- Understanding . get() method in Python - Stack Overflow
The sample code in your question is clearly trying to count the number of occurrences of each character: if it already has a count for a given character, get returns it (so it's just incremented by one), else get returns 0 (so the incrementing correctly gives 1 at a character's first occurrence in the string)
- List all environment variables from the command line
Get-ChildItem Env: Or as suggested by user797717 to avoid output truncation: Get-ChildItem Env: | Format-Table -Wrap -AutoSize Source: Creating and Modifying Environment Variables (Windows PowerShell Tip of the Week)
- https connection using CURL from command line - Stack Overflow
You need the certificates chain and not a single certificate It is easy to get it using Firefox: Open the url in Firefox Click on the security icon on the address box left to the url Click on Connection secure → More information Under the security tab, select View certificate, scroll toward the end
- database - How to show tables in PostgreSQL? - Stack Overflow
Then we can get to postgresql shell by using following command:-psql You can now check all the databases list by using the following command:-\l If you would like to check the sizes of the databases as well use:-\l+ Press q to go back Once you have found your database now you can connect to that database using the following command:-
- How to show all columns names on a large pandas dataframe?
To get all column name you can iterate over the data_all2 columns columns = data_all2 columns for col in columns: print col You will get all column names Or you can store all column names to another list variable and then print list
- sql - How to Select Top 100 rows in Oracle? - Stack Overflow
First, to just get the first N rows in a table regardless of any ordering this will work: SELECT * FROM Order WHERE ROWNUM <= N; But say you want to get the last 50 orders? SELECT * FROM Order WHERE ROWNUM <=N ORDER BY Created_date DESC; This would actually retrieve the first N rows then sort them by the Created_Date
- sql - How to select only the first rows for each unique value of a . . .
In the table, one customer like John Smith can have multiple addresses I need the SELECT query for this table to return only first row found where there are duplicates in 'CName'
- Converting pfx to pem using openssl - Stack Overflow
I havent spent the time to get intimately familiar with openssl, but the pem conversion was not including the private key The edit provided the detail on how to merge the cert and key into one pem file, just what I needed –
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