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Using an RDBMS as event sourcing storage
...just show you examples of an event-sourcing ledger I build to illustrate.
https://github.com/andrewkkchan/client-ledger-service
The above is an event sourcing ledger web service.
https://github.com/andrewkkchan/client-ledger-core-db
And the above I use RDBMS to compute states so you can enjoy all t...
Write text files without Byte Order Mark (BOM)?
I am trying to create a text file using VB.Net with UTF8 encoding, without BOM. Can anybody help me, how to do this?
I can write file with UTF8 encoding but, how to remove Byte Order Mark from it?
...
What are naming conventions for MongoDB?
... in the following example:
use myDB
use myNewDB
Content from: https://docs.mongodb.com/manual/core/databases-and-collections/#databases
COLLECTIONS
Lowercase names: avoids case sensitivity issues, MongoDB collection names are case sensitive.
Plural: more obvious to label a col...
Using LINQ to concatenate strings
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return string.Join(", ", strings.ToArray());
In .Net 4, there's a new overload for string.Join that accepts IEnumerable<string>. The code would then look like:
return string.Join(", ", strings);
...
Why do some claim that Java's implementation of generics is bad?
...e it's "meant" to be
Can't be used for value types (this is a biggie - in .NET a List<byte> really is backed by a byte[] for example, and no boxing is required)
Syntax for calling generic methods sucks (IMO)
Syntax for constraints can get confusing
Wildcarding is generally confusing
Various re...
Calculate number of hours between 2 dates in PHP
...her method for DatePeriod when using the UTC or GMT timezone.
Count Hours https://3v4l.org/Mu3HD
$start = new \DateTime('2006-04-12T12:30:00');
$end = new \DateTime('2006-04-14T11:30:00');
//determine what interval should be used - can change to weeks, months, etc
$interval = new \DateInterval('P...
How does lucene index documents?
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There's a fairly good article here: https://web.archive.org/web/20130904073403/http://www.ibm.com/developerworks/library/wa-lucene/
Edit 12/2014: Updated to an archived version due to the original being deleted, probably the best more recent alternative is htt...
Java to Clojure rewrite
...eUploader: {
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C# Convert string from UTF-8 to ISO-8859-1 (Latin1) H
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If you are creating the string yourself inside C#/.Net, then this code is not 100% correct, you need to encode from UTF-16 (which is the variable "Unicode"). Because this is the default. So UTF8 in the code above has to be changed to Unicode.
– goamn
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Which is preferred: Nullable.HasValue or Nullable != null?
...in C#? How do you declare your own nullable type that behaves the same as .NET's nullable type? Since when is Null a type in .NET? Can you point to the part in the CLR/C# specification where that's said? Nullables are well defined in the CLR specification, their behaviour is no "implementation of an...
