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How to get the last N rows of a pandas DataFrame?

... dataframe df1 and df2 (df1 is vanila dataframe, df2 is indexed by 'STK_ID' & 'RPT_Date') : 3 Answers ...
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Remove HTML Tags in Javascript with Regex

... +1 thanks. this one liner woked perfect for my needs. console.log( my_html.replace(/( |<([^>]+)>)/ig, "") ); – DaveAlger May 3 '15 at 0:29 add a commen...
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Determine if an object property is ko.observable

...ce) { if ((instance === null) || (instance === undefined) || (instance.__ko_proto__ === undefined)) return false; if (instance.__ko_proto__ === ko.dependentObservable) return true; return ko.isComputed(instance.__ko_proto__); // Walk the prototype chain }; UPDATE: If you are using KO 2...
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Name node is in safe mode. Not able to leave

...o in the start-up phase. Read more here; hadoop.apache.org/docs/stable/hdfs_user_guide.html#Safemode – Amar Apr 4 '13 at 11:30 2 ...
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Get operating system info

...from an answer on SO https://stackoverflow.com/a/15497878/ <?php $user_agent = $_SERVER['HTTP_USER_AGENT']; function getOS() { global $user_agent; $os_platform = "Unknown OS Platform"; $os_array = array( '/windows nt 10/i' => 'Windows 10'...
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Pythonic way to combine FOR loop and IF statement

...>>> xyz = [0, 12, 4, 6, 242, 7, 9] >>> >>> known_things = sorted(set(a.iterkeys()).intersection(xyz)) >>> unknown_things = sorted(set(xyz).difference(a.iterkeys())) >>> >>> for thing in known_things: ... print 'I know about', a[thing] ... I k...
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Circular list iterator in Python

... Or you can do like this: conn = ['a', 'b', 'c', 'd', 'e', 'f'] conn_len = len(conn) index = 0 while True: print(conn[index]) index = (index + 1) % conn_len prints a b c d e f a b c... forever share ...
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mongodb/mongoose findMany - find all documents with IDs listed in array

I have an array of _ids and I want to get all docs accordingly, what's the best way to do it ? 5 Answers ...
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mysql_config not found when installing mysqldb python interface

...but it is not mysql itself. And apparently mySQLdb needs the command 'mysql_config', so you need to install that first. Can you confirm that you did or did not install mysql itself, by running "mysql" from the shell? That should give you a response other than "mysql: command not found". Which lin...
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How do I spool to a CSV formatted file using SQLPLUS?

... numbers (avoid scientific notation on IDs) spool myfile.csv select table_name, tablespace_name from all_tables where owner = 'SYS' and tablespace_name is not null; Output will be like: TABLE_PRIVILEGE_MAP ,SYSTEM SYSTEM_PRIVILEGE_MAP ,S...