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What exactly is node.js used for? [closed]
...deJS:
REST APIs and Backend Applications
Real-Time services (Chat, Games etc)
Blogs, CMS, Social Applications.
Utilities and Tools
Anything that is not CPU intensive.
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Does Swift support reflection?
...anagement (i.e Aspect Oriented Programming).
Proxies, message forwarding, etc.
Therefore its recommended that clases in Cocoa/CocoaTouch applications implemented with Swift:
Extend from NSObject. The new class dialog in Xcode steers in this direction.
Where the overhead of of a dynamic dispa...
How do multiple clients connect simultaneously to one port, say 80, on a server? [duplicate]
...n.
3.) When a client connects to a server, it picks a random, unused high-order source port. This way, a single client can have up to ~64k connections to the server for the same destination port.
So, this is really what gets created when a client connects to a server:
Local Computer | Remot...
Post parameter is always null
...o use an actual parameter type of a certain object? e.g, parameter of type Order for a web api method?
– Ron Nuni
Dec 7 '16 at 9:02
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How to get a number of random elements from an array?
...original population unchanged. The resulting list is
in selection order so that all sub-slices will also be valid random
samples. This allows raffle winners (the sample) to be partitioned
into grand prize and second place winners (the subslices).
Members of the pop...
Change name of iPhone app in Xcode 4
...t app. You will need to generate a new App ID and Provisioning Profile in order to distribute your app to a physical device.
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css ellipsis on second line
...rflow: ellipsis; to work is a one-line version of white-space (pre, nowrap etc). Which means the text will never reach the second line.
Ergo. Not possible in pure CSS.
My source when I was looking for the exact same thing just now: http://www.quirksmode.org/css/textoverflow.html (Quirksmode ftw!)
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ASP.NET MVC A potentially dangerous Request.Form value was detected from the client when using a cus
... var theValue = valueProviderResult.AttemptedValue;
// etc...
}
}
}
The other required piece is a way to retrieve an unvalidated value. In this example we use an extension method for the ModelBindingContext class:
public static class ExtensionHelpers
{
public s...
Check if an array is empty or exists
... tested all other possibilities, we're talking to an instance of Array. In order to make sure it's not empty, we ask about number of elements it's holding, and making sure it has more than zero elements.
firstArray = [];
firstArray.length > 0; // => false
secondArray = [1,2,3];
secondArray....
T-SQL query to show table definition?
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This shows structure, constraints, contraint types etc. Just one thing to note: you must write full name of the datatable. Schema.TableName. Otherwise, it completely solves the problem and gives all info about table.
– FrenkyB
Mar 9 '15 ...