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launch sms application with an intent
..._INT >= Build.VERSION_CODES.KITKAT) // At least KitKat
{
String defaultSmsPackageName = Telephony.Sms.getDefaultSmsPackage(this); // Need to change the build to API 19
Intent sendIntent = new Intent(Intent.ACTION_SEND);
sendIntent.setType("text/plain");
...
Reload Flask app when template file changes
...pplication when the templates change (or any other file), you can pass the extra_files argument to Flask().run(), a collection of filenames to watch: any change on those files will trigger the reloader.
Example:
from os import path, walk
extra_dirs = ['directory/to/watch',]
extra_files = extra_di...
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...
Efficient string concatenation in C++
I heard a few people expressing worries about "+" operator in std::string and various workarounds to speed up concatenation. Are any of these really necessary? If so, what is the best way to concatenate strings in C++?
...
Can't access RabbitMQ web management interface after fresh install
...e this
[{rabbit, [{loopback_users, []}]}].
# It is danger for default user and default password for remote access
# better to change password
rabbitmqctl change_password guest NEWPASSWORD
If you want create a new user with admin grants:
rabbitmqctl add_user test test
rabbitmqctl set_user_tags t...
JSON.stringify without quotes on properties?
...most cases:
const object = { name: 'John Smith' };
const json = JSON.stringify(object); // {"name":"John Smith"}
console.log(json);
const unquoted = json.replace(/"([^"]+)":/g, '$1:');
console.log(unquoted); // {name:"John Smith"}
Extreme case:
var json = '{ "name": "J\\":ohn Smit...
How to initialize a List to a given size (as opposed to capacity)?
...
List<string> L = new List<string> ( new string[10] );
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How do BitTorrent magnet links work?
... bencoder on hand and it matches what is expected from the client.
static string CalculateInfoHash(string path)
{
// assumes info block is last entry in dictionary
var infokey = "e4:info";
var offset = File.ReadAllText(path).IndexOf(infokey) + infokey.Length;
byte[] fileHash = File....
How to convert decimal to hexadecimal in JavaScript
...
Convert a number to a hexadecimal string with:
hexString = yourNumber.toString(16);
And reverse the process with:
yourNumber = parseInt(hexString, 16);
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Why does Windows64 use a different calling convention from all other OSes on x86-64?
...arg[0] and arg[1] has some advantages. See cHao's comment.
?SI and ?DI are string instruction source / destination operands, and as cHao mentioned, their use as argument registers means that with the AMD64 UN*X calling conventions, the simplest possible strcpy() function, for example, only consists ...