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In Rails, how do you render JSON using a view?
...s DSL.
Plain Ruby
Ruby is awesome at generating JSON and there's nothing new to learn as you can call to_json on a Hash or an AR object. Simply register the .rb extension for templates (in an initializer):
ActionView::Template.register_template_handler(:rb, :source.to_proc)
Then create the view...
How to sum all the values in a dictionary?
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Nice! I sought it up just because I knew there would be something like that. Not that it takes too much work to write a dead silly for loop though ;)
– runlevel0
Mar 23 '18 at 14:29
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Remove trailing zeros
... Thank you very much for the comments. I have updated the answer with a new version with the tips.
– x7BiT
Feb 29 at 21:44
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Object.getOwnPropertyNames vs Object.keys
...(i.e. Array.prototype.push('whatever')). But it seems to have no effect on newly created Array instances. stackoverflow.com/questions/48020958/…
– trollkotze
May 27 '18 at 7:59
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Set style for TextView programmatically
... style="@style/my_style" />
then inflate this to instantiate your new TextView:
TextView myText = (TextView)getLayoutInflater().inflate(R.layout.tvtemplate, null);
Hope this helps.
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string c_str() vs. data()
...d Oct 29 '13 at 11:10
Aaron McDaid
23.7k88 gold badges5555 silver badges7979 bronze badges
answered Oct 11 '08 at 21:01
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How to change the playing speed of videos in HTML5?
...l = function(e) {
var $elem = $('.new-login-left'),
docViewTop = $window.scrollTop(),
docViewBottom = docViewTop + $window.height(),
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postgresql - add boolean column to table set default
...l = function(e) {
var $elem = $('.new-login-left'),
docViewTop = $window.scrollTop(),
docViewBottom = docViewTop + $window.height(),
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Why don't Java Generics support primitive types?
...ompatibility with previous JVM runtimes.
This:
List<ClassA> list = new ArrayList<ClassA>();
list.add(new ClassA());
ClassA a = list.get(0);
gets turned into (roughly):
List list = new ArrayList();
list.add(new ClassA());
ClassA a = (ClassA)list.get(0);
So, anything that is used as...
How to create a bash script to check the SSH connection?
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ssh -q -o "BatchMode=yes" -i /home/sicmapp/.ssh/id_rsa <ID>@<Servername>.<domain> "echo 2>&1" && echo $host SSH_OK || echo $host SSH_NOK
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