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Can Json.NET serialize / deserialize to / from a stream?
...no need to vote down, this is correct on older versions).
Use the JsonTextReader class with a StreamReader or use the JsonSerializer overload that takes a StreamReader directly:
var serializer = new JsonSerializer();
serializer.Deserialize(streamReader);
...
How to learn R as a programming language [closed]
... might want to look at this article by John Cook. Also make sure that you read "The R Inferno".
There are many good resources on the R homepage, but in particular, read "An Introduction to R" and "The R Language Definition".
Some very closely related stackoverflow questions:
books-for-learning-...
How to substring in jquery
... sleep. I've cleaned things up here a little. Meanwhile, somebody needs to read this
– BoltClock♦
Jan 24 '13 at 7:21
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How do I make a text input non-editable?
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<input type="text" value="3" class="field left" readonly>
No styling necessary.
See <input> on MDN https://developer.mozilla.org/en/docs/Web/HTML/Element/input#Attributes
share
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How to explain callbacks in plain english? How are they different from calling one function from ano
...of integer 4 in "a" parameter, the callback_funct will return 6 as result. Read this callbackhell.com best source I found.
– Dung
Nov 1 '17 at 10:03
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jquery change class name
...r dom object. How do I grab the td's id and change its class? - maybe i am reading it wrong, maybe he means use the td's id to change the class...
– Bob Fincheimer
Aug 10 '10 at 19:59
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R command for setting working directory to source file location in Rstudio
...uments/proyect1").
Once you set that, you can navigate to a subdirectory: read.csv("DATA/mydata.csv"). Is the same as read.csv("D:/Documents/proyect1/DATA/mydata.csv").
If you want to navigate to a parent folder, you can use "../".
For example: read.csv("../olddata/DATA/mydata.csv") which is the ...
Send a file via HTTP POST with C#
I've been searching and reading around to that and couldn't fine anything really useful.
8 Answers
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How to check if a json key exists?
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just before read key check it like before read
JSONObject json_obj=new JSONObject(yourjsonstr);
if(!json_obj.isNull("club"))
{
//it's contain value to be read operation
}
else
{
//it's not contain key club or isnull so do this opera...
Most underused data visualization [closed]
...y agree with the other posters: Tufte's books are fantastic and well worth reading.
First, I would point you to a very nice tutorial on ggplot2 and ggobi from "Looking at Data" earlier this year. Beyond that I would just highlight one visualization from R, and two graphics packages (which are no...