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Serializing class instance to JSON
...here: https://docs.python.org/3.3/library/json.html#encoders-and-decoders
One good solution would be to make your class inherit from JSONEncoder and then implement the JSONEncoder.default() function, and make that function emit the correct JSON for your class.
A simple solution would be to call js...
How to compare two colors for similarity/difference
...esign a program that can help me assess between 5 pre-defined colors which one is more similar to a variable color, and with what percentage. The thing is that I don't know how to do that manually step by step. So it is even more difficult to think of a program.
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When and why are database joins expensive?
...d water.
Chris Date, who in company with Dr Ted Codd was the original proponent of the relational data model, ran out of patience with misinformed arguments against normalisation and systematically demolished them using scientific method: he got large databases and tested these assertions.
I thin...
PhantomJS failing to open HTTPS site
...nore-ssl-errors=true will ignore (duh) all ssl errors, including malicious ones.
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Getting value of select (dropdown) before change
... this solution. If you change the value once it will work but if you do it one more time it won't. You have to click somewhere to loose focus and another click on the dropdown. I suggest: $("#dropdownId").on('change', function () { var ddl = $(this); var previous = ddl.data...
How to read a text file into a string variable and strip newlines?
... replace('\n','') removes it everywhere (essentially making the whole file one line)
– sleeplessnerd
Jul 6 '14 at 8:00
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Design Patterns: Abstract Factory vs Factory Method
...d to be changed only the Simple Factory Class)
Factory Method
Contains one method to produce one type of product related to its type. (It is better than a Simple Factory because the type is deferred to a sub-class.)
Abstract Factory
Produces a Family of Types that are related. It is noticeab...
How do I add options to a DropDownList using jQuery?
...('#mySelect').append(_select.html());
This way we'll modify DOM for only one time!
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Multiple lines of text in UILabel
...s of text in UILabel like in the UITextView or should I use the second one instead?
25 Answers
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Adaptive segue in storyboard Xcode 6. Is push deprecated?
... Interface Builder’ session here. If you look at the slides you will see one slide (41) mention the change. When watching that session video you can skip to minute 38:00 where they start talking about adaptive segues. They do explain that the ‘show’ adaptive segue, for example, takes the conte...