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How to learn R as a programming language [closed]
...ion is prompted by lack of understanding of such functions as parse, eval, etc. which may not find frequent use by an R user with a 'statistics' persuasion.
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How do I rotate the Android emulator display? [duplicate]
...emulator if you have have not configured your keyboard to "Use all F1, F2, etc. keys as standard function keys" (Check it on System Preferences - Keyboard).
If you have checked the option mentioned above, you will not need the Fn key and you should be able to rotate the emulator only with Ctrl + F1...
How to filter rows in pandas by regex
... b
1 2 foo
na=False is to prevent Errors in case there is nan, null etc. values
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How to select the last record of a table in SQL?
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Without any further information, which Database etc the best we can do is something like
Sql Server
SELECT TOP 1 * FROM Table ORDER BY ID DESC
MySql
SELECT * FROM Table ORDER BY ID DESC LIMIT 1
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In what cases could `git pull` be harmful?
...local commits, and decide the best course of action (merge, rebase, reset, etc.).
With Git 2.0 and newer, you can run:
git config --global pull.ff only
to alter the default behavior to only fast-forward. With Git versions between 1.6.6 and 1.9.x you'll have to get into the habit of typing:
git...
Copying text with color from Notepad++
...ault Edit > Copy command provided RTF as a default for MS Word, Outlook etc.
– Jonathan Watmough
Sep 26 '16 at 14:16
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Print second last column/field in awk
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As a mnemonic, this behavior is the same as C/Java etc. int x = ++i int x = i++, prefix means increment first; postfix means increment later (assignment first).
– Weekend
Dec 11 '19 at 7:20
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Getting all file names from a folder using C# [duplicate]
...re info about each file, such as filename, extension, size, modified time, etc.
– Pona
Dec 16 '18 at 19:29
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405 method not allowed Web API
...re and a parameter issue or a convention naming issue or a Attribute issue etc...
– Tom Stickel
Sep 17 '15 at 5:49
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Case objects vs Enumerations in Scala
...xtends Enumeration {
val GBP = Value("GBP")
val EUR = Value("EUR") //etc.
}
Then you can do:
val ccy = Currency.withName("EUR")
This is useful when wishing to persist enumerations (for example, to a database) or create them from data residing in files. However, I find in general that enumer...