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Laravel Eloquent groupBy() AND also return count of each group
...et collection, groupBy and count:
$collection = ModelName::groupBy('group_id')
->selectRaw('count(*) as total, group_id')
->get();
Cheers!
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The difference between the 'Local System' account and the 'Network Service' account?
... the computer will have a service account that has permissions to do practically anything (more specifically the superset of all of the different additional privileges granted to that account).
It is always preferable from a security perspective to run as your own service account that has precisely...
Why declare unicode by string in python?
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I made the following module called unicoder to be able to do the transformation on variables:
import sys
import os
def ustr(string):
string = 'u"%s"'%string
with open('_unicoder.py', 'w') as script:
script.write('# -*- coding: utf-8...
Elasticsearch query to return all records
...n link above suggests.
EDIT: scan Deprecated in 2.1.0.
scan does not provide any benefits over a regular scroll request sorted by _doc. link to elastic docs (spotted by @christophe-roussy)
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SQLite select where empty?
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length(some_column) should be avoided, since this may calculate the length on the fly - AFAIK current SQLite does for columns with text affinity. Other than that, you are at the mercy of the optimizer - though I would expect them to be identical. You could v...
super() in Java
Is super() used to call the parent constructor?
Please explain super() .
15 Answers
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Function in JavaScript that can be called only once
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If by "won't be executed" you mean "will do nothing when called more than once", you can create a closure:
var something = (function() {
var executed = false;
return function() {
if (!executed) {
executed = true;
// do something
}
...
Accessing last x characters of a string in Bash
...aram expansion. Still, breaking it out into variables (without necessarily calling out to extra commands) makes it easier to read & would still be a good idea, I think.)
– michael
Sep 6 '18 at 6:43
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Android - Emulator in landscape mode, screen does not rotate
...11 ) the emulator rotates the screen to landscape orientation but the Android OS and none of the apps rotate. So everything is sitting sideways. Is there something in the AVD configuration that needs to be set in order for the device to rotate properly?
...
Google Authenticator implementation in Python
...owing code is enough. I have also uploaded it to GitHub as separate module called onetimepass (available here: https://github.com/tadeck/onetimepass).
import hmac, base64, struct, hashlib, time
def get_hotp_token(secret, intervals_no):
key = base64.b32decode(secret, True)
msg = struct.pack...