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Flatten an Array of Arrays in Swift
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Swift >= 3.0
reduce:
let numbers = [[1,2,3],[4],[5,6,7,8,9]]
let reduced = numbers.reduce([], +)
flatMap:
let numbers = [[1,2,3],[4],[5,6,7,8,9]]
let flattened = numbers.flatMap { $0 }
joined:
let numbers = [[1,2,3],[4],[5,6,7,8...
Get Image size WITHOUT loading image into memory
...e operations in the source like:
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prefix = fp.read(16)
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fp.seek(0)
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but these hardly constitute reading the whole file. In fact .open simply returns a file object and the filename on success. In addition the docs say:
open(file, mode=”r”)
Opens and identifies the given ...
is node.js' console.log asynchronous?
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102
Update: Starting with Node 0.6 this post is obsolete, since stdout is synchronous now.
Well le...
uwsgi invalid request block size
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208
I aslo ran into same issue while following some tutorial.
The problem was that I set the option...
Calculating how many minutes there are between two times
... you trying 'span.Minutes', this will return only the minutes of timespan [0~59], to return sum of all minutes from this interval, just use 'span.TotalMinutes'.
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Using Custom Domains With IIS Express
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+500
This is what worked for me (Updated for VS 2013, see revision history for 2010, for VS 2015 see this: https://stackoverflow.com/a/327...
Suppress properties with null value on ASP.NET Web API
...ueHandling = NullValueHandling.Ignore
}
};
config.Formatters.RemoveAt(0);
config.Formatters.Insert(0, jsonformatter);
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Set a persistent environment variable from cmd.exe
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answered May 5 '11 at 13:09
Vik DavidVik David
3,00633 gold badges1919 silver badges2626 bronze badges
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Produce a random number in a range using C#
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You can try
Random r = new Random();
int rInt = r.Next(0, 100); //for ints
int range = 100;
double rDouble = r.NextDouble()* range; //for doubles
Have a look at
Random Class, Random.Next Method (Int32, Int32) and Random.NextDouble Method
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pandas: multiple conditions while indexing data frame - unexpected behavior
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answered Mar 23 '14 at 13:02
DSMDSM
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