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Where is Java Installed on Mac OS X?
...d on a terminal shell to figure out where is your Java 1.8 home directory
If you just want to find out the home directory of your most recent version of Java, omit the version. e.g. /usr/libexec/java_home
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Cluster analysis in R: determine the optimal number of clusters
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If your question is how can I determine how many clusters are appropriate for a kmeans analysis of my data?, then here are some options. The wikipedia article on determining numbers of clusters has a good review of some of th...
Convert Long into Integer
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Integer i = theLong != null ? theLong.intValue() : null;
or if you don't need to worry about null:
// auto-unboxing does not go from Long to int directly, so
Integer i = (int) (long) theLong;
And in both situations, you might run into overflows (because a Long can store a wider ran...
Unable to run app in Simulator: Xcode beta 6 iOS 8
...beta
Go to the menu Xcode > Open Developer Tool > iOS Simulator
Even if an error dialog shows up, you still would have access to the iOS Simulator's menu
Select Hardware > Device > Manage Devices
Click on the little + sign at the bottom
Add (if missing) all the devices that you want, or ...
How to detect if URL has changed after hash in JavaScript
How can I check if a URL has changed in JavaScript? For example, websites like GitHub, which use AJAX, will append page information after a # symbol to create a unique URL without reloading the page. What is the best way to detect if this URL changes?
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Optimum way to compare strings in JavaScript? [duplicate]
...think it's important to note that V8 (Chrome) seems to interpret ECMA-262 differently than IE/Firefox on localeCompare. For example: "a".localeCompare("Z") should return -1 but instead returns 7 which is the charcode of "a" - charcode of "Z". Unfortunately, the language in the specification is loos...
Why does google.load cause my page to go blank?
...ogle.load is adding the script to the page using a document.write(), which if used after the page loads, wipes out the html.
This explains more in-depth:
http://groups.google.com/group/google-ajax-search-api/browse_thread/thread/e07c2606498094e6
Using one of the ideas, you could use a callback fo...
What effect(s) can the virtual keyword have in Entity Framework 4.1 POCO Code First?
...ed on the properties in EF Code First?. Can someone describe all of its ramifications in different situations?
2 Answers
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How to remove all characters after a specific character in python?
...p = '...'
rest = text.split(sep, 1)[0]
You didn't say what should happen if the separator isn't present. Both this and Alex's solution will return the entire string in that case.
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Selecting multiple classes with jQuery
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What if I want to match it only when each of the element have all the specified classes?
– IsmailS
Sep 2 '11 at 13:01
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