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Can you use a trailing comma in a JSON object?
...item in the object or array. For example, code to output from an array of strings might look like (in a C++ like pseudocode):
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How to detect when WIFI Connection has been established in Android?
...Override
public void onReceive(Context context, Intent intent) {
final String action = intent.getAction();
if (action.equals(WifiManager.SUPPLICANT_CONNECTION_CHANGE_ACTION)) {
if (intent.getBooleanExtra(WifiManager.EXTRA_SUPPLICANT_CONNECTED, false)) {
//do stuff
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Repeat string to certain length
What is an efficient way to repeat a string to a certain length? Eg: repeat('abc', 7) -> 'abcabca'
13 Answers
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How to append data to div using JavaScript?
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Try this:
var div = document.getElementById('divID');
div.innerHTML += 'Extra stuff';
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Get value of c# dynamic property via string
I'd like to access the value of a dynamic c# property with a string:
11 Answers
11
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PHP Array to CSV
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This is a simple solution that exports an array to csv string:
function array2csv($data, $delimiter = ',', $enclosure = '"', $escape_char = "\\")
{
$f = fopen('php://memory', 'r+');
foreach ($data as $item) {
fputcsv($f, $item, $delimiter, $enclosure, $escape_cha...
Convert float to double without losing precision
...or originally. The double is representing the original float accurately; toString is showing the "extra" data which was already present.
For example (and these numbers aren't right, I'm just making things up) suppose you had:
float f = 0.1F;
double d = f;
Then the value of f might be exactly 0.1...
Flags to enable thorough and verbose g++ warnings
...op). It is also warning for the
constructor of a const array of const std::string (where this is no
loop in user code).
-Wzero-as-null-pointer-constant and -Wuseless-cast are
GCC-4.7-only warnings, which I will add when I transition to GCC 4.7.
I've filed a few bug reports / enhancement requests a...
Upload files with HTTPWebrequest (multipart/form-data)
...request stream. Here is the result:
public static void HttpUploadFile(string url, string file, string paramName, string contentType, NameValueCollection nvc) {
log.Debug(string.Format("Uploading {0} to {1}", file, url));
string boundary = "---------------------------" + DateTime...
Convert javascript array to string
I'm trying to iterate over a "value" list and convert it into a string. Here is the code:
14 Answers
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