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19771 questions

1 answers
141 views
0

Load Excel cell values using apache poi

I wanted to use Excel's function _xlfn.T.INV.2T(B2,C2) while I was programming in Java, so I made a function with Apache Poi and got to the point where I could display it on Excel.Therefore, I would l...

java excel apache-poi

2 years ago

1 answers
66 views
0

'mkstemp' was not decoded in this scope error on Cygwin

Currently, Cygwin is installing a tool to solve C++-based partial differential equations called DUNE, but when I tried to build it, the following error occurred: 'mkstemp' was not decoded in this scop...

c++ cygwin

2 years ago

2 answers
125 views
0

How to Trigger an AMI Operation

CloudWatch Events that automatically delete snapshots when AMI is deletedI'd like to do the same thing as On the AWS Console Cloud Watch Rules screen You cannot select an event called DeregisterImageI...

aws aws-cloudwatch

2 years ago

2 answers
62 views
0

Method without return value, method without argument

I don't quite understand methods without return values or arguments.Please give me an easy-to-understand explanation that even junior high school students can understand, including specific examples.

java

2 years ago

1 answers
47 views
0

Regarding the issue that has not been changed to docker containers

CentOS image on dockerAmong them, I am installing rails, mysql, etc. (I am not setting rails or mysql in dockerfile).I just use it like vmware.)Then ruby-v ruby 2.3.0p0 (2015-12-25 revision 53290) [x8...

docker

2 years ago

1 answers
116 views
0

I want to sort after combining JSON arrays in Ruby.

Ruby combined the two JSON arrays a, b with the + operator to create an array called c=a+b.After that, I want to sort c by the key value id, but it doesn't sort well.I will write down what I tried and...

ruby json

2 years ago

1 answers
108 views
0

I would like to instance C#xml and inherit it after inserting or rearranging it in a different form.

<AppSettings> <FileFolder>D:\C#Creations</FileFolder> <Sky>User0002</Sky> <Users> <UserId=User0004> <date>10/16/2019</date> <Key/> <Addre...

c# xml

2 years ago

1 answers
104 views
0

I'd like to implement real-time functionality with RaspberryPI...

The connection is Sensor (8bit) === > GPIOGPIO===>LEDThat's it.The idea is to ensure real-time performance with drivers that don't allow other interrupts.Self-Driver: Polling GPIO with for (inti...

raspberry-pi

2 years ago

1 answers
137 views
0

I want to use unlabeled sensor data for classification.

In a copy project of a paper, I'm trying to implement a sensor in my ear to recognize facial expressions (output is 0 when I'm not doing anything, 1 when I open my mouth wide).Easy implementation of n...

python3 machine-learning chainer

2 years ago

1 answers
143 views
0

Sony SPRESENSE Bluetooth LE Add-on board SPRESENSE-BLE-EVK-701 wants to advertise with its own Service, Characteristic

I purchased the SPRESENSE Bluetooth® LE Add-on board SPRESENSE-BLE-EVK-701.BLE Module Documentation for this add-on boardMK71251-02 User's ManualAT Command Application User's Manual for MK71251-02AMK7...

spresense arduino bluetooth

2 years ago

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