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Multiplication on command line terminal
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Yes, you can use bash's built-in Arithmetic Expansion $(( )) to do some simple maths
$ echo "$...
how do you push only some of your local git commits?
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edited Mar 3 '09 at 17:25
answered Mar 2 '09 at 23:31
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Python != operation vs “is not”
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== is an equality test. It checks whether the right hand side and the left hand side are equal o...
How to align a to the middle (horizontally/width) of the page [duplicate]
I have a div tag with width set to 800 pixels . When the browser width is greater than 800 pixels , it shouldn't stretch the div , but it should bring it to the middle of the page.
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How can I discard remote changes and mark a file as “resolved”?
...rián Černý
11.9k44 gold badges5656 silver badges7070 bronze badges
answered Jan 15 '10 at 18:29
Brian CampbellBrian Campbell
27...
How to add a changed file to an older (not last) commit in Git
...se git stash to store the changes you want to add.
Use git rebase -i HEAD~10 (or however many commits back you want to see).
Mark the commit in question (a0865...) for edit by changing the word pick at the start of the line into edit. Don't delete the other lines as that would delete the commits.[^v...
Number of days between two dates in Joda-Time
...e places), which Days.daysBetween doesn't handle properly.
// 5am on the 20th to 1pm on the 21st, October 2013, Brazil
DateTimeZone BRAZIL = DateTimeZone.forID("America/Sao_Paulo");
DateTime start = new DateTime(2013, 10, 20, 5, 0, 0, BRAZIL);
DateTime end = new DateTime(2013, 10, 21, 13, 0, 0, BRA...
What is the difference between “#!/usr/bin/env bash” and “#!/usr/bin/bash”?
...even less portable and break on fairly recent systems (e.g. even Ubuntu 16.04 if not later).
Another downside is that since you aren't calling an explicit executable, it's got the potential for mistakes, and on multiuser systems security problems (if someone managed to get their executable called b...
What is the logic behind the “using” keyword in C++?
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In C++11, the using keyword when used for type alias is identical to typedef.
7.1.3.2
A typedef...
Why does Java switch on contiguous ints appear to run faster with added cases?
...gram logic. Part of this code involves multiplying double variables by 10 raised to arbitrary non-negative int exponent s. One fast way (edit: but not the fastest possible, see Update 2 below) to get the multiplied value is to switch on the exponent :
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