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Selecting/excluding sets of columns in pandas [duplicate]
I would like to create views or dataframes from an existing dataframe based on column selections.
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Ruby equivalent of virtualenv?
Is there something similar to the Python utility virtualenv ?
8 Answers
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SQL query to group by day
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@Sinaesthetic that depends on the requirements.
– Anwar Chandra
Apr 21 '17 at 8:13
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How to compare DateTime in C#?
I don't want user to give the back date or time.
9 Answers
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What's the opposite of head? I want all but the first N lines of a file
...r example all but the first 2 lines of the file? I know tail will give me the last N lines, but I don't know what N is ahead of time.
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How do I make HttpURLConnection use a proxy?
...5 you can also pass a java.net.Proxy instance to the openConnection(proxy) method:
//Proxy instance, proxy ip = 10.0.0.1 with port 8080
Proxy proxy = new Proxy(Proxy.Type.HTTP, new InetSocketAddress("10.0.0.1", 8080));
conn = new URL(urlString).openConnection(proxy);
If your proxy requires authen...
How connect Postgres to localhost server using pgAdmin on Ubuntu?
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Where do I find some good examples for DDD? [closed]
I'm learning about Domain Driven Design, however there are some practical issues that are confusing to me that I think seeing some good samples might clear up.
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What is the difference between Integrated Security = True and Integrated Security = SSPI?
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According to Microsoft they are the same thing.
When false, User ID and Password are specified in the connection. When true, the current Windows account credentials are used for authentication.
Recognized values are true, false, yes, no, and sspi (strongly ...
Adjust list style image position?
...t item.
Using a combination of background and padding styles can create something that looks similar e.g.
li {
background: url(images/bullet.gif) no-repeat left top; /* <-- change `left` & `top` too for extra control */
padding: 3px 0px 3px 10px;
/* reset styles (optional): */
list-...