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Use different Python version with virtualenv
...on-config will be invoked with confusing consequences. See this bug report from 2011 github.com/pypa/virtualenv/issues/169 and my question stackoverflow.com/questions/42020937/…
– Laryx Decidua
Feb 23 '18 at 11:16
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What is the AppDelegate for and how do I know when to use it?
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@Shivam, thanks.
From what I understand of appDelegate, is close to what an Application is in Android. The viewDidLoad, viewDidDisappear is comparable to what Android's Lifecycle. Every application has a life cycle, from launching to interrup...
Add a default value to a column through a migration
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Besides that, you need to specify a from: and to: if you want it to be reversible :)
– radubogdan
Mar 27 '17 at 11:34
5
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How to create an alias for a command in Vim?
... getcmdline() is# 'W')?('w'):('W'))
As a function:
fun! SetupCommandAlias(from, to)
exec 'cnoreabbrev <expr> '.a:from
\ .' ((getcmdtype() is# ":" && getcmdline() is# "'.a:from.'")'
\ .'? ("'.a:to.'") : ("'.a:from.'"))'
endfun
call SetupCommandAlias("W","w")
This che...
Change text color based on brightness of the covered background area?
... the element's (or ancestor's) background color, you can use this function from the article to determine a suitable foreground color:
function getContrastYIQ(hexcolor){
hexcolor = hexcolor.replace("#", "");
var r = parseInt(hexcolor.substr(0,2),16);
var g = parseInt(hexcolor.substr(2,2)...
How do you get the Git repository's name in some Git repository?
...a lot of information about original remote that you cloned your repository from, and it will contain original clone URL.
If, however, you removed link to original remote using git remote rm origin, or if you created that repository using git init, such information is simply impossible to obtain - i...
What are the big improvements between guava and apache equivalent libraries?
...pache collections, string utils, etc. I need to decide if we should switch from the apache foundations implementation.
3 An...
What's the difference between ContentControl and ContentPresenter?
...o be used as-is while ContentControl is designed to be extended (inherited from)
– Nir
Jul 22 '11 at 21:26
25
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How to resolve “must be an instance of string, string given” prior to PHP 7?
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From PHP's manual :
Type Hints can only be of the object and array (since PHP 5.1) type. Traditional type hinting with int and string isn't supported.
So you have it. The error message is not really helpful, I give you ...
Presenting a UIAlertController properly on an iPad using iOS 8
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You can present a UIAlertController from a popover by using UIPopoverPresentationController.
In Obj-C:
UIViewController *self; // code assumes you're in a view controller
UIButton *button; // the button you want to show the popup sheet from
UIAlertController...