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Django: Get model from string?
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As of Django 3.0, it's AppConfig.get_model(model_name, require_ready=True)
As of Django 1.9 the method is django.apps.AppConfig.get_model(model_name).
-- danihp
As of Django 1.7 the django.db.models.loading is deprecated (to be removed in 1.9) in favor of the the new appl...
append multiple values for one key in a dictionary [duplicate]
...ys", where items are implicitly associated with each other by having the same index rather than being proper children of a container that encompasses them both.
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Preventing form resubmission
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There are 2 approaches people used to take here:
Method 1: Use AJAX + Redirect
This way you post your form in the background using JQuery or something similar to Page2, while the user still sees page1 displayed. Upon successful posting, you redirect the browser to Page2.
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How can I delete a service in Windows?
...mmand prompt to execute the commands in this post):
SC STOP shortservicename
SC DELETE shortservicename
Note: You need to run the command prompt as an administrator, not just logged in as the administrator, but also with administrative rights. If you get errors above about not having the necess...
What are the real-world strengths and weaknesses of the many frameworks based on backbone.js? [close
Hope that someone can share their experience with some of the latest emerging backbone.js variants out there.
I have some good experience with backbone/underscore/require in several projects and I will like to take the next step towards more advanced solutions for complex application structure.
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How to transfer some data to another Fragment?
How to transfer some data to another Fragment likewise it was done with extras for intents ?
10 Answers
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Can grep show only words that match search pattern?
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Try grep -o
grep -oh "\w*th\w*" *
Edit: matching from Phil's comment
From the docs:
-h, --no-filename
Suppress the prefixing of file names on output. This is the default
when there is only one file (or only standard input) to search.
-o, --only-matching
Print only the m...
Order of serialized fields using JSON.NET
...at you want to set the order for. Read the JsonPropertyAttribute order documentation for more information.
Pass the JsonProperty an Order value and the serializer will take care of the rest.
[JsonProperty(Order = 1)]
This is very similar to the
DataMember(Order = 1)
of the System.Runtime....
What is the printf format specifier for bool?
...er than int is promoted to int when passed down to printf()'s variadic arguments, you can use %d:
bool x = true;
printf("%d\n", x); // prints 1
But why not:
printf(x ? "true" : "false");
or, better:
printf("%s", x ? "true" : "false");
or, even better:
fputs(x ? "true" : "false", stdout);
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Why I can't change directories using “cd”?
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One way to get around this is to use an alias instead:
alias proj="cd /home/tree/projects/java"
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