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Get screen width and height in Android
How can I get the screen width and height and use this value in:
29 Answers
29
...
Breaking out of a nested loop
...nested within another, how can I efficiently come out of both loops (inner and outer) in the quickest possible way?
22 Answ...
Retrieving Android API version programmatically
...
As described in the Android documentation, the SDK level (integer) the phone is running is available in:
android.os.Build.VERSION.SDK_INT
The class corresponding to this int is in the android.os.Build.VERSION_CODES class.
Code example:
if (a...
Effects of the extern keyword on C functions
...
We have two files, foo.c and bar.c.
Here is foo.c
#include <stdio.h>
volatile unsigned int stop_now = 0;
extern void bar_function(void);
int main(void)
{
while (1) {
bar_function();
stop_now = 1;
}
return 0;
}
Now, here is...
How do I generate random integers within a specific range in Java?
How do I generate a random int value in a specific range?
66 Answers
66
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Return from lambda forEach() in java
... case it will be streams, lambdas and method references.
You should never convert existing code to Java 8 code on a line-by-line basis, you should extract features and convert those.
What I identified in your first case is the following:
You want to add elements of an input structure to an outpu...
What is this weird colon-member (“ : ”) syntax in the constructor?
...mber bar to a value num.
What is the difference between Initializing and Assignment inside a constructor?
Member Initialization:
Foo(int num): bar(num) {};
Member Assignment:
Foo(int num)
{
bar = num;
}
There is a significant difference between Initializing a member using Member in...
Array_merge versus + [duplicate]
..., array_merge() concat index-array values.
If not, the index-array will to convert to values array, and then convert to assoc array.
Now it got two assoc array and merge them together, when key conflict, right(last) value will be kept.
array_merge(null, array()) returns array() and got a warning sai...
SQL Data Reader - handling Null column values
...der.GetString(indexFirstName);
}
That's your only reliable way to detect and handle this situation.
I wrapped those things into extension methods and tend to return a default value if the column is indeed null:
public static string SafeGetString(this SqlDataReader reader, int colIndex)
{
if(!...
Is there a C# type for representing an integer Range?
...e use Tuples or Points, but in the end you want your Range to be extensive and provide some handy methods that relate to a Range. It's also best if generic (what if you need a range of Doubles, or a range of some custom class?) For example:
/// <summary>The Range class.</summary>
/// &l...