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Best way to give a variable a default value (simulate Perl ||, ||= )
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In PHP 7 we finally have a way to do this elegantly. 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'...
Alphabet range in Python
...gt;>> string.ascii_lowercase
'abcdefghijklmnopqrstuvwxyz'
If you really need a list:
>>> list(string.ascii_lowercase)
['a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o', 'p', 'q', 'r', 's', 't', 'u', 'v', 'w', 'x', 'y', 'z']
And to do it with range
>&g...
How to show android checkbox at right side?
...ayout class you've chosen, and add this logic by yourself. You can go over all of the child views and toggling their state. You can use those links to help you out: developer.android.com/samples/CustomChoiceList/src/… , antoine-merle.com/blog/2013/07/17/… . add a clickListener, and toggle the ch...
BCL (Base Class Library) vs FCL (Framework Class Library)
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The Base Class Library (BCL) is literally that, the base. It contains basic, fundamental types like System.String and System.DateTime.
The Framework Class Library (FCL) is the wider library that contains the totality: ASP.NET, WinForms, the XML stack, ADO.NET ...
Null coalescing in powershell
...t the Powershell versions involving functions/aliases will always evaluate all arguments. If this is a problem, use the if expression form.
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How do I check/uncheck all checkboxes with a button using jQuery?
I am trying to check/uncheck all checkboxes using jQuery. Now by checking/unchecking the parent checkbox all the child checkboxes are getting selected/deselected also with the text of parent checkbox getting changed to checkall/uncheckall.
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How to go about formatting 1200 to 1.2k in java
...ng, String> suffixes = new TreeMap<> ();
static {
suffixes.put(1_000L, "k");
suffixes.put(1_000_000L, "M");
suffixes.put(1_000_000_000L, "G");
suffixes.put(1_000_000_000_000L, "T");
suffixes.put(1_000_000_000_000_000L, "P");
suffixes.put(1_000_000_000_000_000_000L, "E");
}
publ...
Targeting only Firefox with CSS
...more on "using selector hacks" and on how the example you provided specifically works? Thanks.
– jj_
Nov 30 '14 at 11:15
1
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How to disable scrolling temporarily?
...e scrolling is that when you scroll while scrollTo is animating, it gets really ugly ;)
35 Answers
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jQuery UI accordion that keeps multiple sections open?
...ow do you keep multiple sections in jQuery UI's accordion open? The demos all have only one open at a time... I'm looking for a collapseable menu type system.
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