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Why should I use document based database instead of relational database?
...from their website)
A document database server, accessible via a RESTful JSON API. Generally, relational databases aren't simply accessed via REST services, but require a much more complex SQL API. Often these API's (JDBC, ODBC, etc.) are quite complex. REST is quite simple.
Ad-hoc and schema-...
Map vs Object in JavaScript
...aking it easy to access elements. You also have direct support for it with JSON. When used as a hash it's annoying to get an object without any properties at all. By default if you want to use Objects as a hash table they will be polluted and you will often have to call hasOwnProperty on them when a...
Python Requests and persistent sessions
...kies saved for future requests.
r2 = s.get('https://localhost/profile_data.json', ...)
#cookies sent automatically!
#do whatever, s will keep your cookies intact :)
For more about sessions: https://requests.kennethreitz.org/en/master/user/advanced/#session-objects
...
Invoke-WebRequest, POST with parameters
...some picky web services, the request needs to have the content type set to JSON and the body to be a JSON string. For example:
Invoke-WebRequest -UseBasicParsing http://example.com/service -ContentType "application/json" -Method POST -Body "{ 'ItemID':3661515, 'Name':'test'}"
or the equivalent fo...
JavaScript global event mechanism
...ith', 'XMLHttpRequest');
xhr.setRequestHeader('Content-Type', 'application/json');
xhr.onload = function() {
if (xhr.status === 200) {
console.log('JS error logged');
} else if (xhr.status !== 200) {
console.error('Failed to log JS error.');
console.error(xhr);
...
How to clear APC cache entries?
...ar_cache();
apc_clear_cache('user');
apc_clear_cache('opcode');
echo json_encode(array('success' => true));
}
else
{
die('SUPER TOP SECRET');
}
Cache clearing script
This script copies apc_clear.php to the web directory, accesses it, then deletes it. This is based off of a Symfony task....
'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>...
YouTube iframe API: how do I control an iframe player that's already in the HTML?
... iframe.contentWindow) {
func = '{"event":"listening","id":' + JSON.stringify(''+frame_id) + '}';
iframe.contentWindow.postMessage(func, '*');
}
} else if ((!queue || !queue.ready) && (
!domReady ||
iframe && !iframe.c...
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.
...
What's the best way of scraping data from a website? [closed]
...comes in very handy. The responses to these might be html or they might be json, in rare cases they will be xml or something else.
There are two approaches to this problem:
The low level approach:
You can figure out what ajax urls the site javascript is calling and what those responses look like ...