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Catching all javascript unhandled exceptions
...o display in an alert box all of the unhandled javascript exceptions in an application. I'd want all of this to be done on the client side, without using any server side code. I'm using MVC3 as an environment.
...
How to bind to a PasswordBox in MVVM
...wer implies that the password string is never in memory if you follow this approach. The value of the password will be in memory from the moment the user types it. Eliminating the property holding your passphrase is a good idea and will limit the copies of your password that get left laying aroun...
Fastest way to determine if an integer is between two integers (inclusive) with known sets of values
... WOW!!! This resulted in an order of magnitude improvement in my app for this specific line of code. By precomputing upper-lower my profiling went from 25% time of this function to less than 2%! Bottleneck is now addition and subtraction operations, but I think it might be good enough now ...
Explain the “setUp” and “tearDown” Python methods used in test cases
...top in the place where it was started - this means that we have to restore app state to it's initial state - e.g close files, connections, removing newly created items, calling transactions callback and so on - all these steps are to be included into the tearDown.
So the idea is that test itself sh...
Node.js or Erlang
...ompted me to take a look at node.js. It looks pretty damn good.
It does appear that you need to spawn multiple processes to take advantage of multiple cores. I can't see anything about setting processor affinity though. You could use taskset on linux, but it probably should be parametrized and ...
Android - Handle “Enter” in an EditText
...eyboards, NOT for the soft/virtual keyboard. If you rely on it, then your app will be broken for users without keyboards attached.
– user3562927
Apr 18 '17 at 6:12
14
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Can I do a synchronous request with volley?
...d. Can I do a request using volley in that same thread, so that callbacks happen synchronously?
8 Answers
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Django filter queryset __in for *every* item in list
...ld not be a problem for small set of categories.
There is the aggregation approach. This query would be shorter and perhaps quicker for a large set of categories.
You also have the option of using custom queries.
Some examples
Test setup:
class Photo(models.Model):
tags = models.ManyToMan...
What is a practical use for a closure in JavaScript?
...updateClickCount()">click me</button>
Now there could be many approaches like:
1) You could use a global variable, and a function to increase the counter:
var counter = 0;
function updateClickCount() {
++counter;
// do something with counter
}
But, the pitfall is that any s...
Is there any reason to use a synchronous XMLHttpRequest?
...ink they might become more popular as HTML 5 standards progress. If a web application is given access to web workers, I could foresee developers using a dedicated web worker to make synchronous requests for, as Jonathan said, to ensure one request happens before another. With the current situation...