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Why should you remove unnecessary C# using directives?
...g faster compilation: Unused using directives in .cs files can prevent you from removing some (otherwise unused) assembly references from your .csproj project. If you have a "solution" of many projects, unnecessary references between the projects will force the projects to be compiled in a specific ...
How can I remove time from date with Moment.js?
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'day and date key both mean day-of-the-month.' from the docs. day works pre version 2.8.4.
– oldwizard
May 17 '17 at 7:13
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What is the best algorithm for overriding GetHashCode?
...should prevent your equality-sensitive (and thus hashcode-sensitive) state from changing after adding it to a collection that depends on the hash code.
As per the documentation:
You can override GetHashCode for immutable reference types. In general, for mutable reference types, you should overr...
Extract only right most n letters from a string
...can I extract a substring which is composed of the rightmost six letters from another string ?
21 Answers
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Trust Anchor not found for Android SSL Connection
...ity (checking against Mozilla's root store). If you bought the certificate from a trusted authority, you probably just need to install one or more Intermediate certificates. Contact your certificate provider for assistance doing this for your server platform."
You can also check the certificate wit...
Quick Sort Vs Merge Sort [duplicate]
... bit obscure; more common examples might be sorting data as it is received from a network connection, or sorting data structures which don't allow efficient random access like linked lists
– Christoph
Oct 29 '10 at 7:46
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What do the numbers in a version typically represent (i.e. v1.9.0.1)?
...e "larger" version number takes precedence. So if you're updating your app from version 1.4.23, you simply update to 1.5.0 and be done with it. You can indicate in your release notes which bugs have been fixed. Similarly, you can update from 1.4.23 to 2.0.0.
– Dillie-O
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EntityType has no key defined error
..., I mistakenly marked my "Id" field "private" instead of "public" (a habit from Java/JPA). Larry Raymond's response below is arguably the "best" reply to this question. It lists most of the common scenarios behind "EntityType has no key defined error".
– paulsm4
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How to try convert a string to a Guid [duplicate]
...er something by Guid (since its primary key in a table) what will you send from the front in a request? Most likely a string in URL, but on back in the controller you would most like wanna use it as Guid. As for speed comparison: stackoverflow.com/questions/713109/…
– DanteTh...
The way to check a HDFS directory's size?
...iles. Without the -s option, the calculation is done by going 1-level deep from the given path.
The -h option will format file sizes in a human-readable fashion (e.g 64.0m instead of 67108864)
The -v option will display the names of columns as a header line.
The -x option will exclude snapshots from...