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How to pipe input to a Bash while loop and preserve variables after loop ends
...hopt -s lastpipe # Comment this out to see the alternative behaviour
sum=0
echo "$FILECONTENT" |
while read number name; do ((sum+=$number)); done
echo $sum
Doing this at the command line usually runs foul of 'job control is not active' (that is, at the command line, job control is active). Test...
Understanding Linux /proc/id/maps
... following fields:
address perms offset dev inode pathname
08048000-08056000 r-xp 00000000 03:0c 64593 /usr/sbin/gpm
address - This is the starting and ending address of the region in the process's address space
permissions - This describes how pages in the region can be accesse...
setting multiple column using one update
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answered Sep 8 '10 at 12:00
PekkaPekka
408k128128 gold badges907907 silver badges10481048 bronze badges
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What is .sln.docstates file created by Visual Studio Productivity Power Tools?
Visual Studio Productivity Power Tools Version 10.0.20427.1, updated 10 May 2011, is creating a .sln.docstates file.
1 Answ...
Format an Integer using Java String Format
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Use %03d in the format specifier for the integer. The 0 means that the number will be zero-filled if it is less than three (in this case) digits.
See the Formatter docs for other modifiers.
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How to verify that method was NOT called in Moq?
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answered Feb 11 '09 at 16:13
Dan FishDan Fish
2,24211 gold badge1414 silver badges88 bronze badges
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How do you specify command line arguments in Xcode 4?
...cut cmd + < works too. (Default shortcut)
On Xcode 7 (updated), XCode 10.1
Shortcut : Shift + cmd + <
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Are there other whitespace codes like   for half-spaces, em-spaces, en-spaces etc useful in HTML
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390
Yes, many.
Including, but not limited to:
non breaking space : &#160; or &nbsp;
narro...
Maximum number of characters using keystrokes A, Ctrl+A, Ctrl+C and Ctrl+V
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There's a dynamic programming solution. We start off knowing 0 keys can make us 0 A's. Then we iterate through for i up to n, doing two things: pressing A once and pressing select all + copy followed by paste j times (actually j-i-1 below; note the trick here: the contents are still in...
Git: How to reuse/retain commit messages after 'git reset'?
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git commit -C HEAD@{1}
You can use the other options given by @user2718704.
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