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Static constant string (class member)
...e inline variables:
class A {
private:
static inline const std::string my_string = "some useful string constant";
};
Note that this is different from abyss.7's answer: This one defines an actual std::string object, not a const char*
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How to return a value from __init__ in Python?
...other object when a class is called, then use the __new__() method:
class MyClass(object):
def __init__(self):
print "never called in this case"
def __new__(cls):
return 42
obj = MyClass()
print obj
...
How to add extension methods to Enums
...ooking to create a extension to almost exactly what you sample did, except my use DisplayAttribute Localized GetDescription. cheers
– George
Dec 29 '17 at 13:41
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How to pass command line arguments to a shell alias? [duplicate]
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@kaizer1v, My observation on CentOS7.3 bash version 4.2.46 is that your suggestion doesn't work as you think it does. Because you are using double quotes the $1 is actually being evaluated to an empty string and the alias is actually t...
Create a .csv file with values from a Python list
...
import csv
with open(..., 'wb') as myfile:
wr = csv.writer(myfile, quoting=csv.QUOTE_ALL)
wr.writerow(mylist)
Edit: this only works with python 2.x.
To make it work with python 3.x replace wb with w (see this SO answer)
with open(..., 'w', newline=...
How do I enable the column selection mode in Eclipse?
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alt+shift+a is not working in my eclipse. how to enable it from the eclipse?
– Yog Guru
Dec 30 '11 at 9:53
2
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How can I get the concatenation of two lists in Python without modifying either one? [duplicate]
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@Johan, my vote for shortest answer. Nobody noticed that > marked as duplicate by Community♦ May 11 '15 at 17:15 < was added in 2015?! What happend to the SOF search engine back in November/December 2010? It could have been ...
python-pandas and databases like mysql
...ing a DBI compatible library. We can look at two short examples using the MySQLdb and cx_Oracle libraries to connect to Oracle and MySQL and query their data dictionaries. Here is the example for cx_Oracle:
import pandas as pd
import cx_Oracle
ora_conn = cx_Oracle.connect('your_connection_string'...
Best practices/performance: mixing StringBuilder.append with String.concat
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@ColinD : +1. Just modified my snippet.
– user973999
Apr 9 '12 at 20:08
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Is it possible to program iPhone in C++
... is "insane" is humorous- I have the Bjarne Stroustrup C++ book sitting by my side which clocks in at 1020 pages. Apple's PDF on Objective-C is 141.
If you want to use UIKit it will be very, very difficult for you to do anything in C++. Any serious iPhone app that conforms to Apple's UI will need...