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Why am I getting a NoClassDefFoundError in Java?
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This is caused when there is a class file that your code depends on and it is present at compile time but not found at runtime. Look for differences in your build time and runtime classpaths.
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Should flux stores, or actions (or both) touch external services?
Should the stores maintain their own state and have the ability to call network and data storage services in doing so ...in which case the actions are just dumb message passers,
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How can I disable the UITableView selection?
When you tap a row in a UITableView , the row is highlighted and selected. Is it possible to disable this so tapping a row does nothing?
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What's the difference between a method and a function?
... called by name. It can be passed data to operate on (i.e. the parameters) and can optionally return data (the return value). All data that is passed to a function is explicitly passed.
A method is a piece of code that is called by a name that is associated with an object. In most respects it is id...
Modelling an elevator using Object-Oriented Analysis and Design [closed]
There are a set of questions that seem to be commonly-used in interviews and classes when it comes to object-oriented design and analysis. This is one of them; unfortunately, my OOP professor in college never actually gave an answer to it, and so I've been wondering.
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Big-O summary for Java Collections Framework implementations? [closed]
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And this is why we don't use URL's as answers. That document/server, as far as I can tell, is no longer available!
– Jason Mock
Apr 10 '13 at 16:01
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How to center a Window in Java?
... answered Sep 28 '08 at 0:49
Andrew SwanAndrew Swan
12.4k1818 gold badges6464 silver badges9696 bronze badges
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How to remove a key from a Python dictionary?
...y', None)
This will return my_dict[key] if key exists in the dictionary, and None otherwise. If the second parameter is not specified (ie. my_dict.pop('key')) and key does not exist, a KeyError is raised.
To delete a key that is guaranteed to exist, you can also use
del my_dict['key']
This wil...
How to check for an active Internet connection on iOS or macOS?
...out including it anywhere
2) Add Tony Million's version of Reachability.h and Reachability.m to the project (found here: https://github.com/tonymillion/Reachability)
3) Update the interface section
#import "Reachability.h"
// Add this to the interface in the .m file of your view controller
@inte...
“open/close” SqlConnection or keep open?
...d Dec 14 '10 at 13:02
Adriaan StanderAdriaan Stander
146k2626 gold badges261261 silver badges272272 bronze badges
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