path

问题 I am trying to run the osmar package on my windows 10, R 3.4.2, and have correctly installed osmosis. However when I try to run the code: >library("osmar") > >src <- osmsource_osmosis(file = "c:/users/ben_c/Documents/FYP/FYP_NL_Map/muenchen.osm", osmosis = "osmosis") > > >nl_bbox <- center_bbox(11.575278, 48.137222, 3000, 3000) > >nl <- get_osm(nl_bbox, src) > >plot(nl) I get the warning, after osmosis has run: >Error in file(con, "r") : cannot open the connection >In addition: Warning

问题 I just need the file path. This is what I came with so far: index.html: <form enctype="multipart/form-data" action="{% url 'polls:search_for_match' %}" method="post"> {% csrf_token %} <label for="file_path"></label> <input type="file" class="form-control" id="file_path" name="file_path" > <button type="submit" class="btn btn-default" >Analyze!</button> </form> view.py def searchMatch(request): form_class = Query if request.method == 'POST': form = form_class(request.POST, request.FILES) *

问题 When I tried the instructions at https://arclanguage.github.io/, after I entered "racket -f as.scm" I got "-bash: racket: command not found". I also tried these instructions for downloading Arc on Linux: https://sites.google.com/site/arclanguagewiki/getting-started/install-arc I installed racket from download.racket-lang.org, and when I got to "./arc" in the Arc/Nu section, the output from the terminal was "env: racket: No such file or directory". The Arc Language Wiki (linked to above)

问题 I use C++ to process many files, and I have to write the file name in source code like this: "F:\\somepath\\subpath\\myfile" , I wonder that if there's any way to get rid of typing "\\" to get a character '\' in string literal context, i.e, I hope I can just write "F:\somepath\subpath\myfile" instead the boring one. 回答1: Solutions: use C++11 string literals: R"(F:\somepath\subpath\myfile)" Use boost::path with forward slashes: They will validate your path and raise exceptions for problems.

问题 I use C++ to process many files, and I have to write the file name in source code like this: "F:\\somepath\\subpath\\myfile" , I wonder that if there's any way to get rid of typing "\\" to get a character '\' in string literal context, i.e, I hope I can just write "F:\somepath\subpath\myfile" instead the boring one. 回答1: Solutions: use C++11 string literals: R"(F:\somepath\subpath\myfile)" Use boost::path with forward slashes: They will validate your path and raise exceptions for problems.

问题 I use C++ to process many files, and I have to write the file name in source code like this: "F:\\somepath\\subpath\\myfile" , I wonder that if there's any way to get rid of typing "\\" to get a character '\' in string literal context, i.e, I hope I can just write "F:\somepath\subpath\myfile" instead the boring one. 回答1: Solutions: use C++11 string literals: R"(F:\somepath\subpath\myfile)" Use boost::path with forward slashes: They will validate your path and raise exceptions for problems.

问题 # --------------------------------------------------------- # ScriptingGamesBeginnerEvent8_PS1.ps1 # ed wilson, msft 8/21/2009 # PS1 version of HSG-08-19-09 http://bit.ly/1d8Rww # # --------------------------------------------------------- Param( [string]$path = 'C:\', [int]$first = 50 )# end param # *** Function Here *** function Get-DirSize ($path){ BEGIN {} PROCESS{ $size = 0 $folders = @() foreach ($file in (Get-ChildItem $path -Force -ea SilentlyContinue)) { if ($file.PSIsContainer) {

问题 # --------------------------------------------------------- # ScriptingGamesBeginnerEvent8_PS1.ps1 # ed wilson, msft 8/21/2009 # PS1 version of HSG-08-19-09 http://bit.ly/1d8Rww # # --------------------------------------------------------- Param( [string]$path = 'C:\', [int]$first = 50 )# end param # *** Function Here *** function Get-DirSize ($path){ BEGIN {} PROCESS{ $size = 0 $folders = @() foreach ($file in (Get-ChildItem $path -Force -ea SilentlyContinue)) { if ($file.PSIsContainer) {

问题 I want to access some long UNC paths on Windows. I know that I need to use the "\\?\UNC\" prefix (which is "\\\\?\\UNC\\" if you escape the slashes). That works fine: os.stat('\\\\?\\UNC\\server.example.com\\that\\has\\long\\path\\aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\\bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb.txt') # works, returns os

问题 I believe this is a simple question but I am having a hard time figuring out why this is not working. I have a django project and I've added a second app (sales). Prior to the second app, my urls.py simply routed everything to the first app (chart) with the following: urlpatterns = [ path('admin/', admin.site.urls), path('', include('chart.urls')), ] and it worked fine. I have read the docs over and over a looked at many tutorials, so my impression is that I can simply amend the urls.py to