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How to properly create composite primary keys - MYSQL
...not make the primary key of the "info" table a composite of the two values from other tables.
Others can articulate the reasons better, but it feels wrong to have a column that is really made up of two pieces of information. What if you want to sort on the ID from the second table for some reason?...
Limit labels number on Chart.js line chart
I want to display all of the points on my chart from the data I get, but I don't want to display all the labels for them, because then the chart is not very readable. I was looking for it in the docs, but couldn't find any parameter that would limit this.
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Is it safe to parse a /proc/ file?
...t the consistency of a file in /proc. For example, see this bug which came from assuming that /proc/mounts was a consistent snapshot.
For example:
/proc/uptime is totally atomic, as someone mentioned in another answer -- but only since Linux 2.6.30, which is less than two years old. So even this...
What's causing my java.net.SocketException: Connection reset? [duplicate]
... We are unsure as to where the Connection reset error is actually coming from, and how to go about debugging.
14 Answers
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The mysql extension is deprecated and will be removed in the future: use mysqli or PDO instead [dupl
When I attempt to connect to a MySQL server from PHP, I see the following error:
1 Answer
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When should use Readonly and Get only properties
...Fuel = a; // Does not compile
f.FillFuelTank(10); // Value is changed from the method's code
}
Setting the private field of your class as readonly allows you to set the field value only once (using an inline assignment or in the class constructor).
You will not be able to change it later.
pu...
Get value from JToken that may not exist (best practices)
...r method gets in the way, it introduces the ability to deserialize objects from GetValue<T>, which is a pattern I want to avoid for the sake of moving my code to a platform that has a better JSON parser (say, Win8 for example). So, for what I asked, yes, your code would be perfect.
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Dependency Injection vs Factory Pattern
...rce that responsibility to another class or a framework, which is separate from your code.
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C# 3.0 auto-properties — useful or not? [closed]
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@wal - what's there to debug? From that point of view you're basically dealing with member variables.
– Keith
Oct 26 '10 at 11:17
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How can I remove all text after a character in bash?
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cut can read from stdin, so it is better especially when you have a very long string that you need to process, like the contents of a file.
– Sahas
Apr 26 '17 at 8:34
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