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pretty-print JSON using JavaScript

... +100 Pretty-printing is implemented natively in JSON.stringify(). The third argument enables pretty printing and sets the spacing to use:...
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How can I merge two hashes without overwritten duplicate keys in Ruby?

...hash. Here's the pure Ruby solution without Rails: options = { "a" => 100, "b" => 200 } defaults = { "b" => 254, "c" => 300 } options.merge!(defaults.select{ |k,_| not options.has_key? k }) # output # => {"a"=>100, "b"=>200, "c"=>300} Or if the key is present, but cont...
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Object.watch() for all browsers?

...eturn true; } }; let person = new Proxy({}, validator); person.age = 100; console.log(person.age); // 100 person.age = 'young'; // Throws an exception person.age = 300; // Throws an exception Old answer from 2015 You could have used Object.observe() from ES7. Here's a polyfill. But Object.o...
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Animate scrollTop not working in firefox

...on would be to set the following styles: html { overflow: hidden; height: 100%; } body { overflow: auto; height: 100%; } I would assume that the JS solution would be least invasive. Update A lot of the discussion below focuses on the fact that animating the scrollTop of two elements would cau...
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How to save a PNG image server-side, from a base64 data string

... +100 Try this: file_put_contents('img.png', base64_decode($base64string)); file_put_contents docs ...
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unbound method f() must be called with fibo_ instance as first argument (got classobj instance inste

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Locking a file in Python

... +100 Alright, so I ended up going with the code I wrote here, on my website link is dead, view on archive.org (also available on GitHub)....
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Split a python list into other “sublists” i.e smaller lists [duplicate]

I have a python list which runs into 1000's. Something like: 3 Answers 3 ...
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Django-Admin: CharField as TextArea

...ription = forms.CharField( widget=forms.Textarea(attrs={'rows': 5, 'cols': 100})) class Meta: model = Book class BookAdmin(admin.ModelAdmin): form = BookForm admin.site.register(Book, BookAdmin) If you are using a MySQL DB, your column length will usually be autoset to 250 charac...
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How to handle multiple heterogeneous inputs with Logstash?

...aaa" in [tags] { elasticsearch { hosts => ["192.168.100.211:9200"] index => "aaa" document_type => "aaa-%{+YYYY.MM.dd}" } } if "bbb" in [tags] { elasticsearch { hosts => ["192.168.100.211:9200"] ...