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What is the advantage of using async with MVC5?
...a request hits the action, ASP.NET takes a thread from the thread pool and starts executing it.
The IdentityManager.Authentication.CheckPasswordAndSignIn method is invoked. This is a blocking call -> during the entire call the worker thread is being jeopardized.
And here's how the second call w...
How are everyday machines programmed?
...ystems like that don't carry an operating system. They simply load from a start address in memory and you put your code there. Often these systems have their "code" burned into EEPROMS that act as the hard drive of the system. Screw up the code after burning the proms, throw the chips away reburn...
What does collation mean?
...ueco
dado
(...)
lámpara
luego
llanta
lluvia
madera
Notice all the words starting with single c go together, except words starting with ch which go after them, same with ll-starting words which go after all the words starting with a single l. This is the ordering you'll see in old dictionaries and...
Output to the same line overwriting previous output?
..., ending the line with a carriage return instead returns the cursor to the start of the current line. Thus, there's no need to import the sys module for this sort of simple usage. print() actually has a number of keyword arguments which can be used to greatly simplify code.
To use the same code on ...
jquery UI Sortable with table and tr width
... table) you need a drop placeholder. For that we need to add a function on start that builds the placeholder:
$('#sortFixed tbody').sortable({
items: '> tr',
forcePlaceholderSize: true,
placeholder:'must-have-class',
start: function (event, ui) {
// Build a placeholder ce...
UIView frame, bounds and center
...ition of its rectangle in the superview's coordinate system. By default it starts at the top left.
Bounds A view's bounds (CGRect) expresses a view rectangle in its own coordinate system.
Center A center is a CGPoint expressed in terms of the superview's coordinate system and it determines the pos...
How to link Docker services across hosts?
...rm allows you do "join" multiple docker daemons: You first create a swarm, start a swarm manager on one machine, and have docker daemons "join" the swarm manager using the swarm's identifier. The docker client connects to the swarm manager as if it were a regular docker server.
When a container st...
How to get .pem file from .key and .crt files?
...
If you want a file starting with -----BEGIN RSA PRIVATE KEY----- and have one that starts with -----BEGIN ENCRYPTED PRIVATE KEY-----, this is the command you want to use.
– Philippe Gerber
Feb 16 '13 at 12...
Heroku + node.js error (Web process failed to bind to $PORT within 60 seconds of launch)
...
Here's an example: github.com/heroku/node-js-getting-started/blob/master/index.js
– Pablo
Apr 28 '16 at 11:39
3
...
Numpy - add row to array
...p.array(py_array)
numpy_row = np.array([4,5,6])
n_loops = 100
start_clock = perf_counter()
for count in range(0, n_loops):
numpy_array = np.vstack([numpy_array, numpy_row]) # 5.8 micros
duration = perf_counter() - start_clock
print('numpy 1.14 takes {:.3f} micros per ...