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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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ArrayBuffer to base64 encoded string
I need an efficient (read native) way to convert an ArrayBuffer to a base64 string which needs to be used on a multipart post.
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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...
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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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) {...
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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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...
Using an integer as a key in an associative array in JavaScript
... saying. However, note that you can not have integer keys. JavaScript will convert the integer to a string. The following outputs 20, not undefined:
var test = {}
test[2300] = 20;
console.log(test["2300"]);
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