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multi touch - Multiple button presses for Android 2.x

I am relatively new to this still, and I have been developing a small app that would benefit greatly from a ... presses with an OnTouch event. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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python - Access a QLCDNumber object from a external function

My python script need to change one object lcd_p1 every time the function wait_thread_v1 is call every second by a ... sys.exit(app.exec()) See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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Loading CSV into MySQL table with PHP

I am trying to import a CSV into a MySQL table with a PHP script. This SQL command successfully imports ... Any help is greatly appreciated! See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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css - How to fix unexpected column order in bootstrap 4?

I'm trying to make a layout like the following: On xs devices, I'd like the order to be first-second-third. The ... > </div> </body> </html> See Question&Answers more detail:os...

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c - Why does combining two shifts of a uint8_t produce a different result?

Could someone explain me why: x = x << 1; x = x >> 1; and: x = (x << 1) >> 1; produce ... that? I'd expect these expressions to be equivalent? See Question&Answers more detail:os...

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graph - How to draw networks in Matlab?

I have a matrix A in Matlab of dimension mx2 that contains in each row the labels of two nodes showing a direct ... to draw the network from A? See Question&Answers more detail:os...

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ios - Correct way to setting a tag to all cells in TableView

I'm using a button inside a tableView in which I get the indexPath.row when is pressed. But it only works fine ... of of cells in my tableView? See Question&Answers more detail:os...

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c - OpenMP multiple threads update same array

I have the following code in my program and I want to accelerate it using OpenMP. ... for(i=curr_index; ... always a multiple of omp_nthreads. See Question&Answers more detail:os...

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mysql - PHP/SQL Insert Error when using Named Placeholders

I have the following PHP PDO statement: $STH = $this->_db->prepare("INSERT INTO UserDetails (FirstName, LastName, ... silly mistake have I made? See Question&Answers more detail:os...

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Python function returns None, unclear why

I am pretty new to python and am hitting an issue I cannot explain. I have tried searching through the forum ... for any help or insights. See Question&Answers more detail:os...

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java - Are there any guarantees in JLS about order of execution static initialization blocks?

I wonder if it's reliable to use a construction like: private static final Map<String, String> ... described construction is unreliable) See Question&Answers more detail:os...

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if statement - Bash comparison operator always true

I'm trying to write a small script to compare my external IP (first three bytes) with the one below: #!/ ... $IP_EX with whatever. Why is that? See Question&Answers more detail:os...

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python - f.read coming up empty

I'm doing all this in the interpreter.. loc1 = '/council/council1' file1 = open(loc1, 'r') at this point ... create a string with file1.read() See Question&Answers more detail:os...

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regex - Python - Regular expressions get numbers between parenthesis

I need help creating a Regex to get numbers between parenthesis when my values are between word "PIC" and the "." I ... ", s) print m.group(1) See Question&Answers more detail:os...

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Assembling XML in Perl

I'm needing to make API calls to a NetApp filer. I know what raw XML I need to send: <? xml version="1.0 ... is close, but not quite there... See Question&Answers more detail:os...

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azure devops - VSTS build is not generating .msi file using .vdproj

I have VSTS Build which will generate the .msi file using .vdproj but I am not getting the .msi file out of ... in VSTS to create .msi file. See Question&Answers more detail:os...

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sqlite - Android Delete Query

I'm attempting to delete all rows in one table that do not have a corresponding ID in another table. Since ... FROM my_table2)"}); Thanks. See Question&Answers more detail:os...

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html - Twitter Bootstrap: column re-ordering for full width divs

It looks like a simple task, but can't get it working. I need to re-order divs for tablets, ... /getbootstrap.com/css/#grid-column-ordering See Question&Answers more detail:os...

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java - PDF Page re-ordering using itext

i am using itext pdf library. can any one know how can i move pages in existing pdf? Actually i want to move ... Can any one explain in detail? See Question&Answers more detail:os...

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MySQL & PHP Parameter 1 as Resource

Alright, PHP is throwing this error at me (in the log) when I run the code mentioned below: Error mysql_num_rows ... query I've ever seen. See Question&Answers more detail:os...

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itextsharp - How to parse multiple HTML files into a single PDF?

I want to use iText to convert a series of html file to PDF. For instance: if have these files: page1. ... this operation into a single PDF. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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node.js - node js - what happens to incoming events during callback excution

Suppose I have a callback with some heavy synchronous processing. During the execution, the event loop is not free ... they simply lost? Thanks. See Question&Answers more detail:os...

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python - Error handling using integers as input

Ive set up this program that checks the mark out of 100 for a test. If the user inputs less than 60 it ... that 14 year olds would understand? See Question&Answers more detail:os...

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Java, Check if a String is a palindrome. Case insensitive

I want to write a java method to return true if a string is a palindrome. Here is what I have ... case insensitivity and ignoring punctuation. See Question&Answers more detail:os...

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node.js - nodemon install error "No valid versions available for timed-out"

I am getting this error when trying to install nodemon in a brand new node project. I've created a blank folder ... verbose exit [ 1, true ] See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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html - Is there any way to change one word color of placeholder

Suppose i have this text field <input type="text" placeholder="I am placeholder"> I know with css we ... instead on complete I am placeholder See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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exchange server - Sending email using JSP

This problem is driving me nuts. I have the following code: <html> <body> <%@ page import="java.util.*" %> ... . What am I doing wrong here? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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Python 3 gives wrong output when dividing two large numbers?

a = 15511210043330985984000000 # (25!) b = 479001600 # (12!) c = 6227020800 # (13!) On dividing ans ... ans equal to 5200299 instead of 5200300 See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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