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View markdown files offline [closed]
... look like once it's uploaded in Github? I'm referring to showing the README.md file as it would come out in Github, and not as for editing purposes.
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Fatal error: use of unimplemented initializer 'init(coder:)' for class
...alizer init?(coder aDecoder: NSCoder) on the target UIViewController. That method is required because instantiating a UIViewController from a UIStoryboard calls it.
To see how we initialize a UIViewController from a UIStoryboard, please take a look here
Why is this not a problem with Objective-C?
Be...
Language Books/Tutorials for popular languages
...d books/tutorials on languages I wanted to learn. Even still, there are times I need to pick up a language relatively quickly for a new project I am working on. The point of this post is to document some of the best tutorials and books for these languages. I will start the list with the best I ca...
How do I subtract minutes from a date in javascript?
...e this pseudo code into working js [don't worry about where the end date comes from except that it's a valid javascript date].
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Read and parse a Json File in C#
...ss Item
{
public int millis;
public string stamp;
public DateTime datetime;
public string light;
public float temp;
public float vcc;
}
You can even get the values dynamically without declaring Item class.
dynamic array = JsonConvert.DeserializeObject(json);
foreach(var it...
Xcode build failure “Undefined symbols for architecture x86_64”
...
It looks like you are missing including the IOBluetooth.framework in your project. You can add it by:
-Clicking on your project in the upper left of the left pane (the blue icon).
-In the middle pane, click on the Build Phases tab.
-Under "Link Binary With Libraries", click on ...
How to grep and replace
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On OS X 10.10 Terminal, a proper extension string to parameter -i is required. For example, find /path/to/files -type f -exec sed -i "" "s/oldstring/new string/g" {} \; Anyway, providing empty string still creates a backup file unlike described in manual...
– ...
What exactly does @synthesize do?
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In your example, mapView1 is an instance variable (ivar), a piece of memory storage that belongs to an instance of the class defined in example.h and example.m. mapView is the name of a property. Properties are attributes of an object that can be read or set using the dot notation: myObject.ma...
Best way to give a variable a default value (simulate Perl ||, ||= )
.... It is called the Null coalescing operator. You can use it like this:
$name = $_GET['name'] ?? 'john doe';
This is equivalent to
$name = isset($_GET['name']) ? $_GET['name']:'john doe';
share
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Exec : display stdout “live”
...nts (spawn.stdout.on('data',callback..)) as they happen.
From NodeJS documentation:
var spawn = require('child_process').spawn,
ls = spawn('ls', ['-lh', '/usr']);
ls.stdout.on('data', function (data) {
console.log('stdout: ' + data.toString());
});
ls.stderr.on('data', function (data...