Questions tagged [Data processing] (176)

Good afternoon, friends! There was a problem of the selection of the configuration of the server so the available evidence: 1) up To 1000 users. 200-300 users all the time online. 2) the Server will be a place of gathering and storage of information (photo and video) from one user to another. 3) on an average day will recei...

If sampling in principle, is clear, pulled data and store it in the cache periodically dropping the file in order not to lose the hot cache, but in the case of frequently changing data? Redis and similar is not suitable, the data should be stored permanently. For example, take the likes on any social. network as in any Laik...

There is a large base of pharmaceutical drugs, consisting of the name of the medication and its barcode. I need to find these goods in category, description and photo. As searching by name in various sources, in most cases gives the wrong results, there will be a search only on the barcode of the product. On-site pharmaci...

Good day! There is equipment that through a com port transfers data in the program. She writes these data only after you save the document. You need to intercept the data from this com port ----> change them to manual ----> send them to the program. With the help of some programs it is possible to implement it?

These are the details. From the table it is necessary to allocate P/N parts having a random set of characters. Conditional following Battery LITHIUM PMX165 C 3,9 V, 6,2 AH Battery accum. 5H-AA2000B Battery B 22/5.2 HILTI Battery LS14500 3.6 V "SAFT " The unit will complement.battery pack SURT192XLBP Power supply 24V DR-60W...

Hello. This year has set a very difficult goal - to learn to work with data, and it is in collections. Like kinoportalov based on user preferences. Maybe there are some books/resources in this area?

There are about 30K files with approximately the same name %D0%A0%D1%83%D0%BA%D0%BE%D0%B2%D0%BE%D0%B4%D1%81%D1%82%D0%B2%D0%BE %D0%BF%D0%BE%D0%BB%D1%8C%D0%B7%D0%BE%D0%B2%D0%B0%D1%82%D0%B5%D0%BB%D1%8F in UTF-8 There is in nature some utility to rename all to human-readable form(for example in such a "Rukovodstvuyutsya")?

Launched these are the tests multiple times. Rearrange the first team. For all four tests, a clear advantage for the iteration was in the ArrayList. What is the reason?

Good afternoon. I need to perform an array of numbers 0-1000000, and to identify the following: is the following number in relation to the current increases or decreases -what is the range of values for more numbers -from what to what range most often go number (e.g.: from 0-100k 400K-500k and so on.) etc data Is there serv...

On the website there is a need to display some information, say - lists of goods. The goods are from various suppliers (users), in different regions. Information about these should also be displayed in the item card. I.e., the products table in the query are the join's on multiple tables:select * from products, users, regio...