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What's the best practice for primary keys in tables?
... never change", think twice. "we never re-use those codes" are famous last words .... About the only things that fall into the categories of small, never changing are iso and other standards (country codes, iata airport codes, ). Things like "what is the 2 letter representation for this internal bra...
Why is Linux called a monolithic kernel?
... Yes, I know Tanenbaum meant Hurd. But GNU switched to Linux so the wording is funny.
– artless noise
Oct 27 '14 at 21:06
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What is the difference between synchronous and asynchronous programming (in node.js)
... is still executed "when the blocking operation has finished", or in other words, "asynchronously". Node.js could execute other functions while that blocking operation is taking place. Functions remain async, its just that you are chaining them. Sync functions block execution, that's the key.
...
Ruby class instance variable vs. class variable
...te class variables with the behavior you're more likely to want.
In other words, class instance variables are sort of an accident of Ruby's design. You probably shouldn't use them unless you specifically know they're what you're looking for.
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Entity Framework rollback and remove bad migration
... using a new migration.
There are already suggestions on improving this wording, but I'd like the error to say something like this:
Run Update-Database (last good migration name) to revert the database schema back to to that state. This command will
unapply all migrations that occurred afte...
Convert HTML to PDF in .NET
...pricelist
https://www.gemboxsoftware.com/document/examples/c-sharp-convert-word-html-to-pdf/304
PDF Metamorphosis .Net
https://www.nuget.org/packages/sautinsoft.pdfmetamorphosis/
$ 439 - $ 1439 - https://www.sautinsoft.com/products/pdf-metamorphosis/order.php
https://www.sautinsoft.com/products/p...
Is it possible for a computer to “learn” a regular expression by user-provided examples?
...s [19]{6}
A regex matching any 6 digits \d{6}
Any of the above three, with word boundaries, e.g. \b\d{6}\b
Any of the first three, not preceded or followed by a digit, e.g.
(?<!\d)\d{6}(?!\d)
As you can see, there are many ways in which examples can be generalized into a regular expression. Th...
'float' vs. 'double' precision
...to the implementer (as well as which base they use internally, so in other words, an implementation could decide to make it based on 18 digits of precision in base 3). [1]
If you need to know these values, the constants FLT_RADIX and FLT_MANT_DIG (and DBL_MANT_DIG / LDBL_MANT_DIG) are defined in fl...
How to vertically align into the center of the content of a div with defined width/height?
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please clarify, your wording seems a bit all over the place and disjointed.
– Benjamin Trent
May 29 '14 at 18:58
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HTTP vs HTTPS performance
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This answer mentions a lot of irrelevant (in other words wrong) stuff at the beginning. He takes 5 paragraphs to get to the right answer, which is HANDSHAKING.
– bobobobo
Apr 19 '13 at 17:22
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