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Setting up FTP on Amazon Cloud Server [closed]
I am trying to set up FTP on Amazon Cloud Server, but without luck.
I search over net and there is no concrete steps how to do it.
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Rails: How does the respond_to block work?
...fused with section 6.7. After generating a scaffold I find the following auto-generated block in my controller:
9 Answers
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What is an optional value in Swift?
...an hold either a value or no value. Optionals are written by appending a ? to any type:
var name: String? = "Bertie"
Optionals (along with Generics) are one of the most difficult Swift concepts to understand. Because of how they are written and used, it's easy to get a wrong idea of what they are. ...
What is 'Context' on Android?
...y-created objects understand what has been going on. Typically you call it to get information regarding another part of your program (activity and package/application).
You can get the context by invoking getApplicationContext(), getContext(), getBaseContext() or this (when in a class that extends ...
How do you create a read-only user in PostgreSQL?
I'd like to create a user in PostgreSQL that can only do SELECTs from a particular database. In MySQL the command would be:
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How does Duff's device work?
...e program for the first pass is:
int count; // Set to 20
{
int n = (count + 7) / 8; // n is now 3. (The "while" is going
// to be run three times.)
switch (count % 8) { // The remainder is 4 (20 modulo 8) ...
Server.Transfer Vs. Response.Redirect
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Response.Redirect simply sends a message (HTTP 302) down to the browser.
Server.Transfer happens without the browser knowing anything, the browser request a page, but the server returns the content of another.
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Bomb dropping algorithm
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There is a way to reduce this to a simple sub-problem.
There are 2 parts to the explanation, the algorithm, and the reason the algorithm
provides an optimal solution. The first won't make sense without the second, so I'll
start with the...
What exactly is OAuth (Open Authorization)?
...vider (e.g. Facebook) that the resource owner (e.g. you) grants permission to a third-party (e.g. a Facebook Application) access to their information (e.g. the list of your friends).
If you read it stated as plainly, I would understand your confusion. So let's go with a concrete example: joining ye...
Understanding how recursive functions work
...ve a very fundamental programming question which I have just not been able to grok yet. Filtering out all of the (extremely clever) "In order to understand recursion, you must first understand recursion." replies from various online threads I still am not quite getting it.
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