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Common MySQL fields and their appropriate data types
I am setting up a very small MySQL database that stores, first name, last name, email and phone number and am struggling to find the 'perfect' datatype for each field. I know there is no such thing as a perfect answer, but there must be some sort of common convention for commonly used fields such as...
How do you create a read-only user in PostgreSQL?
...les) created by the user that issued this command: although it can also be set on any role that the issuing user is a member of. However, you don't pick up default privileges for all roles you're a member of when creating new objects... so there's still some faffing around. If you adopt the approach...
Is there a goto statement in Java?
...think that my logic implies everything would be a keyword. There's a small set of keywords in use across many programming languages that can usefully be detected and handled in Java. Java reserved goto and const reflecting its C/C++ heritage but they remain unimplemented (although there have been de...
How to delete multiple buffers in Vim?
Assuming I have multiple files opened as buffers in Vim. The files have *.cpp , *.h and some are *.xml . I want to close all the XML files with :bd *.xml . However, Vim does not allow this (E93: More than one match...).
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Syntax error on print with Python 3 [duplicate]
Why do I receive a syntax error when printing a string in Python 3?
3 Answers
3
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Keeping it simple and how to do multiple CTE in a query
I have this simple T-SQL query, it emits a bunch of columns from a table and also joins information from other related tables.
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Extract every nth element of a vector
I would like to create a vector in which each element is the i+6th element of another vector.
4 Answers
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Unable to install R package in Ubuntu 11.04 [closed]
I'm new to Linux and R.
2 Answers
2
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How to go back to previous opened file in Vim? [duplicate]
I can use gf to go to the file with name under/after cursor, is there any command to go back to the original file without relaunch vim to open it?
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fstream默认不支持中文路径和输出整数带逗号的解决办法 - C/C++ - 清泛网 -...
...径中带有中文,则创建一般会失败。如下面代码:view plain#include<iostream>#include<fstream...我们用fstream来创建一个新文件,如果文件路径中带有中文,则创建一般会失败。如下面代码:
#include <iostream>
#include <fstream>
#include <string>
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