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What does f+++++++++ mean in rsync logs?

I'm using rsync to make a backup of my server files, and I have two questions: 4 Answers ...
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How should one use std::optional?

I'm reading the documentation of std::experimental::optional and I have a good idea about what it does, but I don't understand when I should use it or how I should use it. The site doesn't contain any examples as of yet which leaves it harder for me to grasp the true concept of this object. When...
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Get file name from URL

... In version commons-io 2.2 at least you still need to manually handle URLs with parameters. E.g. "example.com/file.xml?date=2010-10-20" – Luke Quinane Aug 13 '13 at 5:14 ...
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CSS to make HTML page footer stay at bottom of the page with a minimum height, but not overlap the p

... for dynamic content just omit the "height" and the footer will adapt to content. Not tested in all browser – m47730 Sep 23 '15 at 7:58 ...
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How to tell if node.js is installed or not

I've recently installed node.js and I have no idea how to run applications. I installed node.js but couldn't find further instructions. What does one really need to do? I wanted to see if it was actually working. So I executed a script called hello.js. It went as such: ...
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How do I print the elements of a C++ vector in GDB?

..., 30} To achieve above, you need to have gdb 7 (I tested it on gdb 7.01) and some python pretty-printer. Installation process of these is described on gdb wiki. What is more, after installing above, this works well with Eclipse C++ debugger GUI (and any other IDE using GDB, as I think). ...
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How do I find where JDK is installed on my windows machine?

...ava -> /System/Library/Frameworks/JavaVM.framework/Versions/Current/Commands/java If you are using Windows: c:\> for %i in (java.exe) do @echo. %~$PATH:i share | improve this answer ...
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Sending mail from Python using SMTP

...www1.cs.columbia.edu/~db2501/ssmtplib.py) As in your script, the username and password, (given dummy values below), used to authenticate on the SMTP server, are in plain text in the source. This is a security weakness; but the best alternative depends on how careful you need (want?) to be about pro...
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Unzipping files in Python

I read through the zipfile documentation , but couldn't understand how to unzip a file, only how to zip a file. How do I unzip all the contents of a zip file into the same directory? ...
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Read binary file as string in Ruby

I need an easy way to take a tar file and convert it into a string (and vice versa). Is there a way to do this in Ruby? My best attempt was this: ...