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Possible reason for NGINX 499 error codes
I'm getting a lot of 499 NGINX error codes. I see that this is a client side issue. It is not a problem with NGINX or my uWSGI stack. I note the correlation in uWSGI logs when a get a 499.
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Is there a cross-browser onload event when clicking the back button?
...as a result of a back button operation — it only fires when the page is first loaded.
15 Answers
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Cache busting via params
...?v=1.123 indicates a query string, and the browser will therefore think it is a new path from, say, ?v=1.0. Thus causing it to load from file, not from cache. As you want.
And, the browser will assume that the source will stay the same next time you call ?v=1.123 and should cache it with that stri...
“using namespace” in c++ headers
... using namespace std; right after the #include s in their .h files. This seems to me to be dangerous since then by including that header in another program I will get the namespace imported into my program, maybe without realizing, intending or wanting it (header inclusion can be very deeply ne...
In Jinja2, how do you test if a variable is undefined?
Converting from Django, I'm used to doing something like this:
6 Answers
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How do I update each dependency in package.json to the latest version?
... now want to bump all of the dependencies to their latest versions since this is a fresh project and I don't mind fixing something if it breaks.
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How do I add a class to a given element?
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If you're only targeting modern browsers:
Use element.classList.add to add a class:
element.classList.add("my-class");
And element.classList.remove to remove a class:
element.classList.remove("my-class");
If you need to support Internet Explorer 9 or lower:
Add a space plus the...
How to jump to a particular line in a huge text file?
...g a cache, the common case where many lines are read from a single file. This is used by the traceback module to retrieve source lines for inclusion in the formatted traceback...
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Split code over multiple lines in an R script
I want to split a line in an R script over multiple lines (because it is too long). How do I do that?
5 Answers
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How to specify id when uses include in layout xml file
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edited Sep 30 '19 at 20:57
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