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postgresql port confusion 5433 or 5432?
...ng to the same unix socket.
Most Mac users work around this by just using tcp/ip with psql -h localhost. You can also specify a port if required, eg psql -h localhost -p 5433. You might have multiple PostgreSQL instances running so make sure you're connecting to the right one by using select versio...
How to use knockout.js with ASP.NET MVC ViewModels?
...nt = function () {
alert("de");
};
};
$(function () {
var jsonModel = '@Html.Raw(JsonConvert.SerializeObject(this.Model))';
var mvcModel = ko.mapping.fromJSON(jsonModel);
var myViewModel = new viewModel();
var g = ko.mapping.fromJS(myViewModel, mvcModel);
ko.applyB...
How to prevent SIGPIPEs (or handle them properly)
I have a small server program that accepts connections on a TCP or local UNIX socket, reads a simple command and, depending on the command, sends a reply. The problem is that the client may have no interest in the answer sometimes and exits early, so writing to that socket will cause a SIGPIPE and m...
browser sessionStorage. share between tabs?
...he sessionStorage -> send it
localStorage.setItem('sessionStorage', JSON.stringify(sessionStorage));
// the other tab should now have it, so we're done with it.
localStorage.removeItem('sessionStorage'); // <- could do short timeout as well.
} else if (event.key == 'sessionStorag...
What exactly does the Access-Control-Allow-Credentials header do?
...gin requests. This is different from other cross-origin techniques such as JSON-P. JSON-P always includes cookies with the request, and this behavior can lead to a class of vulnerabilities called cross-site request forgery, or CSRF.
In order to reduce the chance of CSRF vulnerabilities in CORS, COR...
How do I make an asynchronous GET request in PHP?
...ich will make a Asynchronous HTTP post.
function _async_http_post($url, $json_string) {
$run = "curl -X POST -H 'Content-Type: application/json'";
$run.= " -d '" .$json_string. "' " . "'" . $url . "'";
$run.= " > /dev/null 2>&1 &";
exec($run, $output, $exit);
return $exit =...
Execute Python script via crontab
...by watching the files created by your program:
f = file('counter', 'r+w')
json_file = file('json_file_create_server.json','r+w')
the crontab job above won't create these file in directory /home/souza/Documets/Listener, as the cron job is not executed in this directory, and you use relative path i...
How to send an object from one Android Activity to another using Intents?
... How would this be implemented where mData is an object (e.g. JSONObject) and not an int?
– Peter Ajtai
Nov 2 '11 at 17:04
302
...
Python creating a dictionary of lists
...
Personally, I just use JSON to convert things to strings and back. Strings I understand.
import json
s = [('yellow', 1), ('blue', 2), ('yellow', 3), ('blue', 4), ('red', 1)]
mydict = {}
hash = json.dumps(s)
mydict[hash] = "whatever"
print mydict
...
How to check if a user likes my Facebook Page or URL using Facebook's API
... $sig = base64_decode(strtr($encoded_sig, '-_', '+/'));
$data = json_decode(base64_decode(strtr($payload, '-_', '+/'), true));
return $data;
}
return false;
}
if($signed_request = parsePageSignedRequest()) {
if($signed_request->page->liked) {
echo "This c...