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How to design a multi-user ajax web application to be concurrently safe
I have a web page that shows a large amount of data from the server. The communication is done via ajax.
8 Answers
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lock(new object()) — Cargo cult or some crazy “language special case”?
...o amazing stuff, so amazing it can only run once at a time
// e.g. comands on the Mars Rover, or programs on iOS pre 4 / 5 ??
}
}
and thought he could cut the number of lines.
I'd be very worried if that were the case though...
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How does “304 Not Modified” work exactly?
... a date-modified or ETag for each version of each resource; this typically comes from the filesystem or a separate database column.
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Change working directory in my current shell context when running Node script
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Oops. Ya, that is the command I am actually using. However, when I use it in a simple script it still does not seem to work (once the script exits I am still in the old directory) If I call process.cwd() it says I am in the directory I should be ...
How can I convert a file pointer ( FILE* fp ) to a file descriptor (int fd)?
...in the standard C library does require including headers, at least if your compiler expects prototypes (I never remember what's actually standard behavior in that respect). Without headers, no names are defined at the beginning of a C file.
– Phil Miller
Jul 3 ...
How do I strip non alphanumeric characters from a string and keep spaces?
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How to make Sequelize use singular table names
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How to do SELECT COUNT(*) GROUP BY and ORDER BY in Django?
...riginal QuerySet, the original results are grouped
according to the unique combinations of the fields specified in the
values() clause"
annotate() : specifies an operation over the grouped values
Django docs:
The second way to generate summary values is to generate an independent summary for each ...
Difference between decimal, float and double in .NET?
...way that you can say that everything is a binary type, at which point it becomes a fairly useless definition. Decimal is a decimal type in that it's a number represented as an integer significand and a scale, such that the result is significand * 10^scale, whereas float and double are significand * ...
Check if value already exists within list of dictionaries?
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I found it, it's called List Comprehensions docs.python.org/2/whatsnew/2.0.html?highlight=comprehensions
– sylye
May 12 '17 at 10:01
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