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Remap values in pandas column with a dict
...ertainly not the most elegant, but this answer deserves some credit. It is orders of magnitude faster for large dictionaries and doesn't use up all of my RAM. It remapped a 10,000 line file using a dictionary that had about 9 million entries in half a minute. The df.replace function, while tidy and ...
How to open the Chrome Developer Tools in a new window?
...lick and hold the button next to the close button of the Developer Tool in order to reveal the "Undock into separate window" option.
Note: A "press" is not enough in that state.
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How to set cookie in node js using express framework?
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The order in which you use middleware in Express matters: middleware declared earlier will get called first, and if it can handle a request, any middleware declared later will not get called.
If express.static is handling the re...
jQuery pass more parameters into callback
...y input").bind("keypress change", function() {
$.ajax({
url: "/order_items/change/"+$(this).attr("data-order-item-id")+"/qty:"+$(this).val()+"/returnas.json",
type: "POST",
dataType: "json",
qty_input: $(this),
anything_else_i_want_to_pass_in: "foo",
...
What Process is using all of my disk IO
...ent sort column
< and > = change sort column
R = reverse sort order
Chose 'S', the process status column. Reverse the sort order so the 'R' (running) processes are shown on top. If you can spot 'D' processes (waiting for disk), you have an indicator what your culprit might be.
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Scala 2.8 breakOut
...t" come from (what am I breaking out of)? Why is it needed in this case in order to get a Map out? Surely is there is some way to briefly answer these questions? (even if the lengthy type-groveling remains necessary in order to grasp every detail)
– Seth Tisue
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What does it mean when a CSS rule is grayed out in Chrome's element inspector?
...erties from rules that are directly applicable to the selected element. In order to additionally display inherited properties, enable the Show inherited checkbox. Such properties will be displayed in a dimmed font.
Live example: inspect the element containing the text "Hello, world!"
div { ...
Save classifier to disk in scikit-learn
...ng locked into an old version of sklearn).
From the documentation:
In order to rebuild a similar model with future versions of
scikit-learn, additional metadata should be saved along the pickled
model:
The training data, e.g. a reference to a immutable snapshot
The python source...
How to install both Python 2.x and Python 3.x in Windows
... be selected when you type python. Consecutive python programs (increasing order that their directories are placed in PATH) will be chosen like so:
py -2 for the second python
py -3 for the third python etc..
No matter the order of "pythons" you can:
run Python 2.x scripts using the command...
How to use a dot “.” to access members of dictionary?
...ry simple answer, great! Do you happen to know what I would need to to in order to have tab-completion in IPython work? The class would need to implement __dir__(self), but somehow I cannot get it to work.
– andreas-h
Feb 19 '16 at 18:59
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