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Any way to clear python's IDLE window?
...n console, but I do not know if they are the same. I tried system("clear") and it didn't work here.
25 Answers
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How to check if a particular service is running on Ubuntu
...ed Hat Linux you can see all running services by running the following command:
service --status-all
On the list the + indicates the service is running, - indicates service is not running, ? indicates the service state cannot be determined.
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How to select distinct rows in a datatable and store into an array
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if i have 2 columns "mo" and "name" i need to get the distinct "mo" but not the distinct "name" but i need to keep the column "name" in my datatable what shall i do?
– User7291
Dec 5 '13 at 9:01
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UITextField auto-capitalization type - iPhone App
...t doesn't help if you past text to field. In this case delegate text input and replace first letter of each word
– HotJard
Dec 10 '13 at 8:17
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How to print to console using swift playground?
...following the Apple Guide for their new language swift, but I don't understand why the bar on the right is only showing "Hello, playground" and not "Hello, world". Can someone explain why the println isn't being printed on the right?
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Switching to landscape mode in Android Emulator
...nd the solution myself after a couple hours of searching the documentation and Google. I set the orientation of my Android app to landscape in the AndroidManifest.xml file:
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Using the star sign in grep
...ou need to tell it what you repeat. /*abc*/ matches a string containing ab and zero or more c's (because the second * is on the c; the first is meaningless because there's nothing for it to repeat). If you want to match anything, you need to say .* -- the dot means any character (within certain guid...
Get: TypeError: 'dict_values' object does not support indexing when using python 3.2.3 [duplicate]
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In Python 3, dict.values() (along with dict.keys() and dict.items()) returns a view, rather than a list. See the documentation here. You therefore need to wrap your call to dict.values() in a call to list like so:
v = list(d.values())
{names[i]:v[i] for i in range(len(names)...
Extract a substring according to a pattern
...we create a data frame with two columns, one for the part before the colon and one for after, and then extract the latter.
library(dplyr)
library(tidyr)
library(purrr)
DF <- data.frame(string)
DF %>%
separate(string, into = c("pre", "post")) %>%
pull("post")
## [1] "E001" "E002" "E00...
CSS Child vs Descendant selectors
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Just think of what the words "child" and "descendant" mean in English:
My daughter is both my child and my descendant
My granddaughter is not my child, but she is my descendant.
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