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Json.net serialize/deserialize derived types?
... = new JsonSerializerSettings { TypeNameHandling = TypeNameHandling.All };
string Serialized = JsonConvert.SerializeObject(inheritanceList, settings);
List<Base> deserializedList = JsonConvert.DeserializeObject<List<Base>>(Serialized, settings);
This will result in correct deseri...
angular ng-repeat in reverse
...se, or making it more lenient to allow the reversal of more things such as strings.
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Is It Possible to NSLog C Structs (Like CGRect or CGPoint)?
...
You can try this:
NSLog(@"%@", NSStringFromCGPoint(cgPoint));
There are a number of functions provided by UIKit that convert the various CG structs into NSStrings. The reason it doesn't work is because %@ signifies an object. A CGPoint is a C struct (and s...
How to export collection to CSV in MongoDB?
...2049ed23065398 fixes the docs for 3.0.0-rc10 and later. It changes
Fields string `long:"fields" short:"f" description:"comma separated list of field names, e.g. -f name,age"`
to
Fields string `long:"fields" short:"f" description:"comma separated list of field names (required for exporting CSV) e...
Correct approach to global logging in Golang
...mport (
"log"
"os"
"sync"
)
type logger struct {
filename string
*log.Logger
}
var logger *logger
var once sync.Once
// start loggeando
func GetInstance() *logger {
once.Do(func() {
logger = createLogger("mylogger.log")
})
return logger
}
func createLogger...
Lua简明教程 - 脚本技术 - 清泛IT论坛，有思想、有深度
...，你也可以定义成不同的类型的数组，比如：arr = {"string", 100, "haoel", function() print("coolshell.cn") end}复制代码
注：其中的函数可以这样调用：arr[4]()。我们可以看到Lua的下标不是从0开始的，是从1开始的。for i...
What is the rationale behind having companion objects in Scala?
...xample.
abstract class AnimalCounter
{
var animals = 0
def name: String
def count()
{
animals += 1
println("%d %ss created so far".format(animals, name))
}
}
abstract class Animal
{
def companion: AnimalCounter
companion.count()
}
object Dog extends A...
Why is String.chars() a stream of ints in Java 8?
In Java 8, there is a new method String.chars() which returns a stream of int s ( IntStream ) that represent the character codes. I guess many people would expect a stream of char s here instead. What was the motivation to design the API this way?
...
How to get an object's property's value by property name?
...Shell, how do you get an object's property value by specifying its name (a string)? I want something like the following:
6 ...
what is the best way to convert a json formatted key value pair to ruby hash with symbol as key?
...
using the json gem when parsing the json string you can pass in the symbolize_names option. See here: http://flori.github.com/json/doc/index.html (look under parse)
eg:
>> s ="{\"akey\":\"one\",\"bkey\":\"two\"}"
>> JSON.parse(s,:symbolize_names => ...