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How to inherit from a class in javascript?
...sole issue?)
// In the Chrome console you should be able to drill down the __proto__ chain
// You can also look down the proto chain with Object.getPrototypeOf
// (Equivalent to tiger.__proto__)
console.log( Object.getPrototypeOf(tiger) ); // Mammal
console.log( Object.getPrototypeOf(Object.getPro...
jquery how to empty input field
I am in a mobile app and I use an input field in order user submit a number.
7 Answers
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What is the LD_PRELOAD trick?
...
If you set LD_PRELOAD to the path of a shared object, that file will be loaded before any other library (including the C runtime, libc.so). So to run ls with your special malloc() implementation, do this:
$ LD_PRELOAD=/path/to/my/malloc....
How to check all checkboxes using jQuery?
...m not expert with jQuery but I have tried to create a little script for my application. I want to check all checkboxes but it isn't working correctly.
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NSLog with CGPoint data
... First, you’d need to build the FindAlignment.c file as an iOS app and run it on a device (not simulator). Then, copy the result into a new #elif block before the #else at line 172 in JAValueToString.m. If this doesn’t work, additional debugging will be required. I can’t do it since ...
How to post JSON to a server using C#?
...pWebRequest)WebRequest.Create("http://url");
httpWebRequest.ContentType = "application/json";
httpWebRequest.Method = "POST";
using (var streamWriter = new StreamWriter(httpWebRequest.GetRequestStream()))
{
string json = "{\"user\":\"test\"," +
"\"password\":\"bla\"}";
st...
Run R script from command line
...ou really want to use the ./a.R way of calling the script you could add an appropriate #! to the top of the script
#!/usr/bin/env Rscript
sayHello <- function(){
print('hello')
}
sayHello()
I will also note that if you're running on a *unix system there is the useful littler package which ...
Get the Query Executed in Laravel 3/4
...:getQueryLog() to get all ran queries.
$queries = DB::getQueryLog();
$last_query = end($queries);
Or you can download a profiler package. I'd recommend barryvdh/laravel-debugbar, which is pretty neat. You can read for instructions on how to install in their repository.
Note for Laravel 5 users: ...
Automatically capture output of last command into a variable using Bash?
...y getting at results.
That being said, here is the "solution":
PROMPT_COMMAND='LAST="`cat /tmp/x`"; exec >/dev/tty; exec > >(tee /tmp/x)'
Set this bash environmental variable and issues commands as desired. $LAST will usually have the output you are looking for:
startide seth> ...
How to POST JSON Data With PHP cURL?
...y -- but even if it were correct, you would not be able to test using print_r($_POST) (read why here). Instead, on your second page, you can nab the incoming request using file_get_contents("php://input"), which will contain the POSTed json. To view the received data in a more readable format, try...