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When should I really use noexcept?
...iers right after they came out then the answers would be very different to now.
Having to think about whether or not I need to append noexcept after every function declaration would greatly reduce programmer productivity (and frankly, would be a pain).
Well, then use it when it's obvious that ...
Print all properties of a Python Class [duplicate]
...name': 'Dog', 'color': 'Spotted', 'age': 10, 'legs': 2, 'smell': 'Alot'}
# now dump this in some way or another
print(', '.join("%s: %s" % item for item in attrs.items()))
If you want to store Python objects on the disk you should look at shelve — Python object persistence.
...
How to become an OpenCart guru? [closed]
...ramework relies on the route=aaa/bbb/ccc in the query string parameter to know what to load, and is the underpinning feature to finding the files you need to edit for each page. Most route's actually only use the aaa/bbb which should be seen as two parts, however some contain three parts aaa/bbb/ccc...
Rethrowing exceptions in Java without losing the stack trace
...
In Java 7 compiler for such rethrow is more inteligent. Now it works fine with specific "throws" exceptions in containing method.
– Waldemar Wosiński
Jan 29 '13 at 16:18
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UTF-8 byte[] to String
...ream to read the bytes of a UTF-8 encoded text file into a byte array. I know that I can use the following routine to convert the bytes to a string, but is there a more efficient/smarter way of doing this than just iterating through the bytes and converting each one?
...
Extracting numbers from vectors of strings
...
gregexpr. I hadn't tried regexpr until just now. HUGE difference. Using regexpr puts it between Andrew's and Arun's solutions (second fastest) on a 1e6 set. Perhaps also interesting, using sub in Andrew's solution does not improve the speed.
– ...
jQuery checkbox change and click event
...ter does not work in all cases and I believe that jQuery recommend .prop() now.
– kabadisha
Jun 5 '16 at 16:28
2
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C++: How to round a double to an int? [duplicate]
....
float x = 55; // stored as 54.999999...
x = x + 0.5 - (x<0); // x is now 55.499999...
int y = (int)x; // truncated to 55
C++11 also introduces std::round, which likely uses a similar logic of adding 0.5 to |x| under the hood (see the link if interested) but is obviously more robust.
A follo...
What is sharding and why is it important?
... advantage would be that search load for the
large partitioned table can now be split across multiple servers
(logical or physical), not just multiple indexes on the same logical
server.
Also,
Splitting shards across multiple isolated instances requires more than
simple horizontal part...
What are the best practices for SQLite on Android?
...that will be it.
So, multiple threads? Use one helper. Period. If you KNOW only one thread will be writing, you MAY be able to use multiple connections, and your reads will be faster, but buyer beware. I haven't tested that much.
Here's a blog post with far more detail and an example app.
An...