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Why use Object.prototype.hasOwnProperty.call(myObj, prop) instead of myObj.hasOwnProperty(prop)?
...ototype-builtins: For example, it would be unsafe for a webserver to parse JSON input from a client and call hasOwnProperty directly on the resulting object, because a malicious client could send a JSON value like {"hasOwnProperty": 1} and cause the server to crash.
– naught101...
How can I use pickle to save a dict?
...ckle')
Alternative Formats
CSV: Super simple format (read & write)
JSON: Nice for writing human-readable data; VERY commonly used (read & write)
YAML: YAML is a superset of JSON, but easier to read (read & write, comparison of JSON and YAML)
pickle: A Python serialization format (rea...
'System.Net.Http.HttpContent' does not contain a definition for 'ReadAsAsync' and no extension metho
...Net.Http.Formatting.dll appears to reference version 4.5.0.0 of Newtonsoft.Json.DLL, whereas the latest version is 6.0.0.0. That means you'll need to also add a binding redirect to avoid a .NET Assembly exception if you reference the latest Newtonsoft NuGet package or DLL:
<dependentAssembly>...
Rest with Express.js nested router
...ss').Router();
// api/products
router.get('/', function(req, res) {
res.json({ products: [] });
});
// api/products/:id
router.get('/:id', function(req, res) {
res.json({ id: req.params.id });
});
module.exports = router;
Nesting example in folder structure
I noticed some comments on "nest...
MVC Vs n-tier architecture
...sors), but the point here is N-Tier aludes to a physical network hop (e.g. TCP/IP). Locally you would be more efficent to use named pipes, but again, if you run on the same system you are competitng for memory and processing power. All of these are the reasons to consider isolating presentation, B...
CSRF Token necessary when using Stateless(= Sessionless) Authentication?
... protect against cross site requests"
http://angular-tips.com/blog/2014/05/json-web-tokens-introduction/
"If we go down the cookies way, you really need to do CSRF to avoid cross site requests. That is something we can forget when using JWT as you will see."
(JWT = Json Web Token, a Token based aut...
mongodb group values by multiple fields
...nst uri = 'mongodb://localhost:27017';
const log = data => console.log(JSON.stringify(data, undefined, 2));
(async function() {
try {
const client = await MongoClient.connect(uri);
const db = client.db('bookDemo');
const books = db.collection('books');
let { version } = awa...
Cassandra port usage - how are the ports used?
...
For Apache Cassandra 2.0 you need to take into account the following TCP ports:
(See EC2 security group configuration and Apache Cassandra FAQ)
Cassandra
7199 JMX monitoring port
1024 - 65355 Random port required by JMX. Starting with Java 7u4 a specific port can be specified using the com....
NSURLRequest setting the HTTP header
...RL:url)
request.HTTPMethod = "POST"
var err: NSError?
request.HTTPBody = NSJSONSerialization.dataWithJSONObject(params, options: nil, error: &err)
request.addValue("application/json", forHTTPHeaderField: "Content-Type")
request.addValue("application/json", forHTTPHeaderField: "Accept")
...
What is the max size of localStorage values?
...ues, and in order to do that the objects need to be stringified (stored as JSON-string) before they can be stored, is there a defined limitation regarding the length of the values.
...