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What are the -Xms and -Xmx parameters when starting JVM?
... A common use for these flags is when you encounter a java.lang.OutOfMemoryError.
When using these settings, keep in mind that these settings are for the JVM's heap, and that the JVM can/will use more memory than just the size allocated to the heap. From Oracle's documentation:
Note that the JV...
Convert NaN to 0 in javascript
...he final result will also be NaN, which you'll immediately recognize as an error even if your error handling logic (throw/catch maybe?) isn't yet complete.
NaN as the result of an arithmetic calculation always indicates something has gone awry in the details of the arithmetic. It's a way for the c...
Remote origin already exists on 'git push' to a new repository
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You are getting this error because "origin" is not available. "origin" is a convention not part of the command. "origin" is the local name of the remote repository.
For example you could also write:
git remote add myorigin git@github.com:myname...
VB.NET equivalent to C# var keyword [duplicate]
...tion
In detail:
without Dim:
Explicit Off, gives Object
Explicit On, error "Name '' is not declared."
with Dim:
Infer On, gives expected types
Infer Off:
Strict On, error "Option Strict On requires all declarations to have an 'As' clasue."
Strict Off, gives Object
As I mentioned in the ...
Django 1.7 throws django.core.exceptions.AppRegistryNotReady: Models aren't loaded yet
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You should run this in the same context that the error occurs
– Nimo
Nov 27 '14 at 15:44
3
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Copying files from one directory to another in Java
..., but I don't want to copy the directory - only the files in it. Now I get error messages java.io.FileNotFoundException: (the path to trDir) (Is a directory) This is what it only says. I have used the method like this: copyDirectory(review, trDir);
– user42155
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Libraries do not get added to APK anymore after upgrade to ADT 22
...version (v22). I also upgraded the SDK of course. I do not see any compile errors in eclipse, but when i run the project on the phone i get a NoClassDefFoundError.
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How do you use the ellipsis slicing syntax in Python?
... my_scalar[...] = 5. If you do my_scalar[:] = 5, you'll rightfully get an error, because there's no dimension 0 for the : to iterate over.
– SuperElectric
Feb 13 '18 at 11:21
1
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When and why to 'return false' in JavaScript?
...he other scenario to consider is when "javascript breaks" (due to a syntax error higher up in the page). Having non-js fallbacks gives you some safety nets for this scenario. (Google.com was down for almost 30 minutes a while back due to a js syntax error!)
– Alex Czarto
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Can't use NVM from root (or sudo)
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This sounds like a great option, but I keep getting these errors : chmod: cannot operate on dangling symlink ‘/home/ec2-user/.nvm/versions/node/v7.1.0/bin/node-debug’ chmod: cannot operate on dangling symlink ‘/home/ec2-user/.nvm/versions/node/v7.1.0/bin/node-inspector’
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