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Any good ORM tools for Android development? [closed]
...ject definition, and auto-generate the CRUD functionality. The rub is that all of this must happen within the Android framework, which has its own conventions as to how database access works.
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How to serialize a lambda?
...le)() -> System.out.println("Serializable!");
And the lambda automagically becomes serializable.
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Redefine tab as 4 spaces
...ab characters in your file to appear 4 spaces wide, or by "tab" do you actually mean an indent, generated by pressing the tab key, which would result in the file literally containing (up to) 4 space characters for each "tab" you type?
Depending on your answer, one of the following sets of
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invalid command code ., despite escaping periods, using sed
...of sed, the -i option expects an extension argument so your command is actually parsed as the extension argument and the file path is interpreted as the command code.
Try adding the -e argument explicitly and giving '' as argument to -i:
find ./ -type f -exec sed -i '' -e "s/192.168.20.1/new.domai...
What is Serialization?
... themselves have different formats (ASCII, UTF8, UTF16, EBCDIC...) and actually demonstrate the concept fairly well. The string (an in-memory object) abc would be serialized as 0x61 0x62 0x63 (ASCII) or 0x00 0x61 0x00 0x62 0x00 0x63 (UTF16) -- with or without things like NUL terminators or encoded l...
Assign multiple columns using := in data.table, by group
...t(dim(get(objectName))),by=objectName]. Trouble is that as.list has call overhead and also copies the small vector. If efficiency is a problem as number of groups rises then please let us know.
– Matt Dowle
May 21 '14 at 11:49
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Why do table names in SQL Server start with “dbo”?
At least on my local instance, when I create tables, they are all prefixed with "dbo.". Why is that?
3 Answers
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Why is the standard session lifetime 24 minutes (1440 seconds)?
...P3 days, PHP itself had no session support.
But an open-source library called PHPLIB, initially written by Boris Erdmann and Kristian Koehntopp from NetUSE AG, provided sessions via PHP3 code.
Session lifetimes were defined in minutes, not seconds. And the default lifetime was 1440 minutes, o...
How to optimize imports automatically after each save in IntelliJ IDEA
I want to learn how can I automatically optimize imports after each save as we do Eclipse( save actions ).
4 Answers
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Map and Reduce in .NET
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Why oh why don't they just call it Reduce instead of Aggregate... MS just likes to annoy programmers
– John Henckel
Mar 28 '19 at 20:27
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