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Database design for audit logging
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I don't know of any reference, but I'm sure someone has written something.
However, if the purpose is simply to have a record of what happened—the most typical use of an audit log—then why not simply keep everything:
timestamp
u...
Common programming mistakes for Clojure developers to avoid [closed]
...e to worry about the concrete implementation of a Clojure map, you should know that functions which grow a map - like assoc or conj - can take a PersistentArrayMap and return a PersistentHashMap, which performs faster for larger maps.
Using a function as the recursion point rather than a loop to ...
Difference between adjustResize and adjustPan in android?
...mponents and at the same time adjustPan gave me same output.
I want to know the difference between them and when to use each component? Which one(adjustPan or adjustResize) is good for resizing UI?
...
Simple explanation of clojure protocols
...gt; eval(node.left) + eval(node.right)
NotOperator => !eval(node)
Now, if you want to add a new operation, say, type-checking, that's easy, but if you want to add a new node type, you have to modify all the existing pattern matching expressions in all operations.
And for typical naive OO, ...
Why and How to avoid Event Handler memory leaks?
...he main window. After doing something, the user closes the child window.
Now, according to the flow chart I provided if you ask a question "Does the child window (event subscriber) supposed to be dead before the event publisher (main window)? The answer should be YES. Right? So, detach the event h...
How to use RSpec's should_raise with any kind of exception?
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The syntax changed recently and now it is:
expect { ... }.to raise_error(ErrorClass)
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Python - When to use file vs open
...he moment. They've had a sort of strange relationship, but file() is going now, so there's no need to worry anymore.
The following is from the Python 2.6 docs. [bracket stuff] added by me.
When opening a file, it’s preferable to use open() instead of invoking this [file()] constructor directl...
CSS: bolding some text without changing its container's size
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Modern browsers now supports sub-pixel accuracy. So you can fine tune the spacing using 0.98px or smaller fractions.
– Reactgular
Aug 3 '16 at 23:10
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C++ lambda with captures as a function pointer
...callback(fpath);
}
int main()
{
vector<string> entries;
// ... now the @ftw can accept lambda
int ret = ftw("/etc", [&](const char *fpath) -> int {
entries.push_back(fpath);
return 0;
});
// ... and function object too
struct _ {
static int lambda(vector<s...
What browsers support HTML5 WebSocket API?
...Caucho Resin 4.0.2 (not yet tried) V 4.0.25 supports RFC6455
Tomcat 7.0.27 now supports it V 7.0.28 supports RFC6455
Tomcat 8.x has native support for websockets RFC6455 and is JSR 356 compliant
JSR 356 included in Java EE 7 will define the Java API for WebSocket, but is not yet stable and complete....