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How do I replace NA values with zeros in an R dataframe?

...u post it and not worked. Because this I posted the question. But I tried know and worked perfectly. I think I was doing something wrong. – Renato Dinhani Nov 17 '11 at 14:08 12 ...
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Git: add vs push vs commit

...es a file exactly as it is when you run the git add command. If you commit now, the version of benchmarks.rb as it was when you last ran the git add command is how it will go into the commit, not the version of the file as it looks in your working directory when you run git commit. If you modify a f...
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Multiple commands in gdb separated by some sort of delimiter ';'?

...fter the last is \n. set logging off Done writing to gdb.txt; that file now contains a valid GDB command script: #gdb# whatis a whatis b whatis c #gdb# source gdb.txt GDB now executes commands in the script which it just generated, producing the expected results: type = ...
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Catch an exception thrown by an async void method

... I actually mean it's straight-forward to read - whereas I know what's actually going on is really complicated - so my brain is telling me not to believe my eyes... – Stuart Mar 21 '11 at 21:01 ...
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What's the difference between using “let” and “var”?

...le.log("My value: " + i); }; } for (var j = 0; j < 3; j++) { // and now let's run each one to see funcs[j](); } My value: 3 was output to console each time funcs[j](); was invoked since anonymous functions were bound to the same variable. People had to create immediately invoked function...
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Testing if object is of generic type in C#

... I assume that you don't just want to know if the type is generic, but if an object is an instance of a particular generic type, without knowing the type arguments. It's not terribly simple, unfortunately. It's not too bad if the generic type is a class (as it is...
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What is Rack middleware?

... rackspace. The reason the term 'rack middleware' is confusing, as we all know, is because it was Confucius that wrote all the original rack middleware, more than 2000 years ago. In France. – LpLrich Mar 10 '15 at 17:59 ...
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Can I run multiple programs in a Docker container?

... It looks like new version's of Docker now support Docker container networks. – jpierson Feb 24 '16 at 21:42 ...
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Remove URL parameters without refreshing page

...ll/be/deleted/ To become: https://domain.tld/my-new-url.php Action Now let's try a different approach. Say you need to keep the file's name. The file name comes after the last / and before the query string ?. http://www.someDomain.com/really/long/address/keepThisLastOne.php?name=john Wil...
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How can I copy the content of a branch to a new local branch?

...ranch but simply a new pointer at the head of the old branch. But when you now do something like rebasing the new branch you should see that the old branch is still in its original state while the new branch is modified. So I think that does what the OP wants. – uli_1973 ...