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Reflection generic get field value
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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.
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Convert Pandas column containing NaNs to dtype `int`
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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
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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...
What are the disadvantages to declaring Scala case classes?
...ically defined
Possible in any class by prefixing params with val
Decent toString() implementation
Yes, very useful, but doable by hand on any class if necessary
Compliant equals() and hashCode()
Combined with easy pattern-matching, this is the main reason that people use case classes
Companion obje...
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
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<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 ...
How can I implement prepend and append with regular JavaScript?
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If you want to insert a raw HTML string no matter how complex, you can use:
insertAdjacentHTML, with appropriate first argument:
'beforebegin'
Before the element itself.
'afterbegin'
Just inside the element, before its first child.
'beforeend...
Label Alignment in iOS 6 - UITextAlignment deprecated
...t property change is probably related to Apple’s introducing NSAttributedStrings to more of the iOS controls, and therefore needing to change the UIText… properties to NSText… properties.
So if you’ve upgraded to iOS6, you’re in clover; just switch from UITextAlignmentCenter to NSTextAlig...
How can I get zoom functionality for images?
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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...