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How do I read the first line of a file using cat?
... IFS prevents leading and trailing whitespace from being stripped from the string that's read.
– Charles Duffy
May 24 '18 at 15:39
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What does “S3 methods” mean in R?
... in C++. You can specify that an object of a certain class is made up of a string and two numbers for example:
setClass("myClass", representation(label = "character", x = "numeric", y = "numeric"))
Methods that are called with an object of that class can rely on the object having those members. T...
HTML5 LocalStorage: Checking if a key exists [duplicate]
... {
//
}
Another way, relevant when value is not expected to be empty string, null or any other falsy value:
if (localStorage["username"]) {
//
}
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Valid values for android:fontFamily and what they map to?
...not list this information in any place (I checked here , and here ). The strings are listed in the Android styles.xml file in various places, but how do these map back to the Roboto font?
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What's the best way to parse a JSON response from the requests library?
...sts.get(...)
json_data = json.loads(response.text)
This converts a given string into a dictionary which allows you to access your JSON data easily within your code.
Or you can use @Martijn's helpful suggestion, and the higher voted answer, response.json().
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How to get Activity's content view?
...ew viewPager = findViewById(R.id.pager);
Log.d(getClass().getSimpleName(), String.valueOf(viewPager.getTag()));
Hope it works f
How to get root view controller?
...inPageViewController") as! MainPageViewController
let dataToSend = "**Any String**" or var ObjectToSend:**AnyObject**
mainPage.getData = dataToSend
var mainPageNav = UINavigationController(rootViewController: mainPage)
self.present(mainPageNav, animated: true, completion: nil)
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How to add a separator to a WinForms ContextMenu?
...ch receives an array of MenuItem objects. Needless to say, you can't add a string to that array. You can however get a seperator by adding a new MenuItem("-"):
var contextMenu = new ContextMenu(new[]
{
timerMenuItem,
keypressMenuItem,
new MenuItem("-"), // Seperator
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Which version of CodeIgniter am I currently using?
...p file and you can see the constant
/**
* CodeIgniter Version
*
* @var string
*
*/
const CI_VERSION = '3.1.6';
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Skip the headers when editing a csv file using Python
...ed changing it to for row in next(reader): but it is giving me IndexError: string index out of range error
– user1915050
Jan 10 '13 at 12:09
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