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Running multiple AsyncTasks at the same time — not possible?
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AsyncTask uses a thread pool pattern for running the stuff from doInBackground(). The issue is initially (in early Android OS versions) the pool size was just 1, meaning no parallel computations for a bunch of AsyncTasks. But later they fixed that and now the size is 5, so at most 5 ...
Update one MySQL table with values from another
I'm trying to update one MySQL table based on information from another.
2 Answers
2
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Uint8Array to string in Javascript
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TextEncoder and TextDecoder from the Encoding standard, which is polyfilled by the stringencoding library, converts between strings and ArrayBuffers:
var uint8array = new TextEncoder("utf-8").encode("¢");
var string = new TextDecoder("utf-8").decode(u...
How to list imported modules?
...val.__name__
This won't return local imports, or non-module imports like from x import y. Note that this returns val.__name__ so you get the original module name if you used import module as alias; yield name instead if you want the alias.
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How to change the Push and Pop animations in a navigation based app
...r/move-off
In your animatePush and animatePop routines. You must get the "from view" and the "to view". (How to do that, is shown in the code example.)
and you must addSubview for the new "to" view.
and you must call completeTransition at the end of your anime
So ..
class SimpleOver: NSObject...
Can local storage ever be considered secure? [closed]
...Library. There are inherent weaknesses, though (as referred to in the link from @ircmaxell's answer):
Lack of entropy / random number generation;
Lack of a secure keystore i.e. the private key must be password-protected if stored locally, or stored on the server (which bars offline access);
Lack o...
Performant Entity Serialization: BSON vs MessagePack (vs JSON)
...SON. That means some type information can be lost when you convert objects from BSON to JSON, but of course only when these special types are in the BSON source. It can be a disadvantage to use both JSON and BSON in single service.
MessagePack is designed to be transparently converted from/to JSON....
Add one row to pandas DataFrame
... it to be in the dataframe.
>>> import pandas as pd
>>> from numpy.random import randint
>>> df = pd.DataFrame(columns=['lib', 'qty1', 'qty2'])
>>> for i in range(5):
>>> df.loc[i] = ['name' + str(i)] + list(randint(10, size=2))
>>> df
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leiningen - how to add dependencies for local jars?
...project. Is there a way to modify project.clj to tell it to pick some jars from local directories?
11 Answers
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What is the difference between __init__ and __call__?
...es can be passed in inputs to other functions and/or methods, and executed from inside them.
Instances of Classes (aka Objects), can be treated as if they were functions: pass them to other methods/functions and call them. In order to achieve this, the __call__ class function has to be specialized....