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What is the most effective way to get the index of an iterator of an std::vector?
I'm iterating over a vector and need the index the iterator is currently pointing at. AFAIK this can be done in two ways:
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“VT-x is not available” when i start my Virtual machine [closed]
I have created a virtual machine using the VMWare software and getting an error while starting the Virtual Machine. It says "VT-x is not available:
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sometimes my file just freezes in my vi |vim, what happened?
...~/.bashrc enables Ctrl-q in terminals. In my case, Ctrl-s was freezing Vim and I could not get back to it ... until I made that .bashrc modification. Details here: superuser.com/a/1328326/409327
– Victoria Stuart
Mar 1 at 18:47
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git reset --hard HEAD leaves untracked files behind
...'s supposed to reset to a pristine version of what you pulled, as I understand it. Unfortunately, it leaves files lying around, as a git status shows a big list of untracked files.
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Is DateTime.Now the best way to measure a function's performance?
I need to find a bottleneck and need to accurately as possible measure time.
15 Answers
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How to clone an InputStream?
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If all you want to do is read the same information more than once, and the input data is small enough to fit into memory, you can copy the data from your InputStream to a ByteArrayOutputStream.
Then you can obtain the associated array of bytes and open as many "cloned" ByteArrayInputStreams...
AES vs Blowfish for file encryption
...d generally recommend AES. My next choices would probably be Serpent, MARS and Twofish in that order. Blowfish would come somewhere after those (though there are a couple of others that I'd probably recommend ahead of Blowfish).
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Calling async method synchronously
...ary method or
explicitly execute your async method in a thread pool thread and wait for it to finish:
string code = Task.Run(GenerateCodeAsync).Result;
This does not mean that you should just mindlessly add .ConfigureAwait(false) after all your async calls! For a detailed analysis on why and whe...
How to debug Apache mod_rewrite
...ite.log"
RewriteLogLevel 3
Since Apache httpd 2.4 mod_rewrite RewriteLog and RewriteLogLevel directives has been completely replaced by the new per-module logging configuration.
LogLevel alert rewrite:trace6
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What is the best way to clone/deep copy a .NET generic Dictionary?
...uctor overload to Dictionary which takes an existing IDictionary" is fine, and already in my answer. If the values do need to be cloned, then the answer you've linked to doesn't help at all.
– Jon Skeet
Apr 15 '19 at 13:55
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