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How can I get the current user's username in Bash?
I am writing a program in Bash that needs to get the user's username.
12 Answers
12
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Default profile in Spring 3.1
In my application I have beans annotated with @Profile("prod") and @Profile("demo") .
The first one, as you can guess :), is used on beans that connect to production DB and second one annotates beans that use some fake DB ( HashMap or whatever)- to make development faster.
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How to calculate the time interval between two time strings
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I like how this guy does it — https://amalgjose.com/2015/02/19/python-code-for-calculating-the-difference-between-two-time-stamps.
Not sure if it has some cons.
But looks neat for me :)
from datetime import datetime
from dateutil.relativedelta import re...
How is an overloaded method chosen when a parameter is the literal null value?
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Source: https://docs.oracle.com/javase/specs/jls/se8/html/jls-15.html#jls-15.12.2.5
Concept: Most specific method
Explanation: If more than one member method is both accessible and applicable to a method invocation, it is necessar...
How to execute file I'm editing in Vi(m)
How to execute file that I'm editing in Vi(m) and get output in split window (like in SciTE)?
13 Answers
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trying to align html button at the center of the my page [duplicate]
I'm trying to align an HTML button exactly at the centre of the page irrespective of the browser used. It is either floating to the left while still being at the vertical centre or being somewhere on the page like at the top of the page etc..
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Look up all descendants of a class in Ruby
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Here is an example:
class Parent
def self.descendants
ObjectSpace.each_object(Class).select { |klass| klass < self }
end
end
class Child < Parent
end
class GrandChild < Child
end
puts Parent.descendants
puts Child.desce...
Can I make 'git diff' only the line numbers AND changed file names?
... calls for "line numbers", if you do not care about line numbers in the output see this question and answer.
10 Answers
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Select Last Row in the Table
...t file inserted into my table. I know that the method first() exists and provides you with the first file in the table but I don't know how to get the last insert.
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windbg 备忘Windbg：[||system_index ]|process_index:thread_index>system_index：0，本地活动的用户态调试；1，内核转储文件thread_index：kd，内核...Windbg：
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