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python-pandas and databases like mysql
...ndas as pd
import cx_Oracle
ora_conn = cx_Oracle.connect('your_connection_string')
df_ora = pd.read_sql('select * from user_objects', con=ora_conn)
print 'loaded dataframe from Oracle. # Records: ', len(df_ora)
ora_conn.close()
And here is the equivalent example for MySQLdb:
import MySQLdb
m...
Convert String array to ArrayList [duplicate]
I want to convert String array to ArrayList . For example String array is like:
5 Answers
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Scanner vs. StringTokenizer vs. String.Split
...va's Scanner class and now I'm wondering how it compares/competes with the StringTokenizer and String.Split. I know that the StringTokenizer and String.Split only work on Strings, so why would I want to use the Scanner for a String? Is Scanner just intended to be one-stop-shopping for spliting?
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Why is there no String.Empty in Java?
I understand that every time I type the string literal "" , the same String object is referenced in the string pool.
11 An...
Sending files using POST with HttpURLConnection
...e know.
Input data:
Bitmap bitmap = myView.getBitmap();
Static stuff:
String attachmentName = "bitmap";
String attachmentFileName = "bitmap.bmp";
String crlf = "\r\n";
String twoHyphens = "--";
String boundary = "*****";
Setup the request:
HttpURLConnection httpUrlConnection = null;
URL url...
How to add a string to a string[] array? There's no .Add function
I'd like to convert the FI.Name to a string and then add it to my array. How can I do this?
13 Answers
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Find which commit is currently checked out in Git
...iece of information, you can get that using git show with the --format=<string> option...and ask it not to give you the diff with --no-patch. This means you can get a printf-style output of whatever you want, which might often be a single field.
For instance, to get just the shortened hash (...
Android Bitmap to Base64 String
...I convert a large Bitmap (photo taken with the phone's camera) to a Base64 String?
7 Answers
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Regex for splitting a string using space when not surrounded by single or double quotes
...elp. I'm trying to put together an expression that will split the example string using all spaces that are not surrounded by single or double quotes. My last attempt looks like this: (?!") and isn't quite working. It's splitting on the space before the quote.
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UILabel with text of two different colors
I want to display a string like this in a UILabel :
20 Answers
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