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How to speed up insertion performance in PostgreSQL
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See populate a database in the PostgreSQL manual, depesz's excellent-as-usual article on the topic, and this SO question.
(Note that this answer is about bulk-loading data into an existing DB or to create a new one. If you're interested DB restore performance with pg_restore or psql...
How to re-create database for Entity Framework?
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Excellent! This worked, thank you! Very helpful indeed. Are the steps similar for re-creating the deployment database (Azure SQL)?
– Toby Sharp
Dec 1 '13 at 16:01
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get list from pandas dataframe column
I have an excel document which looks like this..
7 Answers
7
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C# Interfaces. Implicit implementation versus Explicit implementation
... use explicit that others will post.
See the next post in this thread for excellent reasoning behind each.
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How can I check if character in a string is a letter? (Python)
...erty defined in the Unicode Standard.
In python2.x:
>>> s = u'a1中文'
>>> for char in s: print char, char.isalpha()
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a True
1 False
中 True
文 True
>>> s = 'a1中文'
>>> for char in s: print char, char.isalpha()
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a True
1 False
� False
� False
�...
RSpec: describe, context, feature, scenario?
... Sam is on point and here is a link with greater detail and excellent examples, specifically on the section for Capybara's built in DSL(Domain Specific Language): github.com/jnicklas/capybara#using-capybara-with-rspec
– SpartaSixZero
Sep 26 '16 a...
Create tap-able “links” in the NSAttributedString of a UILabel?
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I am extending @NAlexN original detailed solution, with @zekel excellent extension of UITapGestureRecognizer, and providing in Swift.
Extending UITapGestureRecognizer
extension UITapGestureRecognizer {
func didTapAttributedTextInLabel(label: UILabel, inRange targetRange: NSRange) ...
How can I read and parse CSV files in C++?
...n is not using anything but the standard C++11 library. It copes well with Excel CSV quotation:
spam eggs,"foo,bar","""fizz buzz"""
1.23,4.567,-8.00E+09
The code is written as a finite-state machine and is consuming one character at a time. I think it's easier to reason about.
#include <istre...
Getting the count of unique values in a column in bash
... This script was helpful for me to determine which rows in an Excel workbook I really needed to pay attention to :) (copied Excel contents to text file, use awk, and, voila!, I can make a pattern file for grep -n).
– Jubbles
Jan 19 '16 at 20:57
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Differences between Emacs and Vim
...ges while elisp doesn't resemble pretty much anything)
more extendible
excellent support for GNU tools (the bunch of them)
Personally, I prefer vim - it is small, does what it's supposed to do, and when I wish a full blown IDE I open VS. Emacs's approach of being an editor which wants to be an...