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What are Transient and Volatile Modifiers?
...aking the object's state persistent. That means the state of the object is converted into a stream of bytes to be used for persisting (e.g. storing bytes in a file) or transferring (e.g. sending bytes across a network). In the same way, we can use the deserialization to bring back the object's state...
How to make an Android device vibrate?
...t.VIBRATOR_SERVICE);
// Vibrate for 500 milliseconds
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) {
v.vibrate(VibrationEffect.createOneShot(500, VibrationEffect.DEFAULT_AMPLITUDE));
} else {
//deprecated in API 26
v.vibrate(500);
}
Note:
Don't forget to include permission i...
How do I break a string over multiple lines?
...le removes single newlines within the string (but adds one at the end, and converts double newlines to singles):
Key: >
this is my very very very
long string
→ this is my very very very long string\n
| Literal style turns every newline within the string into a literal newline, and adds ...
Getting mouse position in c#
...
You should use System.Windows.Forms.Cursor.Position: "A Point that represents the cursor's position in screen coordinates."
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Incompatible implicit declaration of built-in function ‘malloc’
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You need to #include <stdlib.h>. Otherwise it's defined as int malloc() which is incompatible with the built-in type void *malloc(size_t).
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How to copy files from 'assets' folder to sdcard?
...utStream out) throws IOException {
byte[] buffer = new byte[1024];
int read;
while((read = in.read(buffer)) != -1){
out.write(buffer, 0, read);
}
}
Reference : Move file using Java
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Difference between map, applymap and apply methods in Pandas
...too. Suppose you wanted to compute a formatted string from each floating point value in frame. You can do this with applymap:
In [120]: format = lambda x: '%.2f' % x
In [121]: frame.applymap(format)
Out[121]:
b d e
Utah -0.03 1.08 1.28
Ohio 0.65 0.83 -1.55
Tex...
How to split/partition a dataset into training and test datasets for, e.g., cross validation?
What is a good way to split a NumPy array randomly into training and testing/validation dataset? Something similar to the cvpartition or crossvalind functions in Matlab.
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What is the difference between the | and || or operators?
...wo usages? Are there any caveats when using one over the other or are they interchangeable?
12 Answers
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Optional query string parameters in ASP.NET Web API
.../ ...
}
public class Paging
{
public string Sort { get; set; }
public int Skip { get; set; }
public int Take { get; set; }
}
Update:
In order to ensure the values are optional make sure to use reference types or nullables (ex. int?) for the models properties.
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