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Why should text files end with a newline?
I assume everyone here is familiar with the adage that all text files should end with a newline. I've known of this "rule" for years but I've always wondered — why?
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How can I get query string values in JavaScript?
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For a querystring of ?mykey=0&m.+key=1, calling getParameterByName("m.+key") would return 0 instead of 1. You need to escape the regular expression metacharacters in name before building your regular expression. And you only need to call .replace() once by using t...
shared_ptr指针被赋值后,原指针会引用清零、自动释放。 - C/C++ - 清泛IT...
...会引用清零、自动释放。
std::shared_ptr<int> intg;
void foo(std::shared_ptr<int> p)
{
intg = p; // 原指针释放,存储新的智能指针
//*(intg.get()) = *(p.get()); // ...
How to compare arrays in JavaScript?
I'd like to compare two arrays... ideally, efficiently. Nothing fancy, just true if they are identical, and false if not. Not surprisingly, the comparison operator doesn't seem to work.
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How do I specify a single test in a file with nosetests?
I have a file called test_web.py containing a class TestWeb and many methods named like test_something().
6 Answers
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Elastic Search: how to see the indexed data
...lore your ElasticSearch cluster is to use elasticsearch-head.
You can install it by doing:
cd elasticsearch/
./bin/plugin -install mobz/elasticsearch-head
Then (assuming ElasticSearch is already running on your local machine), open a browser window to:
http://localhost:9200/_plugin/head/
Alte...
NoSql Crash Course/Tutorial [closed]
... system that would use it or how I would implement it in my system. I'm really stuck in a relational-db mindset thinking of things in terms of tables and joins...
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Add an element to an array in Swift
...red Jun 2 '14 at 20:33
Mick MacCallumMick MacCallum
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How to use transactions with dapper.net?
...icitly roll back on error or does System.Transactions handle that automatically?
– Norbert Norbertson
Oct 3 '17 at 12:30
6
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How to use a variable inside a regular expression?
...wise we must write "\\\\boundary" in the regex (four backslashes). Additionally, without '\r', \b' would not converted to a word boundary anymore but to a backspace!
re.escape:
Basically puts a backspace in front of any special character. Hence, if you expect a special character in TEXTO, you need...
