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What does Redis do when it runs out of memory?
...n ground to a halt (writes not possible, reads were possible), running PHP scripts stopped dead in their tracks mid-way and had to be kill -9'd manually (even after memory was made available).
I assumed data loss (or data inconsistency) had occurred so I did a flushdb and restored from backups. Les...
Does “display:none” prevent an image from loading?
...seful.
The image has a display:none style but its size may be read by the script.
Chrome v68.0 does not load images if the parent is hidden.
You may check it there : http://jsfiddle.net/tnk3j08s/
You could also have checked it by looking at the "network" tab of your browser's developer tools.
N...
Add a new element to an array without specifying the index in Bash
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According to wiki.bash-hackers.org/scripting/bashchanges, this syntax first appeared in version 3.1-alpha1.
– David Yaw
Jan 3 '14 at 21:17
4...
How to unpack and pack pkg file?
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Here is a bash script inspired by abarnert's answer which will unpack a package named MyPackage.pkg into a subfolder named MyPackage_pkg and then open the folder in Finder.
#!/usr/bin/env bash
filename="$*"
dirname="${filename/...
What is the difference between 'git pull' and 'git fetch'?
... your local machine seems like a good idea. In fact, I feel like writing a script that checks to see if I've updated my remote in the past 24 hours and linking it up with a udev hook for internet connection.
– Brian Peterson
Aug 15 '13 at 2:23
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What does yield mean in PHP?
.... Depending on your environment, doing a range(1, 1000000) will fatal your script whereas the same with a generator will just work fine. Or as Wikipedia puts it:
Because generators compute their yielded values only on demand, they are useful for representing sequences that would be expensive or ...
How to create an installer for a .net Windows Service using Visual Studio
...n Folder in File Explorer'. Go to bin\Debug.
Create install.bat with below script:
:::::::::::::::::::::::::::::::::::::::::
:: Automatically check & get admin rights
:::::::::::::::::::::::::::::::::::::::::
@echo off
CLS
ECHO.
ECHO =============================
ECHO Running Admin shell
ECHO ...
Bash: infinite sleep (infinite blocking)
...r to f.e. test some other WM), X will terminate too because the .xinitrc script reached EOF.
So I added this at the end of my .xinitrc :
...
Calculating sum of repeated elements in AngularJS ng-repeat
The script below displays a shop cart using ng-repeat . For each element in the array, it shows the item name, its amount and the subtotal ( product.price * product.quantity ).
...
Node.js on multi-core machines
...'t really need "cluster", you'd just run two different node services. Two scripts, two processes, two ports. Eg, you could have serviceA listen on 3000 and serviceB listen on 3001. Each of those services might use "cluster" to have 1+ workers and recycle them periodically, etc. Then you could co...