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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...
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...
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...
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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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 ...
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
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Efficiency of premature return in a function
...If the simple example above is extended with resource allocation, and then error checking with a potential resulting freeing of resources, the picture might change.
Consider the naive approach beginners might take:
int func(..some parameters...) {
res_a a = allocate_resource_a();
if (!a) {
...