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Category Archives: workday
Elapsed time on bash
Once a while is nice to measure elapse time on Linux on bash command line.Here is an example how to count elapsed seconds:
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Marketing
“Marketing isn’t about shortcuts, hustle or deception. Marketing is the art (and the science) of serving the people you seek to serve, to do better work by finding and satisfying needs. Marketing is the practice of making things better by … Continue reading
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Short decimal ASCII characters table
Seven bit characters ASCII table is with us long time. Once a while we need to know value of ASCII character, mostly out of the alphabet characters. For example on Windows it’s possible to type any character by pressing <ALT> … Continue reading
data:text/html, <html contenteditable> … and CTRL+S … in Chrome!
See Handy notepad in Chrome tab or window, this time in title what one could have in bookmarks. CTRL+<S> can save file into the file system.
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Sending money by paypal
Paypal is a convenient way, how to send money. However, it is not for free. For example for not profit organizations inside of the USA is fee 2.2% plus fixed fee $0.30. If someone would send to organization $102.55, organization … Continue reading
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go: Marshal and Unmarshal json
Here is an example playing with json, see https://play.golang.org/p/fHA1im6vPIG
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go: Legacy character encoding conversion to UTF-8
Go language is using UTF-8 encoding, but sometimes text files are encoded in some other encoding, like Windows-1250. Here is example, how it could be done https://play.golang.org/p/K3JAeM4nCVD Decoding table used in this program was developed from page CP1250.TXT at ftp://ftp.unicode.org/Public/MAPPINGS/VENDORS/MICSFT/WINDOWS/ … Continue reading
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go: Enumeration
There is no enumeration in Golang, but here is an example, which could be good start for any project, which needs to utilize enumeration. See https://play.golang.org/p/pD29UI37iq1
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go: Three dots/ellipses notation and variadic function; arrays vs slices
Go program example below explores arrays, slices and three dots notation. Arrays and slices are similar, arrays have static usage, slices are dynamic. Arrays are type values, fixed length sentences of items of the same type. Slices are reference types. … Continue reading
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go: Concurrent records processing with channels
Let’s say we have list of records, which can be processed concurrently. Processing time can be different. In example below processing time depends on two parameters. There are used non buffered input and output channels. There are these steps: Submitting … Continue reading
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