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How to access command line parameters?
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You can access the command line arguments by using the std::env::args or std::env::args_os functions. Both functions return an iterator over the arguments. The former iterates over Strings (that are easy to work with) but panics if one of the arguments is not valid u...
What is tail call optimization?
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It should be noted that support for TCO by the browsers is not guaranteed, and may never be supported. stackoverflow.com/a/42788286/2415524
– mbomb007
Nov 16 '17 at 17:52
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List of remotes for a Git repository?
... -v for "verbose" is actually the more common option. It's also supported by git branch. The basic difference is short vs long options (single vs double dash, essentially) That said, supporting --list with the remote subcommand would make sense. If you really want it, I'd say submit a feature re...
How do I keep track of pip-installed packages in an Anaconda (Conda) environment?
...tomatically (if pip was installed with conda).
You can see how this works by using the export tool used for migrating an environment:
conda env export -n <env-name> > environment.yml
The file will list both conda packages and pip packages:
name: stats
channels:
- javascript
dependenc...
Rails 3.1: Engine vs. Mountable App
...parent application.
Mountable Engine
The engine's namespace is isolated by default:
# my_engine/lib/my_engine/engine.rb
module MyEngine
class Engine < Rails::Engine
isolate_namespace MyEngine
end
end
With a mountable engine, the routes are namespaced and the parent app can bundl...
Spring Boot Remove Whitelabel Error Page
...rAttributes.getErrorAttributes(requestAttributes, includeStackTrace); } By : private Map<String, Object> getErrorAttributes(HttpServletRequest request, boolean includeStackTrace) { WebRequest webRequest = new ServletWebRequest(request); return this.errorAttributes.getErrorAttributes(...
Recursive sub folder search and return files in a list python
...atest downvote, it occurred to me that glob is a better tool for selecting by extension.
import os
from glob import glob
result = [y for x in os.walk(PATH) for y in glob(os.path.join(x[0], '*.txt'))]
Also a generator version
from itertools import chain
result = (chain.from_iterable(glob(os.path....
WCF Error - Could not find default endpoint element that references contract 'UserService.UserServic
...g this contract could be found in the client element.
As has been stated by "Sprite" in this thread, you need to manually copy the tag.
For WPF apps, this means copying the tag from the app.config in my DAL solution to the app.config in the main WPF Application solution.
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What is the best way to get the count/length/size of an iterator?
...? @Andrejs List<Tuple2<String, Integer>> wordCountsWithGroupByKey = wordsPairRdd.groupByKey() .mapValues(intIterable -> Iterables.size(intIterable)).collect(); System.out.println("wordCountsWithGroupByKey: " + wordCountsWithGroupByKey); " Iterables.size(i...
How does Stack Overflow generate its SEO-friendly URLs?
.../// hand-tuned for speed, reflects performance refactoring contributed
/// by John Gietzen (user otac0n)
/// </summary>
public static string URLFriendly(string title)
{
if (title == null) return "";
const int maxlen = 80;
int len = title.Length;
bool prevdash = false;
var...