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MySQL WHERE: how to write “!=” or “not equals”?
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How to change 'Maximum upload size exceeded' restriction in Shiny and save user file inputs?
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Rails create or update magic?
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Rails 5, 4, and 3
Not if you are looking for an "upsert" (where the database executes an update or an insert statement in the same operation) type of statement. Out of the box, Rails and ActiveRecord have no such feature. You can use the upsert gem, however.
Otherwise, you can use: find_or_initi...
Can you overload controller methods in ASP.NET MVC?
...g distinct, i.e., HttpGet or HttpPost, but not both. That way it can tell based on the type of request which method to use.
[HttpGet]
public ActionResult Show()
{
...
}
[HttpPost]
public ActionResult Show( string userName )
{
...
}
One suggestion I have is that, for a case like this, woul...
Easiest way to read from a URL into a string in .NET
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Get the distance between two geo points
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An approximated solution (based on an equirectangular projection), much faster (it requires only 1 trig and 1 square root).
This approximation is relevant if your points are not too far apart. It will always over-estimate compared to the real haversi...
Android equivalent of NSUserDefaults in iOS
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How to get the last day of the month?
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@BenH That is based on the hope (I'm not sure it is specified) that first the months is added, then the seconds subtracted. Since they are passed as **kwargs I wouldn't rely on that and do a series of separate operations: now + relative(m...
How to change time and timezone in iPhone simulator?
...me zone just for that app.
You can use UTC, PST, EST, as well as place-based timezone names such as America/Los_Angeles. It's not well documented, but I suspect any time zone name should work.
It's not well documented, but the source is an Apple Developer Support rep on the developer forums.
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When should i use npm with “-g” flag and why?
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