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PHP Fatal error: Using $this when not in object context
...theless. $this is not available in class context. The OP will get the same error from the example above.
– Gordon
Feb 28 '10 at 12:20
...
Error when trying to obtain a certificate: The specified item could not be found in the keychain
...thout triggering the The specified item could not be found in the keychain error.
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docker error: /var/run/docker.sock: no such file or directory
...passed into the boot2docker VM runs as root by default.
You're seeing the error when you're running as sudo because sudo doesn't have the DOCKER_HOST env set, only your user does.
You can confirm this by doing a:
$ env
Then a
$ sudo env
And looking for DOCKER_HOST in each output.
As for hav...
What does OSGi solve?
...are verified during deployment, meaning that you get unresolved dependency errors at deployment time instead of NoClassDefFoundErrors at run time. Aside from the module system, the OSGi service layer does deserve mention. It's not as easy to start with because it impacts your architecture (and it's...
Design by contract using assertions or exceptions? [closed]
...in a release build. But you don't want the release build crashing whenever errors occur either, do you?
So use exceptions and use them well. Use a good, solid exception hierarchy and ensure that you catch and you can put a hook on exception throwing in your debugger to catch it, and in release mode...
Dealing with “java.lang.OutOfMemoryError: PermGen space” error
Recently I ran into this error in my web application:
32 Answers
32
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Exit single-user mode
...atabase is in Single User mode. When I try to expand me database, I get an error:
18 Answers
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Is it possible to clone html element objects in JavaScript / JQuery?
...pected.
– przemo_li
Aug 28 '17 at 9:05
Too bad you lose all attributes :/
– Pieter De Bie
...
Parse large JSON file in Nodejs
... values with double quotes. In other words, {name:'thing1'} will throw an error; you must use {"name":"thing1"}.
Because no more than a chunk of data will ever be in memory at a time, this will be extremely memory efficient. It will also be extremely fast. A quick test showed I processed 10,000 ...
public friend swap member function
...t;
void swap<T>(myclass<T>&, myclass<T>&) // error! no partial specialization
{
// swap
}
}
This method works some of the time, but not all of the time. There must be a better way.
There is! We can use a friend function, and find it through ADL:
na...