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Error during SSL Handshake with remote server
I have Apache2 (listening on 443) and a web app running on Tomcat7 (listening on 8443) on Ubuntu .
3 Answers
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Swift variable decorations with “?” (question mark) and “!” (exclamation mark)
I understand that in Swift all variables must be set with a value, and that by using optionals we can set a variable to be set to nil initially.
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How to make PyCharm always show line numbers
I cannot seem to be able to find the setting to enable line numbers for all files, but I have to always right click and enable this on per file basis.
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Enumerable.Empty() equivalent for IQueryable
When a method returns IEnumerable<T> and I do not have anything to return, we can use Enumerable.Empty<T>() .
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Can bash show a function's definition?
Is there a way to view a bash function's definition in bash?
4 Answers
4
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How do you tell a specific Delayed::Job to run in console?
For some reason, Delayed::Job's has decided to queue up but not excecute anything even though I've restarted it several times, even kill -9'd it and restarted it. It won't run any jobs.
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How do you grep a file and get the next 5 lines
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You want:
grep -A 5 '19:55' file
From man grep:
Context Line Control
-A NUM, --after-context=NUM
Print NUM lines of trailing context after matching lines.
Places a line containing a gup separator (described under --gro...
Convert dictionary to list collection in C#
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To convert the Keys to a List of their own:
listNumber = dicNumber.Select(kvp => kvp.Key).ToList();
Or you can shorten it up and not even bother using select:
listNumber = dicNumber.Keys.ToList();
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How do I go straight to template, in Django's urls.py?
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Django 2.0+
Use the class based generic 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='fo...
matplotlib colorbar for scatter
...ing 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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