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What does “Object reference not set to an instance of an object” mean? [duplicate]

...hod() { } } This is a very common error and can occur because of all kinds of reasons. The root cause really depends on the specific scenario that you've encountered. If you are using an API or invoking methods that may return null then it's important to handle this gracefully. The main m...
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What is the difference between CurrentCulture and CurrentUICulture properties of CultureInfo in .NET

...he German format, so the CurrentCulture would be German, but I also prefer all my applications in English, so the CurrentUICulture would be English. There is a nice article on the topic: Sorting it all Out: Why we have both CurrentCulture and CurrentUICulture ...
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Google MAP API Uncaught TypeError: Cannot read property 'offsetWidth' of null

... This problem is usually due to the map div not being rendered before the javascript runs that needs to access it. You should put your initialization code inside an onload function or at the bottom of your HTML file, just before the tag, so th...
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How do I flush the PRINT buffer in TSQL?

...show up right away...',0,1) WITH NOWAIT You shouldn't completely replace all your prints with raiserror. If you have a loop or large cursor somewhere just do it once or twice per iteration or even just every several iterations. Also: I first learned about RAISERROR at this link, which I now cons...
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Chrome DevTools Devices does not detect device when plugged in

...s://developers.google.com/chrome-developer-tools/docs/remote-debugging Install Windows USB driver http://developer.samsung.com/android/tools-sdks/Samsung-Android-USB-Driver-for-Windows Install Android SDK http://developer.android.com/sdk/index.html Install Android SDK Platform-tools http://developer...
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How to convert DOS/Windows newline (CRLF) to Unix newline (LF) in a Bash script?

How can I programmatically (i.e., not using vi ) convert DOS/Windows newlines to Unix? 23 Answers ...
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Differences between unique_ptr and shared_ptr [duplicate]

... Both of these classes are smart pointers, which means that they automatically (in most cases) will deallocate the object that they point at when that object can no longer be referenced. The difference between the two is how many different pointers of each type can refer to a resource. When using...
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Collisions when generating UUIDs in JavaScript?

...rom Math.random(). For some browsers the entropy is as low as just 41 bits all together. Calling Math.random() multiple times won't raise the entropy. If you really want unique v4 UUIDs you need to use a cryptographically strong RNG that produces at least 122bit entropy per UUID generated. ...
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How to get milliseconds from LocalDateTime in Java 8

... Sure, if all you need is seconds, not milliseconds. – Stuart Marks May 30 '14 at 17:23 1 ...
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What is the difference between Session.Abandon() and Session.Clear()

... Clear - Removes all keys and values from the session-state collection. Abandon - removes all the objects stored in a Session. If you do not call the Abandon method explicitly, the server removes these objects and destroys the session when t...