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How to install a specific JDK on Mac OS X?

...ac OS X 10.6 (Snow Leopard). Maybe you need to install the developer tools from your Mac OS X installation DVD (the dev tools are an optional install from the OS DVD). See: http://developer.apple.com/java/ NOTE This answer from 16 Oct 2009 is now outdated; you can get the JDK for Mac OS X from the...
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Custom HTTP headers : naming conventions

...in the HTTP headers of requests we send them, or even responses they get from our API. What is the general convention to add custom HTTP headers, in terms of naming , format ... etc. ...
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CSS background-image - What is the correct usage?

... The path can either be full or relative (of course if the image is from another domain it must be full). You don't need to use quotes in the URI; the syntax can either be: background-image: url(image.jpg); Or background-image: url("image.jpg"); However, from W3: Some characters ap...
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pandas DataFrame: replace nan values with average of columns

... CAUTION: if you want to use this for Machine Learning / Data Science: from a Data Science perspective it is wrong to first replace NA and then split into train and test... You MUST first split into train and test, then replace NA by mean on train and then apply this stateful preprocessing model...
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How to make a promise from setTimeout

...to make it possible to cancel the timeout, you can't just return a promise from later, because promises can't be cancelled. But we can easily return an object with a cancel method and an accessor for the promise, and reject the promise on cancel: const later = (delay, value) => { let timer ...
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How can I check if my python object is a number? [duplicate]

In Java the numeric types all descend from Number so I would use 5 Answers 5 ...
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What exactly is an HTTP Entity?

... # Not part of the entity. Content-Type: text/plain # ┬ The entity is from this line down... Content-Length: 1234 # │ # │ Hello, World! ... # ┘ And a response: HTTP/1.1 200 OK # Not part of the entity. Content-Length: 438 ...
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Why does this go into an infinite loop?

...alue formerly assigned to x. Really, injecting y makes things no different from the scenario above; we've simply got: MutableInt x = new MutableInt(); // x is 0. MutableInt y = new MutableInt(); // y is 0. MutableInt temp = postIncrement(x); // Now x is 1, and temp is 0. y = temp; ...
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How to rebase local branch with remote master

I have a cloned project from a master branch from remote repository remote_repo . I create a new branch and I commit to that branch. Other programmers pushed to remote_repo to the master branch. ...
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Shell script to send email [duplicate]

...nux machine and I monitor a process usage. Most of the time I will be away from my system and I have access to internet on my device. So I planned to write a shell-script that can mail me the output of the process. ...