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const vs constexpr on variables
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Is there a good reason I see VARCHAR(255) used so often (as opposed to another length)?
...only uses the number of bytes + 1 to store your text, so you might as well set it to 255, unless you want a hard limit (like 50) on the number of characters in the field.
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Convert java.util.Date to String
...ate.toInstant() // Convert `java.util.Date` to `Instant`.
.atOffset( ZoneOffset.UTC ) // Transform `Instant` to `OffsetDateTime`.
.format( DateTimeFormatter.ISO_LOCAL_DATE_TIME ) // Generate a String.
.replace( "T" , " " ) // Put a SPACE in the middle.
2014-11-...
How do I merge my local uncommitted changes into another Git branch?
How can I do the following in Git?
6 Answers
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In Java, what is the best way to determine the size of an object?
...specified in the documentation. Also I suppose that the authors decided to set the size of a String as 32 bytes (only the pointer?) because of the Java's String pool, which makes it difficult to say, whether a String instance is shared (stored in the pool) or local&unique to a class.
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target=“_blank” vs. target=“_new”
...g target _blank pointing to an untrusted website, you should, in addition, set rel="noopener". This prevents the opening site to mess with the opener via JavaScript. See this post for more information.
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Fastest way to determine if an integer is between two integers (inclusive) with known sets of values
...ul way to speed up the algorithm.
If you are doing this for a very finite set of values, then you could create a lookup table. Performing the indexing might be more expensive, but if you can fit the entire table in cache, then you can remove all branching from the code, which should speed things u...
The project type is not supported by this installation
Whenever I try to open a project (csproj) that's downloaded from the internet, most of the times, I get the
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Traverse all the Nodes of a JSON Object Tree with JavaScript
... target function, whereas o should be the first parameter to the function. Setting it to this (which would be the traverse function) is a bit odd though, but it's not like process uses the this reference anyway. It could just as well have been null.
– Thor84no
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Is it possible to implement dynamic getters/setters in JavaScript?
I am aware of how to create getters and setters for properties whose names one already knows, by doing something like this:
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