: Traceback (most recent call last): return eval(raw_input(prompt)) File "<string>", line 1,...
Reflection generic get field value
...
I use the reflections in the toString() implementation of my preference class to see the class members and values (simple and quick debugging).
The simplified code I'm using:
@Override
public String toString() {
StringBuilder sb = new StringBuilder()...
Devise Secret Key was not set
...;%= ENV["SECRET_KEY_BASE"] %>
After:
production:
secret_key_base: string of charaters
Of course, that should be set to the environment variable, which I will set later, but this at least got it running. I got my string by using bundle exec rake secret.
...
How can I get zoom functionality for images?
...
public class TouchImageView extends ImageView {
private static final String TAG = "Touch";
// These matrices will be used to move and zoom image
Matrix matrix = new Matrix();
Matrix savedMatrix = new Matrix();
// We can be in one of these 3 states
static final int NONE = 0...
Is there documentation for the Rails column types?
...
Guidelines built from personal experience:
String:
Limited to 255 characters (depending on DBMS)
Use for short text fields (names, emails, etc)
Text:
Unlimited length (depending on DBMS)
Use for comments, blog posts, etc. General rule of thumb: if it's captured v...
Convert Pandas column containing NaNs to dtype `int`
...
The OP wants a column of integers. Converting it to string does not meet the condition.
– Rishab Gupta
Feb 21 '19 at 1:33
1
...
Creating a “logical exclusive or” operator in Java
...new operators in Java.
Edit: Here's an example:
public static void main(String[] args) {
boolean[] all = { false, true };
for (boolean a : all) {
for (boolean b: all) {
boolean c = a ^ b;
System.out.println(a + " ^ " + b + " = " + c);
}
}
}
Ou...
Laravel: Get base url
...);
2. Accessing The Current URL
// Get the current URL without the query string.
echo url()->current();
// Get the current URL including the query string.
echo url()->full();
// Get the full URL for the previous request.
echo url()->previous();
3. URLs For Named Routes
// http://exampl...
Android on-screen keyboard auto popping up
...
<application android:icon="@drawable/icon" android:label="@string/app_name">
<activity android:name=".Main"
android:label="@string/app_name"
android:windowSoftInputMode="stateHidden"
>
This works for Android 3.0, 3.1, 3.2, 4.0 ...
