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What does iterator->second mean?
... it = m.begin();
Here, if you now do *it, you will get the the std::pair for the first element in the map.
Now the type std::pair gives you access to its elements through two members: first and second. So if you have a std::pair<X, Y> called p, p.first is an X object and p.second is a Y obj...
Magic number in boost::hash_combine
...ory is super super useful. It's not like a hammer where it's rather useful for a large number of things. Instead, it's like a scalpel being extremely useful for a small number of things.
– corsiKa
Aug 16 '13 at 19:44
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GitHub - List commits by author
...nd ?author=<theusername> or ?author=<emailaddress> to the URL. For example, https://github.com/jquery/jquery/commits/master?author=dmethvin or https://github.com/jquery/jquery/commits/master?author=dave.methvin@gmail.com both give me:
For authors without a GitHub account, only filteri...
Windows batch: call more than one command in a FOR loop?
...ossible in Windows batch file to call more than one command in a single FOR loop? Let's say for example I want to print the file name and after delete it:
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Getting a 'source: not found' error when using source in a bash script
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That fixes it. (changing /bin/sh to /bin/bash). For some reason the environment is not activated in the CLI when the script finishes, but that's a minor problem.
– Chris Lawlor
Mar 22 '09 at 0:29
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How do you stretch an image to fill a while keeping the image's aspect-ratio?
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Can the user see the image before the resize? Anyone tested this?
– RayLoveless
Aug 19 '11 at 16:59
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CSS Selector that applies to elements with two classes
...sed on the value of the class attribute being set to two specific classes. For example, let's say I have 3 divs:
1 Answer
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Is it possible for a unit test to assert that a method calls sys.exit()
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+1, as for checking error code it's far simpler to do just: self.assertRaisesRegex( SystemExit, '^2$', testMethod ) Less code, readable enough.
– Marek Lewandowski
Apr 11 '15 at 23:29
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Alter Table Add Column Syntax
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@ethanbustad It is also valid for DB2 and Postgres.
– ᴠɪɴᴄᴇɴᴛ
Sep 2 '16 at 14:39
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How do you convert Html to plain text?
...tml stored in a table. Not entire pages, no tags or the like, just basic formatting.
19 Answers
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