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What is the most efficient/elegant way to parse a flat table into a tree?
...rsive queries in MySQL 8.0 in my presentation Recursive Query Throwdown in 2017.
Below is my original answer from 2008:
There are several ways to store tree-structured data in a relational database. What you show in your example uses two methods:
Adjacency List (the "parent" column) and
Pa...
How to remove specific value from array using jQuery
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get client time zone from browser [duplicate]
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206
Half a decade later we have a built-in way for it!
For modern browsers I would use:
cons...
How can I remove the decimal part from JavaScript number?
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How to force ASP.NET Web API to always return JSON?
...nfig) { ... } method in WebApiConfig.cs file which has been gererated by VS2012 on project creation
– Dmitry Pavlov
Aug 14 '13 at 8:56
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Call int() function on every list element?
...vored.
– extraneon
Jul 30 '10 at 12:20
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@extraneon: Yeah... or perhaps consider using a generato...
When does a process get SIGABRT (signal 6)?
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abort() sends the calling process the SIGABRT signal, this is how abort() basically works.
a...
PadLeft function in T-SQL
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SQL Server now supports the FORMAT function starting from version 2012, so:
SELECT FORMAT(id, '0000') FROM TableA
will do the trick.
If your id or column is in a varchar and represents a number you convert first:
SELECT FORMAT(CONVERT(INT,id), '0000') FROM TableA
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Docker - a way to give access to a host USB or serial device?
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There are a couple of options. You can use the --device flag that use can use to access USB de...
Google Maps Android API v2 - Interactive InfoWindow (like in original android google maps)
...pperLayout initialization
// 39 - default marker height
// 20 - offset between the default InfoWindow bottom edge and it's content bottom edge
mapWrapperLayout.init(map, getPixelsFromDp(this, 39 + 20));
// We want to reuse the info window for all the markers,
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