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Android : difference between invisible and gone?
...n visibility initially set to
INVISIBLE:
Adapter's getView() function called
GONE:
Adapter's getView() function didn't call, thus preventing views to load, when it is unnecessary
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MySQL “between” clause not inclusive?
...0:00. Comparing on a date range will therefore lose the last day. Either call DATE(dob) or specify the end of the day.
– wintermute92
Sep 20 '16 at 19:46
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Which data type for latitude and longitude?
...nctionality PostGIS offers, Postgres (nowadays) offers an extension module called earthdistance. It uses the point or cube data type depending on your accuracy needs for distance calculations.
You can now use the earth_box function to -for example- query for points within a certain distance of a lo...
Requests — how to tell if you're getting a 404
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If you want requests to raise an exception for error codes (4xx or 5xx), call r.raise_for_status():
>>> r = requests.get('http://httpbin.org/status/404')
>>> r.raise_for_status()
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
File "request...
What is the difference between supervised learning and unsupervised learning? [closed]
...ate" forms of supervision, i.e. semi-supervised and active learning. Technically, these are supervised methods in which there is some "smart" way to avoid a large number of labeled examples. In active learning, the algorithm itself decides which thing you should label (e.g. it can be pretty sure abo...
What is the difference (if any) between Html.Partial(view, model) and Html.RenderPartial(view,model)
Other than the type it returns and the fact that you call it differently of course
2 Answers
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When correctly use Task.Run and when just async-await
...DN article Best Practices in Asynchronous Programming.
2) Use Task.Run to call CPU-bound methods.
You should use Task.Run, but not within any code you want to be reusable (i.e., library code). So you use Task.Run to call the method, not as part of the implementation of the method.
So purely CPU-b...
How to secure database passwords in PHP?
... to the config file, allowing it to use the password. e.g. I create a file called 'app1_db_cfg.php' that stores the login, pword, & db name. Then my application.php page includes 'app1_db_cfg.php' and I'm in business!
– user18359
Sep 19 '08 at 0:40
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How to get item's position in a list?
...nge() creates a iterator. xrange() uses waaaay less memory, and the inital call is faster.
– gnud
Dec 13 '08 at 1:39
2
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Adding code to a javascript function programmatically
...vailable, then you can cache the function, create your own, and have yours call it.
So if this is the original...
someFunction = function() {
alert("done");
}
You'd do this...
someFunction = (function() {
var cached_function = someFunction;
return function() {
// your code
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