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How to view files in binary from bash?
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507
xxd does both binary and hexadecimal.
bin:
xxd -b file
hex:
xxd file
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AES Encryption for an NSString on the iPhone
...encoding:NSUTF8StringEncoding] UTF8String]);
[pool drain];
return 0;
}
Given this code, and the fact that encrypted data will not always translate nicely into an NSString, it may be more convenient to write two methods that wrap the functionality you need, in forward and reverse...
- (NS...
How does functools partial do what it does?
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edited Mar 11 '13 at 10:11
answered Mar 11 '13 at 5:35
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Formatting a number with leading zeros in PHP [duplicate]
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Use sprintf :
sprintf('%08d', 1234567);
Alternatively you can also use str_pad:
str_pad($value, 8, '0', STR_PAD_LEFT);
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Amazon EC2, mysql aborting start because InnoDB: mmap (x bytes) failed; errno 12
...h a Micro instance running.
Run dd if=/dev/zero of=/swapfile bs=1M count=1024
Run mkswap /swapfile
Run swapon /swapfile
Add this line /swapfile swap swap defaults 0 0 to /etc/fstab
Step 4 is needed if you would like to automatically enable swap file after each reboot.
Some useful command related t...
Sell me on const correctness
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answered Sep 25 '08 at 23:40
Jordan ParmerJordan Parmer
31.6k2626 gold badges9090 silver badges117117 bronze badges
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How can I group by date time column without taking time into consideration
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OdedOded
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Get day of week in SQL Server 2005/2008
If I have a date 01/01/2009, I want to find out what day it was e.g. Monday, Tuesday, etc...
10 Answers
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How to turn on line numbers in IDLE?
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edited Jun 20 at 9:12
Community♦
111 silver badge
answered Sep 14 '13 at 19:02
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