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What's the safest way to iterate through the keys of a Perl hash?
If I have a Perl hash with a bunch of (key, value) pairs, what is the preferred method of iterating through all the keys? I have heard that using each may in some way have unintended side effects. So, is that true, and is one of the two following methods best, or is there a better way?
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Convert HttpPostedFileBase to byte[]
...am - but I'd avoid relying on all the data being available in a single go. If you're using .NET 4 this is simple:
MemoryStream target = new MemoryStream();
model.File.InputStream.CopyTo(target);
byte[] data = target.ToArray();
It's easy enough to write the equivalent of CopyTo in .NET 3.5 if you ...
What is a unix command for deleting the first N characters of a line?
...un essentially that command, 'cut' doesn't print the results to stdout ... if i just run 'tail -f logfile | cut -c 5-' i can see the results ... the problem must be with grep i'm using cygwin FYI thanks
– les2
Jun 9 '09 at 19:15
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Converting an int to std::string
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std::to_string() does not work in MinGW, if anyone cares.
– Archie
Nov 9 '15 at 8:55
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How to write binary data to stdout in python 3?
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Messes up order of writes when writing to stderr if using along with print(file=sys.stderr).
– Kotauskas
Jul 19 '19 at 10:16
add a comment
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Convert string to binary in python
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Or if you want each binary number to be 1 byte: ' '.join(format(ord(i),'b').zfill(8) for i in st)
– ChrisProsser
Sep 15 '13 at 18:39
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Comments in command-line Zsh
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You can also do set -k if it's just a one off. But I'd use the setopt line from this answer in my zshrc
– Hamish Downer
Aug 25 '13 at 15:08
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Curly braces in string in PHP
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too much anal nitpicking about copy/paste. If it makes it easy to understand/find, then it was a good decision. +1 from me, it was exactly what I was looking for, and I did not find it on the PHP manual - maybe because they call it by the proper name, or whatever. Bu...
How can I remove a flag in C?
... @Dennis I thought XOR would work to remove an already set flag. notification.sound ^= Notification.DEFAULT_SOUND;
– likejudo
Apr 14 '14 at 9:56
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Backing beans (@ManagedBean) or CDI Beans (@Named)?
...it, just a no-arg constructor?) with CDI, while I have to use @ManagedBean if I want to inject it with plain JSF?
– Matt Ball
Dec 3 '10 at 16:41
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