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Redis command to get all available keys?
...ned in the Redis docs, new connections connect as default to the db 0.
In my case KEYS command was not retrieving results because my database was 1. In order to select the db you want, use SELECT.
The db is identified by an integer.
SELECT 1
KEYS *
I post this info because none of the previous a...
What is the proper way to test if a parameter is empty in a batch file?
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Use square brackets instead of quotation marks:
IF [%1] == [] GOTO MyLabel
Parentheses are insecure: only use square brackets.
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Android Game Keeps Getting Hacked [closed]
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My idea isnt hacker proof, but might remove some of the interest for hacking the game.
Freemium model
1) Make the first 5-10 levels free so people can learn the game and have some fun without paying. Less will want to hack ...
Bash continuation lines
...a here document, such as in a Makefile or Dockerfile.
printf '%s\n' >./myscript \
'#!/bin/sh` \
"echo \"G'day, World\"" \
'date +%F\ %T' && \
chmod a+x ./myscript && \
./myscript
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How to change to an older version of Node.js
...o source it from your bash shell . ~/.nvm/nvm.sh I always add this line to my ~/.bashrc or ~/.profile file to have it automatically sources upon login. Often I also put in a line to use a specific version of node."
– David EGP
Oct 12 '11 at 12:44
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Using node-inspector with Grunt tasks
... Man, I just spent 30 minutes figuring this out then updating my answer! I should have just scrolled down!
– David Souther
Jan 30 '15 at 20:25
1
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How can I mock requests and the response?
...ttest
from unittest import mock
# This is the class we want to test
class MyGreatClass:
def fetch_json(self, url):
response = requests.get(url)
return response.json()
# This method will be used by the mock to replace requests.get
def mocked_requests_get(*args, **kwargs):
cl...
Programmatically update widget from activity/service/receiver
I know it's possible, but I can't figure out a way to trigger an update of my widget from the main activity. Isn't there some general intent I can broadcast?
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How can I format my grep output to show line numbers at the end of the line, and also the hit count?
...e-case. Only to be used if case matching is not necessary
$ grep -in null myfile.txt
2:example two null,
4:example four null,
Combine with awk to print out the line number after the match:
$ grep -in null myfile.txt | awk -F: '{print $2" - Line number : "$1}'
example two null, - Line number : ...
Call removeView() on the child's parent first
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I also got this error in my application that is one of the chat application. I am trying to solve this problem. that icon is removed but I need the icon again for uploading images. ( stackoverflow.com/q/58117428/10971384 ) this is my question link
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