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Printing a variable memory address in swift
... exploring their declaration (cmd+click on the type), to understand how to convert a type of pointer into another
var aString : NSString = "This is a string" // create an NSString
var anUnmanaged = Unmanaged<NSString>.passUnretained(aString) // take an unmanaged pointer
var opa...
Converting 'ArrayList to 'String[]' in Java
How might I convert an ArrayList<String> object to a String[] array in Java?
16 Answers
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async await return Task
...int> and you'll return plain int not the Task<int>. Compiler will convert the int to Task<int> for you.
private async Task<int> MethodName()
{
await SomethingAsync();
return 42;//Note we return int not Task<int> and that compiles
}
Sameway, When you return Task&...
JSON serialization of Google App Engine models
...
A simple recursive function can be used to convert an entity (and any referents) to a nested dictionary that can be passed to simplejson:
import datetime
import time
SIMPLE_TYPES = (int, long, float, bool, dict, basestring, list)
def to_dict(model):
output = {}...
AppInventor2 调用位置传感器在高德地图上显示当前位置存在偏差？需进行坐...
...owenshen/article/details/106565207
https://restapi.amap.com/v3/assi ... convert?locations=<经度,纬度>&coordsys=gps&output=JSON&key=标准 GPS 坐标 vs 高德坐标（火星坐标）有什么差异，以及为什么需要转换。这涉及到坐标基准体系（geodetic dat...
How do I apply the for-each loop to every character in a String?
...
You need to convert the String object into an array of char using the toCharArray() method of the String class:
String str = "xyz";
char arr[] = str.toCharArray(); // convert the String object to array of char
// iterate over the array...
Saving timestamp in mysql table using php
...y, a timestamp is only a representation of a date, and vice versa. You can convert from timestamp to date with the function jimy told you, and the other way with strtotime. edit: btw, timestamp only covers a range of all possible dates (1970-01-01 to xx-xx-2032 I think)
– Carlo...
How to format a string as a telephone number in C#
... data types (int, long). If you are starting with a string, you'll need to convert it to a number first. Also, please take into account that you'll need to validate that the initial string is at least 10 characters in length.
From a good page full of examples:
String.Format("{0:(###) ###-####}", 8...
How do you check what version of SQL Server for a database using TSQL?
...me, @ProductLevel sysname, @Edition sysname;
SELECT @ProductVersion = CONVERT(sysname, SERVERPROPERTY('ProductVersion')),
@ProductLevel = CONVERT(sysname, SERVERPROPERTY('ProductLevel')),
@Edition = CONVERT(sysname, SERVERPROPERTY ('Edition'));
--see: http://support2....
Objective-C: Reading a file line by line
...hunks of N bytes (very similar to java.io.BufferedReader), but you have to convert it to an NSString on your own, then scan for newlines (or whatever other delimiter) and save any remaining characters for the next read, or read more characters if a newline hasn't been read yet. (NSFileHandle lets yo...