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Why does Python code use len() function instead of a length method?
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len, str, etc. can be used with higher-order functions like map, reduce, and filter without the need to define a function or lambda just to call a method. Not everything revolves around OOP, even in Python.
– Evicatos
Nov 7 '...
Add a column to existing table and uniquely number them on MS SQL Server
...be of type IDENTITY (auto-increment), or you want to be specific about the order in which your rows are numbered, you can add a column of type INT NULL and then populate it like this. In my example, the new column is called MyNewColumn and the existing primary key column for the table is called MyP...
Getting “NoSuchMethodError: org.hamcrest.Matcher.describeMismatch” when running test in IntelliJ 10.
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Make sure the hamcrest jar is higher on the import order than your JUnit jar.
JUnit comes with its own org.hamcrest.Matcher class that is probably being used instead.
You can also download and use the junit-dep-4.10.jar instead which is JUnit without the hamcrest classes.
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How can I position my div at the bottom of its container?
...ement seeks it's closest parent that is absolute or relatively position in order to determine it's position. If all fails it resorts to body (window). So hence the need for the parent to be relative.
– user17753
Jun 13 '12 at 18:46
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How to set the current working directory? [duplicate]
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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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IntelliJ Organize Imports
...mport" as described by Dave.
You can also modify how the imports are auto-ordered under "Settings → Editor → Code Style → Java → Imports"
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What is Python used for? [closed]
...obmon: Python dynamic, interpreted nature allows for faster prototyping an order of magnitude above C. So, the answer is, Python is less verbose and development cycles are many times faster compared to C.
– Paulo Scardine
Jul 15 '13 at 20:32
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Restoring state of TextView after screen rotation?
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In order to retain data on orientation change you need to implement the two methods:
@Override
protected void onRestoreInstanceState(Bundle savedInstanceState) {
super.onRestoreInstanceState(savedInstanceState);
// Read...
Is using Random and OrderBy a good shuffle algorithm?
...basically giving a random (hopefully unique!) number to each element, then ordering the elements according to that number.
I prefer Durstenfield's variant of the Fisher-Yates shuffle which swaps elements.
Implementing a simple Shuffle extension method would basically consist of calling ToList or T...
What do I need to read to understand how git works? [closed]
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For me, the following three resources were very, very helpful, in this order:
The Thing About Git explained why I should even care
Git Magic explained how to get started
Git The Basics [pdf] explained - graphically, and in detail - what happens when I add, remove, merge, etc.
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