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pandas read_csv and filter columns with usecols
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The answer by @chip completely misses the point of two keyword arguments.
names is only necessary when there is no header and you want to specify other arguments using column names rather than integer indices.
usecols is supposed to p...
How to find the last day of the month from date?
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I will be 71 and retired by then, so not a problem for me! j/k But seriously folks -- heed this warning!
– Volomike
Nov 2 '12 at 3:44
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Use rvmrc or ruby-version file to set a project gemset with RVM?
I use RVM, the Ruby Version Manager to specify a Ruby version and a set of gems for each of my Rails projects.
5 Answers
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Why isn't textarea an input[type=“textarea”]?
...ld be a different type not tag. There are different types of input denoted by different values of type attribute of input tag and they all share one and the same input tag. So no, this quote is not an answer to this question.
– Piotr Dobrogost
Dec 10 '15 at 15:...
Maximum concurrent Socket.IO connections
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This is a good clean answer.. Also correct as it is case by case.. Personally i suggest ppl write their own benchmarks or connection simulator. While a test for someone else might be good, it does not represent the real world environment... Once you have a client simulator capable ...
Convert HH:MM:SS string to seconds only in javascript
...ode. Use parseInt(x, 10) instead. And avoid one-liner. Also prevent errors by undefined input. For example: it's not a string, has no ":" or only "HH:MM". etc.
– Dominik
Sep 26 '17 at 14:09
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How do I interpret precision and scale of a number in a database?
...50 (p=6,s=0) => out of range
Note that the range is generally defined by the precision: |value| < 10^p ...
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CMake: Project structure with unit tests
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It's automatically set by CMake when calling project (TEST) - see cmake.org/cmake/help/v3.6/variable/PROJECT-NAME_SOURCE_DIR.html
– Fraser
Jul 22 '16 at 14:08
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No Activity found to handle Intent : android.intent.action.VIEW
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Url addresses must be preceded by http://
Uri uri = Uri.parse("www.google.com");
Intent intent = new Intent(Intent.ACTION_VIEW, uri);
throws an ActivityNotFoundException. If you prepend "http://", problem solved.
Uri uri = Uri.parse("http://www.google....
What is the difference between a web API and a web service?
...only supports the HTTP protocol.
3) It is not open source but can be used by any client that understands XML.
5) It requires a SOAP protocol to receive and send data over the network, so it is not a light-weight architecture.
Web API:
1) A Web API is an HTTP based service and returns JSON or XML...