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Count(*) vs Count(1) - SQL Server
...e Count(1) over Count(*) and if there is a noticeable difference in performance or if this is just a legacy habit that has been brought forward from days gone past?
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Increase modal size for Twitter Bootstrap
I am trying to change the size of the modal form or rather - have it respond to the content I render there. I am using it to render a form and would prefer to deal with scrolling if required myself.
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How to send JSON instead of a query string with $.ajax?
..... the problem is that in $_POST in php you can only see application/x-www-form-urlencoded, if you want to read json data you must do file_get_contents("php://input") and perhaps then a json_decode()
– santiago arizti
Nov 23 '18 at 15:33
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What is aria-label and how should I use it?
... HTML (e.g. an h1 should be emphasised more than a p, a is clearly a link, form` indicates somewhere to enter information, aria-* attributes give further clues to what the elements do, etc).
– Olly Hodgson
Feb 26 '14 at 13:08
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Python multiprocessing PicklingError: Can't pickle
... the answer. These days when processing power increases mostly come in the form of more rather than more powerful CPU cores, switching from multicore to single-core execution is a rather significant side effect.
Express.js - app.listen vs server.listen
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The second form (creating an HTTP server yourself, instead of having Express create one for you) is useful if you want to reuse the HTTP server, for example to run socket.io within the same HTTP server instance:
var express = require('...
Difference between Hashing a Password and Encrypting it
... This is safe right? As long as the passwords are never stored in unhashed form for long term and all occurences of encrypted/plaintext passwords are erased from any memory when no longer needed?
– AgentM
Apr 14 '19 at 9:23
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What is the difference between old style and new style classes in Python?
...ss
Python 3 Note:
Python 3 doesn't support old style classes, so either form noted above results in a new-style class.
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Set value to null in WPF binding
...xchange.using('gps', function() { StackExchange.gps.track('embedded_signup_form.view', { location: 'question_page' }); });
$window.unbind('scroll', onScroll);
}
};
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Breaking up long strings on multiple lines in Ruby without stripping newlines
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See the answer by @Jessehz. The way to have nicely formatted code with proper indenting is to put each line in quotes.
– orrd
Jun 5 '17 at 20:41
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