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Name node is in safe mode. Not able to leave
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213
In order to forcefully let the namenode leave safemode, following command should be executed:
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How to compare two Dates without the time portion?
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213
Update: while Joda Time was a fine recommendation at the time, use the java.time library from J...
Specifying an Index (Non-Unique Key) Using JPA
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11 Answers
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Comparing Dates in Oracle SQL
...to get it to display the number of employees that are hired after June 20, 1994,
But I get an error saying "JUN' invalid identifier. Please help, thanks!
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No “pull” in Git Gui?
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111
Well, I found this useful forum post:
http://git.661346.n2.nabble.com/No-quot-pull-quot-in-git...
How to find out which fonts are referenced and which are embedded in a PDF document
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pdffonts command line tool originally from Xpdf, now part of Poppler.
This tool is available...
How to find children of nodes using BeautifulSoup
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Try this
li = soup.find('li', {'class': 'text'})
children = li.findChildren("a" , recursive=F...
How To Check If A Key in **kwargs Exists?
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170
You want
if 'errormessage' in kwargs:
print("found it")
To get the value of errormessag...
What are the rules for calling the superclass constructor?
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10 Answers
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What are database normal forms and can you give examples? [closed]
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1NF is the most basic of normal forms - each cell in a table must contain only one piece of information, and there can be no duplicate rows.
2NF and 3NF are all about being dependent on the primary key. Recall that a primary...