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What does “Object reference not set to an instance of an object” mean? [duplicate]
I am receiving this error and I'm not sure what it means?
8 Answers
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Is there a way to 'uniq' by column?
...eed the ,1 in -k1,1? why not just -k1?
– hello_there_andy
Nov 24 '14 at 20:10
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@hello_there_and...
Iterating over every two elements in a list
...+ y)
In Python 3, you can replace izip with the built-in zip() function, and drop the import.
All credit to martineau for his answer to my question, I have found this to be very efficient as it only iterates once over the list and does not create any unnecessary lists in the process.
N.B: This ...
While loop to test if a file exists in bash
... using a Bash (or related) shell by typing 'echo $SHELL'. I think that CSH and TCSH use a slightly different semantic for this loop.
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How to delay the .keyup() handler until the user stops typing?
... works:
The delay function will return a wrapped function that internally handles an individual timer, in each execution the timer is restarted with the time delay provided, if multiple executions occur before this time passes, the timer will just reset and start again.
When the timer finally ends, ...
Does the GitHub traffic graph include your own views?
I have several projects on GitHub, and they all have the traffic graph where I can view how much traffic my repository is getting.
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How to lay out Views in RelativeLayout programmatically?
...rt from setting the ids of a childview, adding childview to the parentview and calling requestLayout() on childview before setting the rules of the other childview made things work. Hope this helps someone
– 2cupsOfTech
Aug 26 '15 at 16:46
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How do I discard unstaged changes in Git?
...h about it.
After that, you can drop that stash with a git stash drop command if you like.
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How to disable right-click context-menu in JavaScript [duplicate]
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Capture the onContextMenu event, and return false in the event handler.
You can also capture the click event and check which mouse button fired the event with event.button, in some browsers anyway.
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Visual Studio window which shows list of methods
...re's a drop down just above the code window:
It's called Navigation bar and contains three drop downs: first drop down contains project, second type and third members (methods).
You can use the shortcut Ctrl + F2 (move focus to the project drop down) and press Tab twice (move focus to the third ...