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Way to read first few lines for pandas dataframe
Is there a built-in way to use read_csv to read only the first n lines of a file without knowing the length of the lines ahead of time? I have a large file that takes a long time to read, and occasionally only want to use the first, say, 20 lines to get a sample of it (and prefer not to load the...
How to add new line into txt file
... my date.txt file, but instead of adding it into existing date.txt, app is creating new date.txt file..
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How to get JSON objects value if its name contains dots?
I have a very simple JSON array (please focus on "points.bean.pointsBase" object):
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What does the > (greater than bracket) mean beside file names in Eclipse's Package Explorer?
I'm setting up a new dev machine with Eclipse 3.7 Indigo. After pulling a my code down from SVN, the source tree in the Package Explorer is intermittently littered with a > to the left of the file name The parent package names have them too. (Note that this is an AspectJ project, but I don't thi...
R apply function with multiple parameters
I have a function f(var1, var2) in R. Suppose we set var2 = 1 and now I want to apply the function f() to the list L . Basically I want to get a new list L* with the outputs
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How does inheritance work for Attributes?
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Android imageview not respecting maxWidth?
...o, I have an imageview that should display an arbitrary image, a profile picture downloaded from the internet. I want this the ImageView to scale its image to fit inside the height of the parent container, and a set max width of 60dip. However, if the image is tall ratio-wise, and doesn't need the f...
Do I need to store the salt with bcrypt?
bCrypt's javadoc has this code for how to encrypt a password:
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Not class selector in jQuery
Is there a simple selector expression to not select elements with a specific class?
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