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Working with time DURATION, not time of day

... You can easily do this with the normal "Time" data type - just change the format! Excels time/date format is simply 1.0 equals 1 full day (starting on 1/1/1900). So 36 hours would be 1.5. If you change the format to [h]:mm, you'll see 36:00. Therefore, if ...
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Casting to string in JavaScript

...und three ways to cast a variable to String in JavaScript. I searched for those three options in the jQuery source code, and they are all in use . I would like to know if there are any differences between them: ...
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What is the most frequent concurrency issue you've encountered in Java? [closed]

This is a poll of sorts about common concurrency problems in Java. An example might be the classic deadlock or race condition or perhaps EDT threading bugs in Swing. I'm interested both in a breadth of possible issues but also in what issues are most common. So, please leave one specific answer o...
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How to find out if a Python object is a string?

How can I check if a Python object is a string (either regular or Unicode)? 15 Answers ...
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JavaScript, elegant way to check nested object properties for null/undefined [duplicate]

... using the app this gets populated. Let's say somwhere, after an AJAX call or something i do this: 4 Answers ...
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Work on a remote project with Eclipse via SSH

... Try the Remote System Explorer (RSE). It's a set of plug-ins to do exactly what you want. RSE may already be included in your current Eclipse installation. To check in Eclipse Indigo go to Window > Open Perspective > Other... and choose Remote...
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Where can I learn how to write C code to speed up slow R functions? [closed]

What's the best resource for learning how to write C code for use with R? I know about the system and foreign language interfaces section of R extensions, but I find it pretty hard going. What are good resources (both online and offline) for writing C code for use with R? ...
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How does a Breadth-First Search work when looking for Shortest Path?

...'ve done some research, and I seem to be missing one small part of this algorithm. I understand how a Breadth-First Search works, but I don't understand how exactly it will get me to a specific path, as opposed to just telling me where each individual node can go. I guess the easiest way to explain ...
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Print multiple arguments in Python

... There are many ways to do this. To fix your current code using %-formatting, you need to pass in a tuple: Pass it as a tuple: print("Total score for %s is %s" % (name, score)) A tuple with a single element looks like ('this',). Here are some other common ways of doing it: Pass it a...
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vector::at vs. vector::operator[]

...ndary checking, which is also discussed in similar questions like C++ Vector at/[] operator speed or ::std::vector::at() vs operator[] << surprising results!! 5 to 10 times slower/faster! . I just don't understand what the at() method is good for. ...