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Checking if an Android application is running in the background
...n ancestor for your Activities if you'd like to, but if your activity is already extended from MapActivity/ListActivity etc. you still need to write the following by hand):
@Override
protected void onResume() {
super.onResume();
MyApplication.activityResumed();
}
@Override
protected void onPa...
Copy file or directories recursively in Python
... with links about that, if it sounds new to you. 2) The library function already indirectly checks for that, so why replicate the check? 3) nothing stops the shutil.copytree function from improving and managing both cases in the future. 4) Exceptions aren't that exceptional in Python; e.g. an iterat...
C# Events and Thread Safety
...at the action at the start of the list will have executed before another thread unsubscribes a handler near the end of the list. However, that handler will still be executed because it'll be a new list. (Delegates are immutable.) As far as I can see this is unavoidable.
Using an empty delegate cert...
What are Aggregates and PODs and how/why are they special?
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How to read:
This article is rather long. If you want to know about both aggregates and PODs (Plain Old Data) take time and read it. If you are interested just in aggregates, read only the first part. If you are interested only in ...
Why is there an “Authorization Code” flow in OAuth2 when “Implicit” flow works so well?
...roperties:
They are not part of the HTTP request therefore they can't be read by servers and because of that they cannot be intercepted by intermediary servers/routers (this is important).
They only exist on the browser - client side - so the only way to read the hash fragment is using JavaScript ...
Sort ArrayList of custom Objects by property
I read about sorting ArrayLists using a Comparator but in all of the examples people used compareTo which according to some research is a method for Strings.
...
Easy way to concatenate two byte arrays
...peration. If it's a billion times a second - sure, optimize it. Otherwise, readability and maintainability might be the winning considerations.
– vikingsteve
Dec 6 '13 at 15:35
5
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How do I split a string by a multi-character delimiter in C#?
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@IRBMe have you read the question? 'I want to split on "is". So I will get "This " and " a sentence"'. See the spaces in the results??? This is exacly what Split does.
– bruno conde
Jul 14 '09 at 19:41
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Replace part of a string with another string
... Is this still the only solution in 2018? If so and any C++ committee are reading this, sort it out. It's embarrassing. split(string, string) and replace(string, string) please!
– user997112
Jul 31 '18 at 12:53
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MySQL: #126 - Incorrect key file for table
...L. If you look at the documentation about the CREATE TABLE Syntax, you can read:
KEY is normally a synonym for INDEX. The key attribute PRIMARY KEY can also be specified as just KEY when given in a column definition. This was implemented for compatibility with other database systems.
Now, th...