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eval command in Bash and its typical uses
...ariable name, with some possible prefix and suffixes, but you can't have arbitrary bash syntax and in particular you can't use variable expansion. There is a way of saying “the value of the variable whose name is in this variable”, though:
echo ${!n}
one
$(…) runs the command specified insi...
How do I verify that an Android apk is signed with a release certificate?
...s :)
– Kirill Vashilo
Jan 30 '18 at 10:34
2
for verbose output use -v : ./apksigner verify --prin...
Running multiple TeamCity Agents on the same computer?
... existing service is overwritten". See confluence.jetbrains.com/display/TCD10//…\
– rsenna
Mar 5 '18 at 13:21
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Automating “enter” keypresses for bash script generating ssh keys
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edited Sep 8 '10 at 13:23
answered Sep 7 '10 at 14:42
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What does cherry-picking a commit with Git mean?
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Philip FouriePhilip Fourie
90.7k1010 gold badges5757 silver badges7979 bronze badges
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Pointer to pointer clarification
...12345678 and its buddy j with value 6 ends up just after it. Assuming a 32-bit CPU where int is 4 bytes and pointers are 4 bytes, then the variables are stored in physical memory like this:
Address Data Meaning
0x12345678 00 00 00 05 // The variable i
0x1234567C 00 00 00 06 //...
Rails 3 check if attribute changed
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Peter BrownPeter Brown
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Fastest way(s) to move the cursor on a terminal command line?
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110
Since this hasn't been closed yet, here are a few more options.
Use Ctrl+x followed by Ctrl+e...
Android: How to stretch an image to the screen width while maintaining aspect ratio?
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answered Jun 8 '10 at 13:38
Bob LeeBob Lee
1,95311 gold badge1212 silver badges88 bronze badges
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How does MongoDB sort records when no sort order is specified?
...I run the same find command: db.collection.find({"x":y}).skip(20000).limit(1000) at two different points in time, I'll get different result sets? What happens if the there have been no writes in between the two commands?
– saurabhj
Jul 22 '12 at 10:00
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