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Removing item from vector, while in C++11 range 'for' loop?
I have a vector of IInventory*, and I am looping through the list using C++11 range for, to do stuff with each one.
12 Answ...
Difference between BeautifulSoup and Scrapy crawler?
I want to make a website that shows the comparison between amazon and e-bay product price.
Which of these will work better and why? I am somewhat familiar with BeautifulSoup but not so much with Scrapy crawler .
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How to properly handle a gzipped page when using curl?
I wrote a bash script that gets output from a website using curl and does a bunch of string manipulation on the html output. The problem is when I run it against a site that is returning its output gzipped. Going to the site in a browser works fine.
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Is there a Rake equivalent in Python?
Rake is a software build tool written in Ruby (like Ant or Make ), and so all its files are written in this language. Does something like this exist in Python?
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How does Facebook Sharer select Images and other metadata when sharing my URL?
...rom the source as a preview for their link. How are these images selected, and how can I ensure that any particular image on my page is always included in this list?
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R - Markdown avoiding package loading messages
I have been using Knitr via R-Studio, and think it is pretty neat. I have a minor issue though. When I source a file in an R-Chunk, the knitr output includes external comments as follows:
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LESS CSS nesting classes
I'm using LESS to improve my CSS and am trying to nest a class within a class. There's a fairly complicated hierarchy but for some reason my nesting doesn't work.
I have this:
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How do I add a submodule to a sub-directory?
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You go into ~/.janus and run:
git submodule add <git@github ...> snipmate-snippets/snippets/
If you need more information about submodules (or git in general) ProGit is pretty useful.
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How many parameters are too many? [closed]
... may need, but too many of them will make your routine difficult to understand and maintain.
34 Answers
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What is the proper way to check if a string is empty in Perl?
... comparisons in Perl, use eq or ne:
if ($str eq "")
{
// ...
}
The == and != operators are numeric comparison operators. They will attempt to convert both operands to integers before comparing them.
See the perlop man page for more information.
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