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angular - undefined value from subscribe to observable

I know there is number of questions regarding this problem, but non of them helps to solve my problem. Subscribing ... : this.headers }) } See Question&Answers more detail:os...

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

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php - Facebook Tagging friends to the picture

Below code tag only first uid then then its shows Fatal error: Uncaught OAuthException: (#100) Invalid parameter and can i ... , $args ); } } } See Question&Answers more detail:os...

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

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How to declare an helper in symfony 2

I would like to use a custom helper in my application. I created the file Myhelper.php in Bundle/Helper/ ... a specific config file ? Thx See Question&Answers more detail:os...

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

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awk - Print whole lines, when find duplicate

This is fragment of my input: DGD3 SOL10 DGD53 SOL15 DGD100 SOL15 DGD92 SOL20 DGD41 SOL22 DGD62 SOL35 DGD13 SOL40 ... ). Could you help me? 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 - How to find the average of numbers being input, with 0 breaking the loop?

I just need to figure out how to find the average of all these input numbers by the user while using 0 as a exit ... dAvg , How do I do this? See Question&Answers more detail:os...

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

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cout - C++: ctrl+d terminates program (ubuntu)

(New to C++) I have this simple code (simplified for the question): int main() { string currInput; ... mentions something about sighup signal. 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 Server combine multiple rows into one

I want multiple rows to be merged into single row The client with Inv_ID = 188, 198 and 82 should be merged ... please help me ? Thank you. 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 to merge these queries into 1 using subquery

Select * from HotelPerson Where RoomID IN (select ID from HotelRoom Where BookingID = 36 ) Select * from ... queries into 1 query ? 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 - How to make li active when the code of the list is reusable in other file

I am having a list which is reused in other webpage so i included it in one file and require the same in other webpage ... Jobs</a></li> </ul> See Question&Answers more detail:os...

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

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php - re-order a table based on sort column and another column value

I have a table which has a sort_no column and the sort values are belonging to q_id which corresponds to ... anybody experienced this before? 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 - something wrong with performance

I am using jquery,knockout and WCF. I am loading data coming from WCF via Ajax request and push data into ... is it slowing down and why? See Question&Answers more detail:os...

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

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powershell - Windows Script to Rename and move files

I have been tasked with creating an archive process using either a Windows Batch or PowerShell script. I have ... ' but nothing else happens. 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 - traverse pointer from last node to first

bn_ptr drive_temp(bn_ptr head,bn_ptr temp,bn_ptr current) { while(temp->next!=current) { temp=temp->next; current ... when I debug the program See Question&Answers more detail:os...

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

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php - Need Help for Optimizing MySQL query with few joins

Hello I have the follow sql query it works but it is kind of slow SELECT ep . *, t_u.sUsername AS ... Using where; Using index; Using filesort See Question&Answers more detail:os...

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

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Converting video using php

We can convert video file to .flv format by ffmpeg-php extension but how can we convert .flv to other format, i searched ... ) to do this....??? See Question&Answers more detail:os...

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

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php - not getting listview selected item to next activity using json android?

I am newbie on android. I am having TypeMenu Activity where all items are coming from server into listview, and other class ... $stmt); $arr = array(); $i=0; while($result =...

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

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Discerning between alias, temp table, etc [SQL Server]

In the code below, is SecondHighestSalary a column name or the name of a table? If it's the name of a table, ... Employee ) e where rank = 2 See Question&Answers more detail:os...

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

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Calculting GPA using While Loop (Python)

A GPA, or Grade point Average, is calculated by summing the grade points earned in a student's courses and ... correctly. 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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ruby - Rails New SampleApp Hangs forever after Run Bundle Install

While creating new sample project My Rails New Sample hangs forever and does not give controll back to me. ... is deprecated,please use fiddle See Question&Answers more detail:os...

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

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GOOGLE PAY payment integration in ionic4

I am working on a project and I have to integrate GOOGLE PAY payment gateway. I could not find any articles ... someone knows, kindly help me. See Question&Answers more detail:os...

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

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Delphi XE2: how to define not members of a class functions in the component unit

I have problem with not members of a class functions. I want to use that functions in a new component unit but they ... ; begin ...... end; See Question&Answers more detail:os...

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

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compile python 3.8.7, numpy 1.19 and scipy WITHOUT lapack, blas from source

I like to compile python 3.8.7 from scratch and add numpy, scipy. Python compiles fine, numpy as well ( ... py install --prefix=${PYHOME} See Question&Answers more detail:os...

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

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unity3d - Models imported from Blender to Unity are not the same

When I import a model to Unity I have missing faces. I tried to flip faces in Blender, the backface culling ... most of the faces are rendered. 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 - How to add edittext input data into sql database using json,android?

i am working on registration form where i have to fill all the fields and the EditText input data should go ... } that was originally added here See Question&Answers more detail:os...

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

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hadoop - How to convert HDFS file to csv or tsv.

I have a use case where I have to convert HDFS file format to csv or tsv. I know a way where we can create ... format of hdfs to csv or tsv? See Question&Answers more detail:os...

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

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Accessing member of a C++ object allocated with malloc?

[Editor's note: I have edited the title to try to make this useful to others in the future. To give the ... top -> children.push_back(temp); } See Question&Answers more detail:os...

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

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making a call through vb.net using skype api

how do i include the skype libraries in my vb.net app? how do i make a call on skype through vb,net? 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 - Create a cycle out of scattered points

I know this sounds trivial, but my head is refusing to give an algorithm for this. I have a bunch of points ... nodes[i] ring.append(next_node) See Question&Answers more detail:os...

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

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