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How to keep environment variables when using sudo
When I use any command with sudo the environment variables are not there. For example after setting HTTP_PROXY the command wget works fine without sudo . However if I type sudo wget it says it can't bypass the proxy setting.
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Error during SSL Handshake with remote server
...running Apache 2.4.6, and I had to add the following directives to get it working:
SSLProxyEngine on
SSLProxyVerify none
SSLProxyCheckPeerCN off
SSLProxyCheckPeerName off
SSLProxyCheckPeerExpire off
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Swift variable decorations with “?” (question mark) and “!” (exclamation mark)
...o access the value (but it can still be nil).
This is basically the behavior we already had in objective-c. A value can be nil, and you have to check for it, but you can also just access the value directly as if it wasn't an optional (with the important difference that if you don't check for nil yo...
Can bash show a function's definition?
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@sjsupersumit The question explicitly asks for a Bash solution.
– bfontaine
Sep 5 '18 at 8:59
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How to solve Permission denied (publickey) error when using Git?
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If the user has not generated a ssh public/private key pair set before
This info is working on theChaw but can be applied to all other git repositories which support SSH pubkey authentications. (See gitolite, gitlab or github for example.)
First start by setting up your own public/priva...
How do I go straight to template, in Django's urls.py?
...eric views but register with the django 2.0+ pattern.
from django.urls import path
from django.views.generic import TemplateView
urlpatterns = [
path('foo/', TemplateView.as_view(template_name='foo.html'))
]
https://docs.djangoproject.com/en/2.0/ref/class-based-views/base/#templateview
Djan...
matplotlib colorbar for scatter
I'm working with data that has the data has 3 plotting parameters: x,y,c. How do you create a custom color value for a scatter plot?
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String Concatenation using '+' operator
Looking at the string class metadata, I only see the operators == and != overloaded. So how is it able to perform concatenation for the ' + ' operator?
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Why use Ruby's attr_accessor, attr_reader and attr_writer?
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You may use the different accessors to communicate your intent to someone reading your code, and make it easier to write classes which will work correctly no matter how their public API is called.
class Person
attr_accessor :age
...
end
Here, I can s...
$(this).val() not working to get text from span using jquery
...tion () {
var monthname = $(this).text();
alert(monthname);
});
Or in jQuery 1.7+ use on() as live is deprecated:
$(document).on('click', '.ui-datepicker-month', function () {
var monthname = $(this).text();
alert(monthname);
});
.val() is for input type elements (including te...