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Combine two data frames by rows (rbind) when they have different sets of columns
Is it possible to row bind two data frames that don't have the same set of columns? I am hoping to retain the columns that do not match after the bind.
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Reading a string with scanf
I'm a little bit confused about something. I was under the impression that the correct way of reading a C string with scanf() went along the lines of
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Erlang's 99.9999999% (nine nines) reliability
Erlang was reported to have been used in production systems for over 20 years with an uptime percentage of 99.9999999%.
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“git rm --cached x” vs “git reset head -- x”?
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There are three places where a file, say, can be - the tree, the index and the working copy. When you just add a file to a folder, you are adding it to the working copy.
When you do something like git add file you add it to the index. And when you commit it, you add it to the tree as well...
Detect all Firefox versions in JS
How to detect Firefox in JavaScript?
I want to detect all versions of Firefox.
7 Answers
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Clicking a button within a form causes page refresh
I have a form in Angular that has two buttons tags in it. One button submits the form on ng-click . The other button is purely for navigation using ng-click . However, when this second button is clicked, AngularJS is causing a page refresh which triggers a 404. I’ve dropped a breakpoint in the f...
Sort Dictionary by keys
I want to sort a dictionary in Swift. I have a dictionary like:
14 Answers
14
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How do write IF ELSE statement in a MySQL query
How do I write an IF ELSE statement in a MySQL query?
5 Answers
5
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Checking if a blob exists in Azure Storage
I've got a very simple question (I hope!) - I just want to find out if a blob (with a name I've defined) exists in a particular container. I'll be downloading it if it does exist, and if it doesn't then I'll do something else.
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How to strip leading “./” in unix “find”?
prints out
7 Answers
7
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