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Delete rows from a pandas DataFrame based on a conditional expression involving len(string) giving K
... copy of a slice from a DataFrame" warning.
– PlasmaBinturong
Mar 23 '19 at 16:38
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BestPractice - Transform first character of a string into lower case
...ng without first letter. Then i will add this string to first char that is converted to lower case
– fedotoves
Aug 25 '10 at 11:34
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Pretty Printing a pandas dataframe
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You can use prettytable to render the table as text. The trick is to convert the data_frame to an in-memory csv file and have prettytable read it. Here's the code:
from StringIO import StringIO
import prettytable
output = StringIO()
data_frame.to_csv(output)
output.seek(0)
pt = prettytab...
C++ wait for user input [duplicate]
...tem("pause") (need #include <iostream>).
PS: This method will also print Press any key to continue . . . on the screen. (seems perfect choice for you :))
Edit: As discussed here, There is no completely portable solution for this. Question 19.1 of the comp.lang.c FAQ covers this in some dept...
Python TypeError: not enough arguments for format string
...', '{1}', '{2}', '{3}', '{4}', '{5}', '{6}'".format(softname, procversion, int(percent), exe, description, company, procurl)
This also fixes the error that you happened to have.
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SQLite add Primary Key
... is to create a new table with the correct requirements and copy your data into it, then drop the old table.
here is the official documentation about this: http://sqlite.org/faq.html#q11
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Java Pass Method as Parameter
... of Java 8, lambda expressions are a nice solution as other answers have pointed out. The answer below was written for Java 7 and earlier...
Take a look at the command pattern.
// NOTE: code not tested, but I believe this is valid java...
public class CommandExample
{
public interface Comma...
?? Coalesce for empty string?
...ake one that returns the value or a default:
string result = s.SiteNumber.ConvertNullOrEmptyTo("No Number");
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What is the meaning of “__attribute__((packed, aligned(4))) ”
... Consider the following structure:
typedef struct
{
char Data1;
int Data2;
unsigned short Data3;
char Data4;
}sSampleStruct;
sizeof(sSampleStruct) will be 12 rather than 8. Because of structure padding. By default, In X86, structures will be padded to 4-byte alignment:
type...
Python csv string to array
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You can convert a string to a file object using io.StringIO and then pass that to the csv module:
from io import StringIO
import csv
scsv = """text,with,Polish,non-Latin,letters
1,2,3,4,5,6
a,b,c,d,e,f
gęś,zółty,wąż,idzie,wą...