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Delete the first three rows of a dataframe in pandas
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df.drop(df.index[[0,2]])
Pandas uses zero based numbering, so 0 is the first row, 1 is the second row and 2 is the third row.
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Can I run multiple programs in a Docker container?
...on desktop. My application is simply a flask web application and mongo database. Normally I would install both in a VM and, forward a host port to the guest web app. I'd like to give Docker a try but I'm not sure how I'm meant to use more than one program. The documentations says there can only be o...
Archive the artifacts in Jenkins
...wo more options will appear related to keeping build artifacts for the job based on number of days or builds.
The settings that work for me are to enter 1 for "Max # of builds to keep with artifacts" and then to have a post-build action to archive the artifacts. This way, all artifacts from all bui...
Webfonts or Locally loaded fonts?
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font-family: "Font Name";
src: url(data:application/x-font-woff;base64,d09GRk9UVE8AACSCAA0AAAAARKwAAQAAAAAiVAAAAi4AAAadAAAAAAAAAABDRkYgAAAIyAAAFCgAABmIK5m+CkdERUYAABzwAAAAHQAAACAAXQAER1BPUwAAHRAAAAQlAAAYAq+OkMNHU1VC ... );
font-weight:400; font-style:normal;
}
Here are my specs:
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How do you synchronise projects to GitHub with Android Studio?
...wing method is a generic way of pushing an Android Studio project to a GIT based repository solely using GUI.This has been tested with a GIT repository hosted in Visual Studio Online and should virtually work with GitHub or any other GIT based version control provider.
Note: If you are using GitHub...
What does auto&& tell us?
...orks perfectly! An example of using auto&& like this is in a range-based for loop. See my other question for more details.
If you then use std::forward on your auto&& reference to preserve the fact that it was originally either an lvalue or an rvalue, your code says: Now that I've g...
How to implement common bash idioms in Python? [closed]
...workarounds implanted in the OS. The novelty of microtools (awk, sed, top, base, etc) wore off the day everybody decided to roll their own version. I cringe when I imagine the amount of man-hours wasted on crappy little tools that could easy be replaced by a couple well designed Python modules. ::si...
Removing all empty elements from a hash / YAML?
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end
hash_or_array.delete_if(&p)
end
end
end
P.S. based on someones answer, cant find
usage - Helpers::RecursiveCompact.recursive_compact(something)
How do I parse a string into a number with Dart?
...int.parse() accepts 0x prefixed strings. Otherwise the input is treated as base-10.
You can parse a string into a double with double.parse(). For example:
var myDouble = double.parse('123.45');
assert(myDouble is double);
print(myDouble); // 123.45
parse() will throw FormatException if it cannot...
如何选择机器学习算法 - 大数据 & AI - 清泛网移动版 - 专注IT技能提升
... work well even if you’re data isn’t linearly separable in the base feature space. Especially popular in text classification problems where very high-dimensional spaces are the norm. Memory-intensive, hard to interpret, and kind of annoying to run and tune, though, so I think random fore...