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Does Python have a package/module management system?
...ood news! Python 3.4 ships with Pip. Pip has long been Python's de-facto standard package manager. You can install a package like this:
pip install httpie
Wahey! This is the best feature of any Python release. It makes the community's wealth of libraries accessible to everyone. Newbies are no lon...
Find the closest ancestor element that has a specific class
... Still not supported in the current versions of Internet Explorer, Edge and Opera Mini.
– kleinfreund
Nov 12 '15 at 16:55
1
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android on Text Change Listener
I have a situation, where there are two fields. field1 and field2 . All I want
to do is empty field2 when field1 is changed and vice versa. So at the end only
one field has content on it.
...
Are duplicate keys allowed in the definition of binary search trees?
I'm trying to find the definition of a binary search tree and I keep finding different definitions everywhere.
12 Answers
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Method call if not null in C#
...ke();
or:
obj?.SomeMethod();
The ?. is the null-propagating operator, and will cause the .Invoke() to be short-circuited when the operand is null. The operand is only accessed once, so there is no risk of the "value changes between check and invoke" problem.
===
Prior to C# 6, no: there is no...
Otherwise on StateProvider
...You can't use only $stateProvider.
You need to inject $urlRouterProvider and create a code similar to:
$urlRouterProvider.otherwise('/otherwise');
The /otherwise url must be defined on a state as usual:
$stateProvider
.state("otherwise", { url : '/otherwise'...})
See this link where ksp...
Missing styles. Is the correct theme chosen for this layout?
...
For Android Studio (or IntelliJ IDEA),
If everything looks OK in your project and you're still receiving the error in your layouts, try to 'Invalidate caches & restart'.
Enjoy a coffee while Android Studio is recreating ca...
jquery input select all on focus
I'm using this code to try and select all of the text in the field when a user focuses on the field. What happens is, it selects all for a second, then its unselected and the typing cursor is left where I clicked...
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How to find day of week in php in a specific timezone
I am confused while using php to handle date/time.
12 Answers
12
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curl POST format for CURLOPT_POSTFIELDS
When I use curl via POST and set CURLOPT_POSTFIELD do I have to urlencode or any special format?
10 Answers
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