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Type List vs type ArrayList in Java [duplicate]
...ith a list that does not implement RandomAccess you will get a compilation error.
You could also test dynamically ... using instanceof ... if static typing is too awkward. And you could even write your code to use different algorithms (dynamically) depending on whether or not a list supported rand...
Upgrade python in a virtualenv
... just use virtualenv". EDIT: actually, it does work! It just also shows an error message about "ensurepip".
– rspeer
May 18 '17 at 20:01
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How to install grunt and how to build script with it
...ally using grunt init:gruntfile? I've tried doing this but I always get an error: Fatal error: Unable to find Gruntfile. Is the creation of Gruntfile.js always a manual process? If so, I see a benefit of using Yeoman where a Gruntfile.js is auto-generated (and this still applies for projects that I ...
How can I submit a form using JavaScript?
...n with the name and id "submit", and document.theForm.submit() reported an error. Once I renamed my button, the code worked perfectly.
– Jonathan
Oct 9 '17 at 4:20
1
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Should I check in node_modules to git when creating a node.js app on Heroku?
... the Node.js buildpack source for these exact steps
However, the original error looks to be an incompatibility between the versions of npm and node. It is a good idea to always explicitly set the engines section of your packages.json according to this guide to avoid these types of situations:
{
...
How can I check whether a numpy array is empty or not?
...ting with a 'empty' array, and growing with np.append is a frequent novice error.
Using a list in if alist: hinges on its boolean value:
In [102]: bool([])
Out[102]: False
In [103]: bool([1]) ...
sh: 0: getcwd() failed: No such file or directory on cited drive
...
This error is usually caused by running a command from a directory that no longer exist.
Try changing your directory and re-run the command.
share
...
python assert with and without parenthesis
...foo == 8, \
"derp should be 8, it is " + str(foo)
Prints:
AssertionError: "derp should be 8, it is 7
Why does this python assert have to be different from everything else:
I think the pythonic ideology is that a program should self-correct without having to worry about the special flag to...
Why isn't sizeof for a struct equal to the sum of sizeof of each member?
...formance and correctness of programs:
Mis-aligned access might be a hard error (often SIGBUS).
Mis-aligned access might be a soft error.
Either corrected in hardware, for a modest performance-degradation.
Or corrected by emulation in software, for a severe performance-degradation.
In addition, a...
“Application tried to present modally an active controller”?
...[tabBarController presentModalViewController:vc3];
This will give you an error because that Tab Bar Controller has a death grip on the view controller that you gave it. You can either not add it to the array of view controllers on the tab bar, or you can not present it modally.
Apple expects you...