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Drop multiple tables in one shot in mysql
...e A has two children B and C. Then we can use the following syntax to drop all tables.
DROP TABLE IF EXISTS B,C,A;
This can be placed in the beginning of the script instead of individually dropping each table.
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Is there a method to generate a UUID with go language
...ic range. rand.Read returns random bytes in the range 0-255, which are not all valid values for a UUID. As far as I can tell, this should be done for all the values in the slice though.
If you are on linux, you can alternatively call /usr/bin/uuidgen.
package main
import (
"fmt"
"log"
...
Enabling WiFi on Android Emulator
...s a
simulated Wi-Fi access point ("AndroidWifi"), and Android
automatically connects to it.
More Information:
https://developer.android.com/studio/run/emulator.html#wifi
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When should null values of Boolean be used?
Java boolean allows values of true and false while Boolean allows true , false , and null . I have started to convert my boolean s to Boolean s. This can cause crashes in tests such as
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How to set timeout for http.Get() requests in Golang?
...ontext.WithTimeout(context.Background(), time.Second*3)
defer cncl()
req, _ := http.NewRequestWithContext(ctx, http.MethodGet, "https://google.com", nil)
resp, _ := http.DefaultClient.Do(req)
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Error :: duplicate files during packaging of APK
...t trying with notice.txt instead of NOTICE.txt? Though the error looks actually different from the one where the exclude happens. Do you have a META-INF/notice.txt file in your src/main/resources/ ?
– Xavier Ducrohet
Mar 18 '14 at 15:48
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Can an Android NFC phone act as an NFC tag?
... a simple old nfc tag? Is there some application I'm not thinking of? Usually, you'd want to emulate something like a transit card, access key, or credit card which would require a secure element (I think, but not sure).
s...
How do you comment out code in PowerShell?
... PowerShell V2 <# #> can be used for block comments and more specifically for help comments.
#REQUIRES -Version 2.0
<#
.SYNOPSIS
A brief description of the function or script. This keyword can be used
only once in each topic.
.DESCRIPTION
A detailed description of the function...
When NOT to use Cassandra?
...Why use NoSQL
In the case of RDBMS, making a choice is quite easy because all the databases like MySQL, Oracle, MS SQL, PostgreSQL in this category offer almost the same kind of solutions oriented toward ACID properties. When it comes to NoSQL, the decision becomes difficult because every NoSQL dat...
jQuery ID starts with
I am trying to get all elements with an id starting with some value. Below is my jQuery code. I am trying to use a JavaScript variable when searching for items. But it does not work. What am I missing below? So the id 'value' am searching is the value of the clicked element
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