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What are namespaces?
...
Since it’s easier to learn about the keyword “use” by knowing about “namespace”, let me explain namespace first by looking at a basic Laravel project.
There is a controller class with the name: Controller.php which is in the path:
app/Http/Controllers from the project...
How to set or change the default Java (JDK) version on OS X?
... export JAVA_HOME… line to your shell’s init file.
For Bash (as stated by antonyh):
export JAVA_HOME=$(/usr/libexec/java_home -v 1.8)
For Fish (as stated by ormurin)
set -x JAVA_HOME (/usr/libexec/java_home -d64 -v1.8)
Updating the .zshrc file should work:
nano ~/.zshrc
export JAVA_HOME=$(/us...
Can table columns with a Foreign Key be NULL?
...if you want to know later whether a value was originally set as "default" (by using null) or set to a value that happens to be the same as "default". By having a row with a null id, you can clearly indicate that this row is not to be used as a normal row, and can use the row as a way of providing a ...
simple explanation PHP OOP vs Procedural?
...ns you have ever written in your entire life, listed in alphabetical order by function name
For example: you could have multiple PHP files with functions that are chunked together by subject matter [e.g., functions for doing basic string manipulation, functions for processing arrays, functions for f...
A circular reference was detected while serializing an object of type 'SubSonic.Schema .DatabaseColu
...re are circular references in your object hierarchy which is not supported by the JSON serializer. Do you need all the columns? You could pick up only the properties you need in the view:
return Json(new
{
PropertyINeed1 = data.PropertyINeed1,
PropertyINeed2 = data.PropertyINeed2
});
T...
Redis: possible to expire an element in an array or sorted set?
... Yep, element expiration in nested data structures is not supported by Redis.
– Itamar Haber
Dec 12 '19 at 6:52
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Why is there “data” and “newtype” in Haskell? [duplicate]
...introduce a single value constructor, but the value constructor introduced by newtype is strict and the value constructor introduced by data is lazy. So if you have
data D = D Int
newtype N = N Int
Then N undefined is equivalent to undefined and causes an error when evaluated. But D undefined i...
DDD - the rule that Entities can't access Repositories directly
...ess logic and where things get updated. You don't have some kid who is off by himself and writes this entire program that does all these complicated things to the product catalog and when it comes to integrate it to the upstream project, you're sitting there looking at it and realize it all has to b...
JSON.stringify without quotes on properties?
...ble with regexp.) Therefore, I have create a new function to remove quotes by formally parsing the JSON string via native function and reserialize it:
function stringify(obj_from_json) {
if (typeof obj_from_json !== "object" || Array.isArray(obj_from_json)){
// not an object, stringify ...
how to mysqldump remote db from local machine
...lhost, it's one of these 'special meaning' nonsense that probably connects by socket rather then by port)
edit: well, to elaborate: if host is set to localhost, a configured (or default) --socket option is assumed. See the manual for which option files are sought / used. Under Windows, this can be ...