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Plotting two variables as lines using ggplot2 on the same graph
...es, 2)))
In this case producing stacked was quite easy as we only had to do a couple of manipulations, but reshape() and the reshape and reshape2 might be useful if you have a more complex real data set to manipulate.
Once the data are in this stacked form, it only requires a simple ggplot() call...
Rails 4: assets not loading in production
...ication server (puma, unicorn) serve Rails code and template. In order to do so, you should turn off config.serve_static_files, and configure alias in Apache and nginx to deal with assets.
– Châu Hồng Lĩnh
Jun 5 '16 at 2:16
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What is the yield keyword used for in C#?
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The yield keyword actually does quite a lot here.
The function returns an object that implements the IEnumerable<object> interface. If a calling function starts foreaching over this object, the function is called again until it "yields". This is...
How to keep up with the latest versions of Node.js in Ubuntu? PPA? Compiling?
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there's also n that downloads compiled versions
– jxs
Sep 10 '13 at 12:49
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How to display nodejs raw Buffer data as Hex string
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do u know how to do the reverse?
– bubakazouba
Dec 21 '15 at 23:17
20
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Can “using” with more than one resource cause a resource leak?
C# lets me do the following (example from MSDN):
5 Answers
5
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Hiding a password in a python script (insecure obfuscation only)
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Base64 encoding is in the standard library and will do to stop shoulder surfers:
>>> import base64
>>> print(base64.b64encode("password".encode("utf-8")))
cGFzc3dvcmQ=
>>> print(base64.b64decode("cGFzc3dvcmQ=").decode("utf-8"))
password
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Unioning two tables with different number of columns
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@Hans: You can do something like isnull(ColumnName, 0) as ColumnName or isnull(ColumnName, '-') as ColumnName or something similar.
– Kangkan
Jan 16 '14 at 12:04
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Is a Python list guaranteed to have its elements stay in the order they are inserted in?
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This is the right answer so I don't want to add another. He could also use list.append to really put his mind at ease. docs.python.org/2/tutorial/datastructures.html
– NG.
Dec 4 '12 at 0:15
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Is it safe to remove selected keys from map within a range loop?
...(Empty is a constant for the value 0)
What the map appears to actually be doing is allocating a set number of buckets depending on the size of the map, which grows as you perform inserts at the rate of 2^B (from this source code):
byte *buckets; // array of 2^B Buckets. may be nil if count=...