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mysql - Select minimal count of rows with total sum greater than or equal to a given threshold

I have an sql table trade with following data id| value | price 1| 0.1 |1 2| 0.5 |2 3| 0.9 |2 4| 0 ... looks like :- 4 2 3 Help appreciated :) See Question&Answers more detail:os...

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

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Database change not recognized by ADO using Delphi and SQL Server

I run a small db application with 2 TADOConnection to my SQL Server. The first connection is just for viewing ... my the second connection ? See Question&Answers more detail:os...

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

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xslt - XLT does not parse the data in Saxon

Short about my aim. I want to parse a xlm file with Saxon and at the end get a text file with code. ... /body> </html> 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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Invalid Elif Syntax Error in Python 3 program

I keep getting an invalid sytnax error in the elif statement of my code. What am I doing wrong? # define the ... "=", remainder (num1,num2) See Question&Answers more detail:os...

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

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amazon web services - How to load balance AWS private subnet EC2 instances

If I create an ELB and try to attach the private subnet instances, my health check fails: OutOfService. ... instance with health checks 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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scala - Counting occurences of characters in a String using tail recursion

I have no clue how to count the occurrences of characters in a string using tail recursion in scala. I need ... for doing so would be perfect 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 - Can we use Agora video using Unity AR Foundation with simultaniously using back and front camera

We tried using Agora video display in AR using AR Foundation, but noticed the following: in the AR Client we do ... how could we make this work? See Question&Answers more detail:os...

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

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jquery - replacement for hover() in jquery1.9?

How do I use mouseneter mouseleave instead of hover(). Should i use them both instead of hover()? $('#somegrid' ... had one action on hover() See Question&Answers more detail:os...

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

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recursion - Why do recursive function in C returns control to main, not previous call?

I'm writing converter from classic expression notation to Reverse Polish notation. Current piece of code is wrong (works, ... m using gcc 4.8.2 See Question&Answers more detail:os...

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

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ruby - pg_ext.so: undefined symbol: rb_thread_select

bash-4.2# rake db:create /opt/rubystack-2.3.1-0/ruby/bin/.ruby.bin: symbol lookup error: /opt/rubystack-2.3.1-0/ ... 2.3.1, pg version 0.18.4. 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 - Nodejs And Google spreadsheet Integration ( Cannot read property 'length' of undefined )

I have started using nodejs ( and have a beginner level understanding of javascript ) . Currently following google ... } } fetchData(); See Question&Answers more detail:os...

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

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BigQuery query execution from GWT taking very long time

We are using BigQuery with our GWT application and Google APP engine. The query execution ,( from the ... performance. thank 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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sql - Query that will loop through a range of years

I'm looking for a way to have an ACCESS query return results for a range of years. Since there are aggregate ... BY DatePart("yyyy",sale_date); 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 - have an error when i try import my component in react native

I got an error when i try import my component. here is text of error : "element type is invalid expected a ... import? Sorry for my English :D 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 - Visual Composer custom query with OR operator

I am working with Wordpress via Visual Composer and a post grid of results from The Events Calendar. I ... from Entertainment and Concerts. 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 - What is the most effcient way to replace values in a specific column of a table for this specific scenario?

I am using SQL Server 2014 and I have a table in my database called t1 (extract of only 2 columns ... efficient way to tackle this problem? 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 - Jquery adding and removing elements dynamically

I am trying to add and remove a span element dynamically. it's throwing syntax errors like expected ')' and expected ';' ... ; }); }); </script> See Question&Answers more detail:os...

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

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Create an excel formula for "buy one, get the rest 50% off"

I need to create a formula in excel that will kind of do a "buy one item, get the rest at 50% off" ... me know if additional details are needed. 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 - Split string put into an array

I am working on a SQL Server face problem which is splitting a string. I want to implement a function to ... of suggestion will be accepted. See Question&Answers more detail:os...

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

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database - is my cfg.php connection right?

I have a quick question to you guys, i have created the CFG file which stores my database connection detail in ... it will be most appreciated. See Question&Answers more detail:os...

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

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windows - Connect Postgresql in C

I'm trying to connect a C script running on Windows to my Postgresql database. For the moment, I got this script ... the needed lib in the .exe 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 - Unable to run Selenium WebDriver tests with Internet Explorer Driver

I encountered an error like below in the console tab during run my selenium tests using Java. Exception in ... .main(LoginInPage.java:11) 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 - Why is readAsBinaryString() deprecated

Why is readAsBinaryString() deprecated? From W3C The use of readAsArrayBuffer() is preferred over readAsBinaryString(), ... with 100MB blobs? See Question&Answers more detail:os...

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

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Grails empty entry into the database

I have been struggling with trying to create/save multiple instances at once in Grails, now I am ... id: multipleChoiceQuestionInstance.id) } See Question&Answers more detail:os...

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

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haskell - Reference data from function

I have those info on my haskell code: data Symtable a = General a | Stack a class Evaluable e where eval :: (Num ... | Times (NExpr n) (NExpr n) 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: object creation causes runtime error

I am new to Java and I am trying some examples to understand how it works. I am having problems understanding ... with that line? 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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c# - Is there a way to store secrets which are more than 25KB in Azure Key Vault?

I currently have a json object which i am converting into a string and trying to store in Azure Key Vault. But ... that the size limit is 25lkb. See Question&Answers more detail:os...

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

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asp.net - calling c# method from tag inline

how i get this work: <script type="text/javascript" runat="server" src='<% getSrc("ddd") %>' ></script> ... a method in code-behind file. tanks. See Question&Answers more detail:os...

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

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