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How do you make a HTTP request with C++?
...ee if it contains a 1 or a 0. Is it also possible to download the contents into a string?
22 Answers
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Find index of a value in an array
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int keyIndex = Array.FindIndex(words, w => w.IsKey);
That actually gets you the integer index and not the object, regardless of what custom class you have created
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function declaration isn't a prototype
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In C int foo() and int foo(void) are different functions. int foo() accepts an arbitrary number of arguments, while int foo(void) accepts 0 arguments. In C++ they mean the same thing. I suggest that you use void consistently when ...
Why should I not include cpp files and instead use a header?
... same as any other. However, although not illegal, including source files into your program will pretty much eliminate any advantages you would've got from separating your source files in the first place.
Essentially, what #include does is tell the preprocessor to take the entire file you've speci...
Why would an Enum implement an Interface?
I just found out that Java allows enums to implement an interface. What would be a good use case for that?
16 Answers
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Get/pick an image from Android's built-in Gallery app programmatically
...eActivity extends Activity {
// this is the action code we use in our intent,
// this way we know we're looking at the response from our own action
private static final int SELECT_PICTURE = 1;
private String selectedImagePath;
public void onCreate(Bundle savedInstanceState) {...
String was not recognized as a valid DateTime “ format dd/MM/yyyy”
I am trying to convert my string formatted value to date type with format dd/MM/yyyy .
13 Answers
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How can I update a single row in a ListView?
...ormation Michelle.
You can indeed get the right view using View#getChildAt(int index). The catch is that it starts counting from the first visible item. In fact, you can only get the visible items. You solve this with ListView#getFirstVisiblePosition().
Example:
private void updateView(int index){...
Run two async tasks in parallel and collect results in .NET 4.5
...var task1 = Sleep(5000);
var task2 = Sleep(3000);
int[] result = await Task.WhenAll(task1, task2);
Console.WriteLine("Slept for a total of " + result.Sum() + " ms");
}
private async static Task<int> Sleep(int ms)
{
Con...
How do I do a Date comparison in Javascript? [duplicate]
...ill be "invalid". Any comparison with another date will return false. When converted to a string it will become "Invalid Date". Its getTime() function will return NaN, and calling isNaN() on the date itself will return true; that's the easy way to check if a string is a valid date.
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