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How does Python 2 compare string and int? Why do lists compare as greater than numbers, and tuples g
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209
From the python 2 manual:
CPython implementation detail: Objects of different types except ...
Pandas: create two new columns in a dataframe with values calculated from a pre-existing column
... and I want to add two new columns to a dataframe df with n columns (n > 0).
These new columns result from the application of a function to one of the columns in the dataframe.
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JavaScript: empty array, [ ] evaluates to true in conditional structures. Why is this?
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109
From http://www.sitepoint.com/javascript-truthy-falsy/
The following values are always falsy:
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IntelliJ gives Fatal Error: Unable to find package java.lang in classpath or bootclasspath
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answered Jun 15 '10 at 22:32
BrigBrig
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How to center canvas in html5
... canvas center according to the size of the browser window. The canvas is 800x600.
And if the window gets below 800x600, it should resize as well(but that's not very important at the moment)
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Longest line in a file
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Using wc (GNU coreutils) 7.4:
wc -L filename
gives:
101 filename
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How can I display just a portion of an image in HTML/CSS?
Let's say I want a way to display just the the center 50x50px of an image that's 250x250px in HTML. How can I do that. Also, is there a way to do this for css:url() references?
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What is the significance of load factor in HashMap?
...ize and load factor . I went through the Java documentation and it says 0.75f is the initial load factor. But I can't find the actual use of it.
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What is the “main file” property when doing bower init?
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60
According to the Bower.io documentation
main
Recommended Type: String or Array of ...
How to print to console in pytest?
... that particular test.
For example,
def test_good():
for i in range(1000):
print(i)
def test_bad():
print('this should fail!')
assert False
Results in the following output:
>>> py.test tmp.py
============================= test session starts =======================...