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What is the difference between const int*, const int * const, and int const *?
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Read it backwards (as driven by Clockwise/Spiral Rule):
int* - pointer to int
int const * - pointer to const int
int * const - const pointer to int
int const * const - const pointer to const int
Now the first const can be on either ...
Force Screen On
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PLEASE DO NOT USE A WAKE LOCK
This requires that you give your app an additional permission, and it is very easy to introduce bugs where you accidentally remain holding the wake lock and thus leave the screen on.
It is far, far better to use the w...
Using a Single Row configuration table in SQL Server database. Bad idea?
...can be anything from company information, Shipping account IDs, PayPal API keys, notification preferences, etc.
12 Answers
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Why is Double.MIN_VALUE in not negative
...hy Double.MIN_VALUE is not actually the minimum value that Doubles can take? It is a positive value, and a Double can of course be negative.
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MySQL Insert into multiple tables? (Database normalization?)
... bio, homepage)
VALUES(LAST_INSERT_ID(),'Hello world!', 'http://www.stackoverflow.com');
COMMIT;
Have a look at LAST_INSERT_ID() to reuse autoincrement values.
Edit: you said "After all this time trying to figure it out, it still doesn't work. Can't I simply put the just generated ID in a $var...
Subclassing a Java Builder class
...ttern in particular, how do we handle the case of subclassing a Builder? Taking a cut-down version of the example where we want to subclass to add GMO labelling, a naive implementation would be:
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How to reset / remove chrome's input highlighting / focus border? [duplicate]
I have seen that chrome puts a thicker border on :focus but it kind of looks off in my case where I've used border-radius also. Is there anyway to remove that?
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Regex, every non-alphanumeric character except white space or colon
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Tudor ConstantinTudor Constantin
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开源MQTT网关：EMQX vs Mosquitto - 创客硬件开发 - 清泛IT社区，为创新赋能！
...面各有优点。本文将选取目前最为流行的两个开源 MQTT Broker：EMQX 和 Mosquitto，从技术架构、性能、功能、社区情况等多维度进行 1v1 对比，帮助读者更加深入了解这两个产品。Mosquitto 简介Mosquitto 项目最初由 IBM 和 Eurotech 于 2013 ...
What Makes a Good Unit Test? [closed]
...t part. Recommended.)
Good Tests should be A TRIP (The acronymn isn't sticky enough - I have a printout of the cheatsheet in the book that I had to pull out to make sure I got this right..)
Automatic : Invoking of tests as well as checking results for PASS/FAIL should be automatic
Thorough: Cover...