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Android list view inside a scroll view
... android:layout_height="wrap_content"
android:layout_marginTop="8dp"
android:text="Below is a Recycler View as an example."
android:textSize="16sp" />
<androidx.recyclerview.widget.RecyclerView
android:id="@+id/recycler_view"
...
Objective-C class -> string like: [NSArray className] -> @“NSArray”
...c. NSStringFromClass just pulls the name of the class from this struct and converts it to an NSString. Don't store the class name in a static NSString, it won't offer any performance advantage.
– dreamlax
Apr 10 '11 at 23:43
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Overload with different return type in Java?
... sufficient for the compiler to figure out which function to call:
public int foo() {...}
public float foo() {..}
...
foo(); // which one?
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ViewPager.setOffscreenPageLimit(0) doesn't work as expected
The fragments I use in my ViewPager instance are quite resource intensive, so I'd only like to load one at a time. When I try the following:
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How do I insert NULL values using PDO?
...d this in a comment on the php docs:
bindValue(':param', null, PDO::PARAM_INT);
EDIT: P.S. You may be tempted to do this bindValue(':param', null, PDO::PARAM_NULL); but it did not work for everybody (thank you Will Shaver for reporting.)
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How to show math equations in general github's markdown(not github's blog)
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this worked great. I had to convert a jupyter notebook (.ipynb) to .md and the equations were essentially multiline latex code.
– Marc Maxmeister
Jun 17 '19 at 18:21
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Write a function that returns the longest palindrome in a given string
... public static String getLongestPalindrome(final String input) {
int rightIndex = 0, leftIndex = 0;
String currentPalindrome = "", longestPalindrome = "";
for (int centerIndex = 1; centerIndex < input.length() - 1; centerIndex++) {
leftIndex = centerIndex - 1...
Why does ~True result in -2?
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int(True) is 1.
1 is:
00000001
and ~1 is:
11111110
Which is -2 in Two's complement1
1 Flip all the bits, add 1 to the resulting number and interpret the result as a binary representation of the magnitude and add a neg...
Check whether a path is valid in Python without creating a file at the path's target
...file name).
I need to test if the file-name is a valid, e.g. if the file-system will allow me to create a file with such a name.
The file-name has some unicode characters in it.
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Linq Query keeps throwing “Unable to create a constant value of type System.Object…”, Why?
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I had the same issue with a nullable int. Using == instead works nicely, but if you want to use .Equals, you can compare it to the value of the nullable variable, so
where t.CustID.Value.Equals(custIdToQuery)
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