大约有 13,071 项符合查询结果（耗时：0.0209秒） [XML]
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.
...
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>() .
...
Can bash show a function's definition?
Is there a way to view a bash function's definition in bash?
4 Answers
4
...
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.
...
How do you grep a file and get the next 5 lines
...
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#
...
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();
...
How do I go straight to template, in Django's urls.py?
...
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?
...
String Concatenation using '+' operator
...llo";
string y = "there";
string z = "chaps";
string all = x + y + z;
actually gets compiled as:
string x = "hello";
string y = "there";
string z = "chaps";
string all = string.Concat(x, y, z);
(Gah - intervening edit removed other bits accidentally.)
The benefit of the C# compiler noticing th...
Force Git to always choose the newer version during a merge?
Let's assume I merge git and there is a merge conflict.
2 Answers
2
...