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What is the $$hashKey added to my JSON.stringify result
I have tried looking on the Mozilla JSON stringify page of their docs as well as here on SO and Google but found no explanation. I have used JSOn stringify many time but never come across this result
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What is the difference between require and require-dev sections in composer.json?
...",
"nunomaduro/collision": "^2.0",
"phpunit/phpunit": "^7.0"
you can see what above packages are doing and you will see why you don't need them on production.
See more here : https://getcomposer.org/doc/04-schema.md
share...
How to handle a lost KeyStore password in Android?
I have forgotten my Keystore password and I don't really know what to do anymore (I can't or won't give any excuses for it). I want to update my app because I just fixed a bug but it's not possible anymore. What happens if I use the same Keystore but create a new key? Would I still be able to update...
How to install a specific version of a ruby gem?
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This worked for ~>, but what if you have '< 0.9, >= 0.7' type of situation? I tried applying two v arguments and it appears as though the first was ignored. Using the a comma separator wouldn't even parse. I ended up removing the greater than ...
What are the nuances of scope prototypal / prototypical inheritance in AngularJS?
.../shadows the parent scope property of the same name. This is probably not what you want/expect.
Typing (say, "99") into the second input textbox does not result in a new child property. Because tpl2.html binds the model to an object property, prototypal inheritance kicks in when the ngModel loo...
Environment variables in Mac OS X
... current path in launchd after setting it up in .bashrc or wherever:
PATH=whatever:you:want
launchctl setenv PATH $PATH
Environment variables are not automatically updated in running applications. You will need to relaunch applications to get the updated environment variables (although you can ju...
INSERT statement conflicted with the FOREIGN KEY constraint - SQL Server
...lumn that is
not also in the primary key column of the referenced table."
What is missing from this answer is simply;
You must build the table containing the Primary Key first.
Another way to say it is;
You must Insert Data into the parent table, containing the Primary
Key, before attempting to ...
Exception.Message vs Exception.ToString()
...here are Exceptions that don't come with Exception.Message. In function of what you do in the error handling part, you can get to have problems because of the Exception.Message.
– Coral Doe
Aug 20 '12 at 8:48
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How do I get Windows to go as fast as Linux for compiling C++?
...t more than partisan comments (which I won't do) and speculation (which is what I'm going to try).
File system - You should try the same operations (including the dir) on the same filesystem. I came across this which benchmarks a few filesystems for various parameters.
Caching. I once tried to run...
Using Emacs as an IDE
... know there are some pretty expert Emacs users out there, and I am curious what other Emacs functionally is useful if the intention is to use it as a complete IDE. Specifically, most IDEs usually fulfill these functions is some form or another:
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