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Storing money in a decimal column - what precision and scale?
...mplemented a system that needs to handle values in multiple currencies and convert between them, and figured out a few things the hard way.
NEVER USE FLOATING POINT NUMBERS FOR MONEY
Floating point arithmetic introduces inaccuracies that may not be noticed until they've screwed something up. All v...
How can I convert byte size into a human-readable format in Java?
How can I convert byte size into a human-readable format in Java?
25 Answers
25
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Parse JSON in C#
...alent Serialize/Deserialize methods to the code above..
Deserialize:
JsonConvert.DeserializeObject<T>(string json);
Serialize:
JsonConvert.SerializeObject(object o);
This are already part of Json.NET so you can just call them on the JsonConvert class.
Link: Serializing and Deserializin...
Convert UNIX epoch to Date object
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I have timestamps like 1415560016876. epochconverter.com converts this to a date with no problem. Your code above gives me stuff like "46832-11-09 12:47:33 EDT"...
– Hack-R
Nov 17 '14 at 19:43
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Android Fatal signal 11 (SIGSEGV) at 0x636f7d89 (code=1). How can it be tracked down?
...getting this error by saving an object to the shared preferences as a gson converted string. The gson String was no good, so retrieving and deserializing the object was not actually working correctly. This meant any subsequent accesses to the object resulted in this error. Scary :)
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Nginx serves .php files as downloads, instead of executing them
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For php7.2: unix:/var/run/php5-fpm.sock; convert to unix:/var/run/php/php7.2-fpm.sock; (one more nesting /php)
– Oleg Reym
Jul 26 '19 at 10:29
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get list from pandas dataframe column
...out the Dataframe method, Ive never seen that before... seems like you are converting a dinctionary to a df? df = DataFrame(d)?
– yoshiserry
Mar 12 '14 at 4:14
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How to convert std::string to NSString?
Hi I am trying to convert a standard std::string into an NSString but I'm not having much luck.
6 Answers
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How to print colored text in Python?
...is page. On Windows, Colorama strips these ANSI characters from stdout and converts them into equivalent win32 calls for colored text. On other platforms, Colorama does nothing. Hence you can use ANSI codes, or modules like Termcolor, and with Colorama, they 'just work' on all platforms. Is that ide...
How to read data when some numbers contain commas as thousand separator?
...terpret it properly, but you can use gsub to replace "," with "", and then convert the string to numeric using as.numeric:
y <- c("1,200","20,000","100","12,111")
as.numeric(gsub(",", "", y))
# [1] 1200 20000 100 12111
This was also answered previously on R-Help (and in Q2 here).
Alternative...