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“Prevent saving changes that require the table to be re-created” negative effects

...new column Change the Allow Nulls setting for a column Change the column order in the table Change the column data type Using ALTER is safer, as in case the metadata is lost while you re-create the table, your data will be lost. ...
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What do all of Scala's symbolic operators mean?

... Every Scala code has three automatic imports: // Not necessarily in this order import _root_.java.lang._ // _root_ denotes an absolute path import _root_.scala._ import _root_.scala.Predef._ The first two only make classes and singleton objects available. The third one contains all implicit...
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How does Facebook disable the browser's integrated Developer Tools?

...n a user actually presses enter to evaluate an expression. //In order to return anything as normal evaluation output, you have to return a wrapped object. //In this case, we want to return the generated remote object. //Since this is already a wrapped object it wou...
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Deep copy of a dict in python

... Highly active question. Earn 10 reputation in order to answer this question. The reputation requirement helps protect this question from spam and non-answer activity. ...
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How to extract the decision rules from scikit-learn decision-tree?

... @Daniele, do you know how the classes are ordered? I would guess alphanumeric, but I haven't found confirmation anywhere. – IanS Sep 4 '15 at 8:27 ...
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How do I capture the output into a variable from an external process in PowerShell?

... you capture the output, it is properly interleaved, using the same output order you would get without 2>&1; in other words: when outputting to the console, the captured output does NOT reflect the order in which stdout and stderr lines were generated by the external command. If you capture ...
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What Does 'Then' Really Mean in CasperJS

... Isn't the so called 'stack' actually a queue? The steps are executed in order, had it been a stack wouldn't we expect step 3, step 2, step 1? – Reut Sharabani Oct 20 '13 at 16:09 ...
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How to declare an array in Python?

...*The default built-in Python type is called a list, not an array. It is an ordered container of arbitrary length that can hold a heterogenous collection of objects (their types do not matter and can be freely mixed). This should not be confused with the array module, which offers a type closer to th...
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Loading and parsing a JSON file with multiple JSON objects

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Using Node.js only vs. using Node.js with Apache/Nginx

...n server to serve static files as so many (every?) competing technologies (PHP, Ruby, Python, etc) require a web server like HTTPD or Nginx in front of the application server(s). Every objective reason I have ever read against serving static files with Node revolves around the idea of using what yo...