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GROUP_CONCAT comma separator - MySQL
I have a query where I am using GROUP_CONCAT and a custom separator as my results may contain commas: '----'
3 Answers
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Storing DateTime (UTC) vs. storing DateTimeOffset
I usually have an "interceptor" that right before reading/writing from/to the database does DateTime conversion (from UTC to local time, and from local time to UTC), so I can use DateTime.Now (derivations and comparisions) throughout the system without worrying about time zones.
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Qt: *.pro vs *.pri
What is the difference between *.pro and *.pri configuration files for qmake?
3 Answers
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Why are iframes considered dangerous and a security risk?
Why are iframes considered dangerous and a security risk? Can someone describe an example of a case where it can be used maliciously?
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Erlang's 99.9999999% (nine nines) reliability
Erlang was reported to have been used in production systems for over 20 years with an uptime percentage of 99.9999999%.
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What is the difference D3 datum vs. data?
Can someone please explain the difference between datum() and data() in D3.js? I see both being used and I am not sure why you should choose one over the other?
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Why does the JVM still not support tail-call optimization?
Two years after does-the-jvm-prevent-tail-call-optimizations , there seems to be a prototype implementation and MLVM has listed the feature as "proto 80%" for some time now.
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Providing a default value for an Optional in Swift?
The idiom for dealing with optionals in Swift seems excessively verbose, if all you want to do is provide a default value in the case where it's nil:
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How to accept Date params in a GET request to Spring MVC Controller?
I've a GET request that sends a date in YYYY-MM-DD format to a Spring Controller.
The controller code is as follows:
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How does bash tab completion work?
I have been spending a lot of time in the shell lately and I'm wondering how the tab autocomplete works. What's the mechanism behind it? How does the bash know the contents of every directory?
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