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C++ display stack trace on exception
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And archive.org doesn't know it, either. Damn. Well, the procedure should be clear: throw a custom class' object that records the stack trace at the time of the throw.
– Thomas Tempelmann
May 20 '15 at 21:21
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How do I format a date in Jinja2?
Using Jinja2, how do I format a date field? I know in Python I can simply do this:
9 Answers
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How to make a SPA SEO crawlable?
...stand what google requires, particularly the use of pretty and ugly URLs. Now lets see the implementation:
Client Side
On the client side you only have a single html page which interacts with the server dynamically via AJAX calls. that's what SPA is about. All the a tags in the client side are ...
How to get the original value of an attribute in Rails
...flow.com/a/50973808/9359123
Appending _was is deprecated in rails 5.1, now you should append _before_last_save
Something like:
before_save object
do_something_with object.name_before_last_save
end
Will return the name value before your last save at database (works for save and create)
The...
How to print the full traceback without halting the program?
...ever, a best practice is to have a logger set up for your module. It will know the name of the module and be able to change levels (among other attributes, such as handlers)
import logging
logging.basicConfig(level=logging.DEBUG)
logger = logging.getLogger(__name__)
In which case, you'll want the l...
Print current call stack from a method in Python code
...original question, which is how to print the current stack ("where you are now" as opposed to "where your code was when the last exception went off, if any".)
– Tom Swirly
Feb 27 '13 at 22:42
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Using node.js as a simple web server
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Simplest Node.js server is just:
$ npm install http-server -g
Now you can run a server via the following commands:
$ cd MyApp
$ http-server
If you're using NPM 5.2.0 or newer, you can use http-server without installing it with npx. This isn't recommended for use in production but ...
Where to place AutoMapper.CreateMaps?
... code (and refactor) if necessary.
EDIT:
Just thought I'd mention that I now use AutoMapper profiles, so the above example becomes:
public static class AutoMapperWebConfiguration
{
public static void Configure()
{
Mapper.Initialize(cfg =>
{
cfg.AddProfile(new UserProf...
What is the most efficient string concatenation method in python?
...and.
Finally, the golden rule of optimization: don't optimize unless you know you need to, and measure rather than guessing.
You can measure different methods using the timeit module. That can tell you which is fastest, instead of random strangers on the internet making guesses.
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Django rest framework nested self-referential objects
...tionships is something that needs to be added.
Edit: Note that there is now a third-party package available that specifically deals with this kind of use-case. See djangorestframework-recursive.
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