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Why is exception handling bad?

...hose statements just randomly doesn't run, you end up in a world of pain. Now take away locks and concurrency, and think about each method like that. Think of each method as a transaction of permutations on object state, if you will. At the start of your method call, the object should be clean st...
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Using braces with dynamic variable names in PHP

...me in some cases. In PHP7, dynamic variables, properties, and methods will now be evaluated strictly in left-to-right order, as opposed to the mix of special cases in PHP5. The examples below show how the order of evaluation has changed. Case 1 : $$foo['bar']['baz'] PHP5 interpetation : ${$foo['bar...
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Update a dataframe in pandas while iterating row by row

... now set_value is also deprectated, and should use .at (or .iat), so my loop looks like this: for i, row in df.iterrows(): ifor_val = something if <condition>: ifor_val = something_else df.at[i,'ifor'] = ifor_...
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What is Unicode, UTF-8, UTF-16?

... by only two bytes, in a region called the Basic Multilingual Plane (BMP). Now a character encoding is needed to access this character set, and as the question asks, I will concentrate on UTF-8 and UTF-16. Memory considerations So how many bytes give access to what characters in these encodings? ...
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jQuery UI sliders on touch devices

... Now I can move the slider-handle all over the page!! This is ridiculous. – dezman May 24 '13 at 15:17 ...
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How do I specify local .gem files in my Gemfile?

... Super trick! here is small addition for that. How to verify that gems are now available locally: gem list -r --clear-sources -s file:/repo – Алексей Лещук Oct 9 '19 at 14:50 ...
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What specific productivity gains do Vim/Emacs provide over GUI text editors?

... I've been using Vim as my console-editor of choice for a couple months now (for editing configuration files while in my terminal), but I don't think I could stand it for my normal, every day work of writing web applications, which I do with a GUI text editor (which one isn't important). ...
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How to force a html5 form validation without submitting it via jQuery

... reportValidity now is supported by Firefox since version 49 – Justin Oct 18 '17 at 17:42 ...
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Remove all classes that begin with a certain string

...eral groups. Each group has a specific prefix. In the javascript, I don't know which class from the group is on the div. I want to be able to clear all classes with a given prefix and then add a new one. If I want to remove all of the classes that begin with "bg", how do I do that? Something like th...
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In Android, how do I set margins in dp programmatically?

...arams. If you use relative layout, import LinearLayout.LayoutParams , etc. Now, if you set the margin using Layout_marginLeft, Right, etc, you need to update margin in this way layoutParams.setMargins(left, top, right, bottom); If you set margin using the new layout_marginStart, you need to update ...