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c# - how to access listview of other form

I am developing a mp3 player with face detection. I have two forms. In first form there is media player and ... playlist.is there any solution? See Question&Answers more detail:os...

asked Jan 31, 2022 in Technique[技术] by 深蓝 (71.8m points)

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Rust tells ''value moved here, in previous iteration of loop"

I'm implementing a parser combinator library: #[derive(Debug)] enum Parser { Char(char), Positive(Box<Parser>), ... a struct instead of an enum? See Question&Answers more detail:os...

asked Jan 31, 2022 in Technique[技术] by 深蓝 (71.8m points)

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android - How to update Fragment TextView from FragmentActivity when finish a AsyncTask

I have an activity extends from FragmentActivity, and I have four TABS of Fragments, I have AsyncTask in main ... / AsyncTask function calling } See Question&Answers more detail:os...

asked Jan 31, 2022 in Technique[技术] by 深蓝 (71.8m points)

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Subsets having same sum-python

here i have an array of numbers, how to determine whether array can be divided into two subsets for which the sum of ... [8] and [3,5]. ` See Question&Answers more detail:os...

asked Jan 31, 2022 in Technique[技术] by 深蓝 (71.8m points)

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angular - Ionic2 - setting and retrieving the value of storage fails

I am setting the value of storage in ionic. But, I am unable to retrieve it. This is what I have done In ... . I am testing on chrome browser. See Question&Answers more detail:os...

asked Jan 31, 2022 in Technique[技术] by 深蓝 (71.8m points)

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android - Start of activity not working Java

Hello i have 2 activities in android, and i want to go from one activity to another using a button. The main ... //many more cases... } See Question&Answers more detail:os...

asked Jan 31, 2022 in Technique[技术] by 深蓝 (71.8m points)

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correlation - How to have diagonal labels in R Corrgram?

Corrgram docs have been misleading, since 2012, as discussed in the email thread how to change variable names in corrgram ... .1 OS: Debian 8.5 See Question&Answers more detail:os...

asked Jan 31, 2022 in Technique[技术] by 深蓝 (71.8m points)

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java - How to add multiple values to a property in neo4j

I am new to neo4j and trying to add multiple values to a property of a node.How to do it? create (e: ... to add multiple values to an attribute. See Question&Answers more detail:os...

asked Jan 31, 2022 in Technique[技术] by 深蓝 (71.8m points)

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explain the following Perl Code?

Can anybody explain the following Perl code for me, please? I think its in Perl and I have no clue about Perl ... length($str)); return $str2; } See Question&Answers more detail:os...

asked Jan 31, 2022 in Technique[技术] by 深蓝 (71.8m points)

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c++11 - C++ Reverse a smaller range in a vector

What would be the best way to do the following? I would like to reverse a smaller range in a vector ... then the method mentioned above. See Question&Answers more detail:os...

asked Jan 31, 2022 in Technique[技术] by 深蓝 (71.8m points)

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sql - How can I insert data into 2 different table in VB.net, I'm using MS Access as my db

I'm having a trouble here using VS2010. I'm using a MS Access database. I have 3 tables: tblCustomers, tblBooking ... Try con.Close() End Sub See Question&Answers more detail:os...

asked Jan 31, 2022 in Technique[技术] by 深蓝 (71.8m points)

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vb.net - How to convert a hexadecimal value to ASCII?

I am trying to use fstream to write an executable file: Dim buffer As String Dim c As Char = Chr(9) ... those functions work for entire strings? See Question&Answers more detail:os...

asked Jan 31, 2022 in Technique[技术] by 深蓝 (71.8m points)

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excel - Trendline Equation Copy Paste in Cell

I am trying to use macros to copy paste the equation of a trendline from a graph to a cell. I am ... G56").Select ActiveSheet.Paste End Sub See Question&Answers more detail:os...

asked Jan 31, 2022 in Technique[技术] by 深蓝 (71.8m points)

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javascript - Insert statement with where clause doesnt run on nodejs mysql

Code: function setvalue(val) { idoutput=val; base62val=Base.encode(idoutput); var baseinsert = {ShortUrlCode:base62val}; ... 42000', index: 0 } See Question&Answers more detail:os...

asked Jan 31, 2022 in Technique[技术] by 深蓝 (71.8m points)

