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Convert column classes in data.table
....frame I don't have a problem converting it, with data.table I just don't know how:
8 Answers
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Compare two MySQL databases [closed]
... All the tools mentioned look good. I am selecting Toad arbitrarily for now until I could conduct some more research.
– Vincent Ramdhanie
Oct 22 '08 at 14:25
64
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git: How to diff changed files versus previous versions after a pull?
When I run "git pull" I often want to know what changed between the last version of a file and the new one. Say I want to know what someone else committed to a particular file.
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What is Java EE? [duplicate]
...buzzwords like enterprise edition just to say hey i can do web and db. "I know java" "wait, you know Java or Java EE" .. WTF its like braging i can do http request in javascript or acces db in rails.. wow magic. but business ppl love the words ENTERPRISE EDITION .... drop the EE Java!
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How to run Conda?
...t .bash_profile (I downloaded it to my local desktop to do that, I do not know how to text edit a file from linux)
Then add this to .bash_profile:
PATH=$PATH:$HOME/anaconda/bin
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Reset CSS display property to default value
...ch as <div>) will also be blown away.
So I guess the only way right now using pure CSS is to look up the browser default value and set it manually to that:
div.foo { display: inline-block; }
div.foo.bar { display: block; }
(An alternative to the above would be div.foo:not(.bar) { display: in...
The difference between the Runnable and Callable interfaces in Java
...le : If you are trying to retrieve a value from a task, then use Callable. Now callable on its own will not do the job. You will need a Future that you wrap around your Callable and get your values on future.get (). Here the calling thread will be blocked till the Future comes back with results whic...
Code equivalent to the 'let' keyword in chained LINQ extension method calls
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Woah, I didn't know you could autoencapsulate using the new operator like that.
– David Pfeffer
Sep 22 '10 at 15:31
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How do you set the Content-Type header for an HttpClient request?
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Just so folks know, using MediaTypeHeaderValue will return an error if attempting to set the charset, like so; response.Content.Headers.ContentType = new MediaTypeHeaderValue("text/xml; charset=utf-8");
– MBak
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How to add reference to a method parameter in javadoc?
...ed in other answers; you can use {@code foo}. This is especially good to know when you refer to a generic type such as {@code Iterator<String>} -- sure looks nicer than <code>Iterator&lt;String&gt;</code>, doesn't it!
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