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Using the rJava package on Win7 64 bit with R
...ava will find the jvm.dll automatically, without manually setting the PATH or JAVA_HOME. However note that:
To use rJava in 32-bit R, you need Java for Windows x86
To use rJava in 64-bit R, you need Java for Windows x64
To build or check R packages with multi-arch (the default) you need to instal...
Easy way to pull latest of all git submodules
... you need to use --init first:
git submodule update --init --recursive
For git 1.8.2 or above, the option --remote was added to support updating to latest tips of remote branches:
git submodule update --recursive --remote
This has the added benefit of respecting any "non default" branches spec...
Can't find how to use HttpContent
...wait httpClient.PostAsync("http://www.sample.com/write", stringContent);
Or,
var stringContent = new StringContent(JsonConvert.SerializeObject(model), Encoding.UTF8, "application/json");
var response = await httpClient.PostAsync("http://www.sample.com/write", stringContent);
...
String to object in JS
...arse(text[, reviver]);
Examples:
1)
var myobj = JSON.parse('{ "hello":"world" }');
alert(myobj.hello); // 'world'
2)
var myobj = JSON.parse(JSON.stringify({
hello: "world"
});
alert(myobj.hello); // 'world'
3)
Passing a function to JSON
var obj = {
hello: "World",
sayHello: (fun...
How can I check if a var is a string in JavaScript?
... {
// this is a string
}
On a related note: the above check won't work if a string is created with new String('hello') as the type will be Object instead. There are complicated solutions to work around this, but it's better to just avoid creating strings that way, ever.
...
Send message to specific client with socket.io and node.js
I'm working with socket.io and node.js and until now it seems pretty good, but I don't know how to send a message from the server to an specific client, something like this:
...
ASP.NET web.config: configSource vs. file attributes
...n some sections of config, like appSettings and connectionStrings , supports the attributes file and configSource .
1...
Why are static variables considered evil?
I am a Java programmer who is new to the corporate world. Recently I've developed an application using Groovy and Java. All through the code I wrote used quite a good number of statics. I was asked by the senior technical lot to cut down on the number of statics used. I've googled about the same, ...
update package.json version automatically
Before I do a small release and tag it, I'd like to update the package.json to reflect the new version of the program.
11 A...
Chrome/jQuery Uncaught RangeError: Maximum call stack size exceeded
I am getting the error "Uncaught RangeError: Maximum call stack size exceeded" on chrome. here is my jQuery function
6 Answ...