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c# - Login error based on SQL server

everytime i key-in the username and password even if it is in the database it says invalid login details. IS ... = "Invalid Login Details"; } See Question&Answers more detail:os...

asked Jan 31, 2022 in Technique[技术] by 深蓝 (71.8m points)

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Regex to matches a url with or without http in java

I want to validate a url that is with or without http. i tried ^http(s{0,1})://[a-zA-Z0-9_/\- ... regex that matches www.google.com too. Thanks See Question&Answers more detail:os...

asked Jan 31, 2022 in Technique[技术] by 深蓝 (71.8m points)

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algorithm - How to pick a number based on probability?

I want to select a random number from 0,1,2,3...n, however I want to make it that the chance of ... where each element has a distinct probabili See Question&Answers more detail:os...

asked Jan 31, 2022 in Technique[技术] by 深蓝 (71.8m points)

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java - Not really understanding retrieving marker location from Firebase Database

I looked for an answer and tried a lot of tutorials but i still can't get it right.I'm working on ... longitude:-109.737 Any help appriciated. See Question&Answers more detail:os...

asked Jan 31, 2022 in Technique[技术] by 深蓝 (71.8m points)

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Yii2: finfo_file(C:xampp mpphp29C.tmp): failed to open stream: No such file or directory

Getting error finfo_file(C:xampp mpphp29C.tmp): failed to open stream: No such file or directory while uploading multiple ... $model, ]); } } See Question&Answers more detail:os...

asked Jan 31, 2022 in Technique[技术] by 深蓝 (71.8m points)

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java - How to display 5 multiples per line?

I have to display a table for detecting multiples for 2 numbers. I'm having trouble formatting my output. The ... 234 231 221 220 209 208 See Question&Answers more detail:os...

asked Jan 31, 2022 in Technique[技术] by 深蓝 (71.8m points)

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java - Using Multiple Views in a Custom Listview Adapter

I am currently in the middle of a project, which involves one Imageview, and one Textview, set up within a custom ... doing, but with 2 TVs? See Question&Answers more detail:os...

asked Jan 31, 2022 in Technique[技术] by 深蓝 (71.8m points)

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mysql - Count the same id with group by in one single column

I have table kondisi like this +------------+----------------+ | id_kondisi | id_sub_kondisi | ... id_sub_kondisi is a char type, not int type See Question&Answers more detail:os...

asked Jan 31, 2022 in Technique[技术] by 深蓝 (71.8m points)

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arrays - How do i replace all elements of a vector with a scalar

I have a vector (or array) A = [2 3 4] I want to replace all elements of each row with a scalar ... the 1x3 matrix? Many thanks in advance. See Question&Answers more detail:os...

asked Jan 31, 2022 in Technique[技术] by 深蓝 (71.8m points)

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python 3.x - ImportError: cannot import name 'AlignDlib'

I have installed openface in my windows machine by following below steps. Downloaded openface from this inline ... this error. Thanks Bhajesh See Question&Answers more detail:os...

asked Jan 31, 2022 in Technique[技术] by 深蓝 (71.8m points)

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Mimetex installation on Windows 7

I'm trying to install mimetex on Windows 7. To achieve this, I installed first cygwin on my machine, and then ... I solve? Thanks in advance. See Question&Answers more detail:os...

asked Jan 31, 2022 in Technique[技术] by 深蓝 (71.8m points)

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javascript - Accessing JSON by key and index

Is it possible to access a JSON object by key AND index? I am running into the problem where I need to be getting by key, and setting by index. See Question&Answers more detail:os...

asked Jan 31, 2022 in Technique[技术] by 深蓝 (71.8m points)

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Python saying string index is out of range when I verified that it isn't

So I'm making this program to display the positions of a substring in a string. I have the tuples working ... stupid mistake on my part. See Question&Answers more detail:os...

asked Jan 31, 2022 in Technique[技术] by 深蓝 (71.8m points)

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Generate Hierarchical json in sql server without recursive function

I have to build a tree as is in the followed link like this http://bl.ocks.org/robschmuecker/7880033, I need to generate ... ": "QQohn" }] }] }] See Question&Answers more detail:os...

asked Jan 31, 2022 in Technique[技术] by 深蓝 (71.8m points)

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