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In C++, is it still bad practice to return a vector from a function?
...ts—such as vectors/arrays—in many programming languages. Is this style now acceptable in C++0x if the class has a move constructor, or do C++ programmers consider it weird/ugly/abomination?
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Loading existing .html file with android WebView
...id_res/raw/myfile.html"); works only on API level 8. But it doesn't matter now.
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How do I automatically update a timestamp in PostgreSQL
...update_modified_column()
RETURNS TRIGGER AS $$
BEGIN
NEW.modified = now();
RETURN NEW;
END;
$$ language 'plpgsql';
Apply the trigger like this:
CREATE TRIGGER update_customer_modtime BEFORE UPDATE ON customer FOR EACH ROW EXECUTE PROCEDURE update_modified_column();
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Can anonymous class implement interface?
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@ZainRizvi No, it didn't. As far as I know, it's still in production. The concern raised seemed strange to me then, and arbitrary at best to me now. It was basically saying "Don't use a framework, things will break!". They didn't, nothing went pop, and I'm not sur...
What does the construct x = x || y mean?
...hy; otherwise you'd get "Neither x nor y is truthy".
The actual question
Now, when you know how || operator works, you can probably make out by yourself what does x = x || y mean. If x is truthy, x is assigned to x, so actually nothing happens; otherwise y is assigned to x. It is commonly used to ...
Parse string to DateTime in C#
...lines before so that is okay here.
Update: .ToDate() (without parameters) now defaults to all common date/time patterns of the thread's current culture.
Note that we need the result and dt together, because TryParseExact does not allow to use DateTime?, which we intend to return.
In C# Version 7 y...
Git keeps prompting me for a password
I've been using Git for a while now, but the constant requests for a password are starting to drive me up the wall.
28 Answ...
How do I copy to the clipboard in JavaScript?
...y') return true if the document.execCommand('copy') will succeed if called now. Checking to ensure the command was called from a user-initiated thread and other requirements are met.
However as an example of browser compatibility issues, Google Chrome from ~April to ~October 2015 only returned tru...
Why exactly is eval evil?
I know that Lisp and Scheme programmers usually say that eval should be avoided unless strictly necessary. I’ve seen the same recommendation for several programming languages, but I’ve not yet seen a list of clear arguments against the use of eval . Where can I find an account of the potentia...
How to deal with SettingWithCopyWarning in Pandas?
I just upgraded my Pandas from 0.11 to 0.13.0rc1. Now, the application is popping out many new warnings. One of them like this:
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