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Python - Count elements in list [duplicate]
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399
len()
>>> someList=[]
>>> print len(someList)
0
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Javascript: formatting a rounded number to N decimals
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edited Feb 8 '10 at 11:33
answered Feb 8 '10 at 11:27
Gu...
How can I use external JARs in an Android project?
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443
For Eclipse
A good way to add external JARs to your Android project or any Java project is:
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How do detect Android Tablets in general. Useragent?
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edited Jun 6 '19 at 3:55
Ouadie
11.6k44 gold badges4646 silver badges6060 bronze badges
answered M...
How do I consume the JSON POST data in an Express application
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response.send(request.body); // echo the result back
});
app.listen(3000);
Test along the lines of:
$ curl -d '{"MyKey":"My Value"}' -H "Content-Type: application/json" http://127.0.0.1:3000/
{"MyKey":"My Value"}
Updated for Express 4+
Body parser was split out into it's own npm packag...
How to turn on line numbers in IDLE?
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Version 3.8 or newer:
To show line numbers in the current window, go to Options and click Show Line Numbers.
To show them automatically, go to Options > Configure IDLE > General and check the Show line numbers in new windows bo...
Why does git perform fast-forward merges by default?
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edited May 23 '17 at 12:10
Community♦
111 silver badge
answered May 17 '10 at 15:31
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How can you use optional parameters in C#?
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23 Answers
23
Active
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How to toggle a value in Python
...simple and fast way to toggle values:
>>> A = 5
>>> B = 3
>>> total = A + B
>>> x = A
>>> x = total - x # toggle
>>> x
3
>>> x = total - x # toggle
>>> x
5
>>> x = total - x # toggle
>>> x
3
Solutio...