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How to check if running as root in a bash script
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I know that from the terminal, when I forget to prefix something with sudo I can simply type sudo !! and it does the work for me, rather than pressing the UP arrow, going to the beginning of the line, and adding sudo by hand. N...
Removing pip's cache?
...pip maintainer) is stackoverflow.com/a/61762308/1931274. The best approach now is pip cache purge.
– pradyunsg
May 12 at 22:53
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Weird PHP error: 'Can't use function return value in write context'
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Phew, thx man! Now, if the parser would say "I expected square brackets after an array variable's name, duh!", it would sound much cooler than "Can't use function return value in write context." I might submit that to the PHP guys as a sugg...
How do I display the current value of an Android Preference in the Preference summary?
...f another loop in onCreate(). Change in behavior: nested PreferenceScreens now also ge handled recursively.
– Lekensteyn
Jun 3 '14 at 12:31
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Java: Get last element after split
...dex = str.lastIndexOf('/');
String lastString = str.substring(index +1);
Now lastString has the value "directory"
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The transaction log for the database is full
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As I recall now, the additional file mostly enabled us to access another, bigger drive.
– Mike Henderson
Jul 16 '13 at 11:49
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How to get the HTML for a DOM element in javascript
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Now that it's 2013, calling "domnode.outerHTML" works on all major browsers (FF since v11)
– Kevin
Oct 31 '13 at 17:23
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Deleting a Google App Engine application
...under Administration.
Click Disable Application.
Click Disable Application Now.
If you want to delete your app:
If billing is enabled for your app, disable billing. You aren't allowed to delete before you do this.
Click Request Permanent Deletion. The application will be deleted in approximately 7...
Get visible items in RecyclerView
I need to know which elements are currently displayed in my RecyclerView. There is no equivalent to the OnScrollListener.onScroll(...) method on ListViews. I tried to work with View.getGlobalVisibleRect(...) , but that hack is too ugly and does not always work too.
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Find column whose name contains a specific string
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Just iterate over DataFrame.columns, now this is an example in which you will end up with a list of column names that match:
import pandas as pd
data = {'spike-2': [1,2,3], 'hey spke': [4,5,6], 'spiked-in': [7,8,9], 'no': [10,11,12]}
df = pd.DataFrame(data)
s...