how find first and last record from table row in sql one query? How generate random numbers in C# How get DataBase name from connectionString? How get value of td tag from table How group by and sum values in D
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Screenshot A: select picture type(s) in our finding duplicate pictures software. At first glance, it seems that only a few types are supported, but it is not the case. First, each big type already contains several formats, e.g. JPG contains .jpg.jpeg.jpe.j, TIF contains .tif.tiff,...
Well, the best thing is to not make errors in the first place. Here’s a list of things that can help avoid making errors: Follow best practices. Don’t program when tired or frustrated. Take a break and come back later. Understand where the common pitfalls are in a language (all tho...
I just spent a couple of days writing up a short case study comparing two implementations of a DNS resolver decoding library in Java and in Lisp. One of the things that first attracted me to Lisp was Paul Graham's claim that Lisp was a more efficient language and that people could write...
The approach used in the HDDS is based on square-grid DEMs. The procedure of determining the longest flow path begins with the preparation of two additional rasters, which are calculated using the flow direction data. In the first one, each cell contains its downstream flow length (which is...
A class's data structures also include format information, from which the collector can determine where an object of that class ends and the next one begins. But all of this presupposes knowledge of where at least one object started in the first place. The operation of obtaining that informat...
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