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What is a proper naming convention for MySQL FKs?
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Example:
CREATE TABLE users(
user_id int,
name varchar(100)
);
CREATE TABLE messages(
message_id int,
user_id int
);
ALTER TABLE messages ADD CONSTRAINT fk_messages_users_user_id
FOREIGN KEY (user_id) REFERENCES users(user_id);
I try to stick with the same fiel...
How to get a reference to current module's attributes in Python
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answered Jun 13 '09 at 10:01
Maciej PasternackiMaciej Pasternacki
2,48622 gold badges1818 silver badges1414 bronze badges
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What is the difference between NaN and None?
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109
NaN is used as a placeholder for missing data consistently in pandas, consistency is good. I us...
In Java, what is the best way to determine the size of an object?
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470
You can use the java.lang.instrument package
Compile and put this class in a JAR:
import java....
Maven2: Best practice for Enterprise Project (EAR file)
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So as an example you might do something like this:
<?xml version="1.0" encoding="utf-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.x...
Is #pragma once part of the C++11 standard?
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109
#pragma once is not standard. It is a widespread (but not
universal) extension, which can be u...
SSL Error When installing rubygems, Unable to pull data from 'https://rubygems.org/
...Find path for certificate:
cert_file=$(ruby -ropenssl -e 'puts OpenSSL::X509::DEFAULT_CERT_FILE')
Generate certificate:
security find-certificate -a -p /Library/Keychains/System.keychain > "$cert_file"
security find-certificate -a -p /System/Library/Keychains/SystemRootCertificates.keychain &...
Differences between Agda and Idris
... edited Nov 3 '19 at 16:59
user2023370
9,12644 gold badges3737 silver badges7171 bronze badges
answered Feb 27 '12 at 23:35
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Determining type of an object in ruby
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edited Nov 10 '17 at 21:10
answered Apr 2 '13 at 16:53
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