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You have already activated X, but your Gemfile requires Y
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If you have a reason to keep the current version of rake (or whatever other gem is causing the ...
Django database query: How to get object by id?
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How can I get WebStorm to recognize Jasmine methods?
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Samuel Neff
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answered Mar 26 '14 at 12:06
oujeskyouj...
Unable to install Maven on Windows: “JAVA_HOME is set to an invalid directory”
...rrent place of work I was unable to set enviroment variables on my Windows based PC.
My workaround was to copy the mvn.bat file from %M2% into C:\WINNT and add the following to the top of the batch file:
@REM Needed as unable to set env variables on my desktop PC.
set MAVEN_OPTS=-Xms256m -Xmx1024...
Changing user agent on urllib2.urlopen
...ttp://localhost/", headers={'User-Agent':' Mozilla/5.0 (Windows NT 6.1; WOW64; rv:12.0) Gecko/20100101 Firefox/12.0'})
handler = urllib.request.urlopen(req)
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Change SVN repository URL
...ng).
The repo address and its UUID are saved in the .svn/wc.db SQLite database file in your working copy. Just open the database (e.g. in SQLite Browser), browse table REPOSITORY, and change the root and uuid column values to the new ones. You can find the UUID of the new repo by issuing svn info N...
How to concatenate twice with the C preprocessor and expand a macro as in “arg ## _ ## MACRO”?
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Django in / not in query
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How to create abstract properties in python abstract classes
In the following code, I create a base abstract class Base . I want all the classes that inherit from Base to provide the name property, so I made this property an @abstractmethod .
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Iterating C++ vector from the end to the beginning
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Starting with c++20, you can use a std::ranges::reverse_view and a range-based for-loop:
#include<ranges>
#include<vector>
#include<iostream>
using namespace std::ranges;
std::vector<int> const vec{1, 2, 3, 4, 5, 6, 7, 8, 9, 10};
for(auto& i : views::reverse(vec))...