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bash - Creating a string variable name from the value of another string

In my bash script I have two variables CONFIG_OPTION and CONFIG_VALUE which contain string VENDOR_NAME and Default_Vendor ... not found' Thanks. See Question&Answers more detail:os...

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io - Haskell read raw keyboard input

I'm writing a terminal-mode program in Haskell. How would I go about reading raw keypress information? In ... the user presses Ctrl+S. See Question&Answers more detail:os...

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Android: programmatically adding buttons to a layout

I'm trying to get an add button to add another button to the layout, based on the edittext to the left of ... tvnorooms disappear break; } } } See Question&Answers more detail:os...

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

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c++ - Is it possible to determine if a type is a scoped enumeration type?

Is there a type trait, or is it possible to write a type trait is_scoped_enum<T> such that: if T is a ... , is_scoped_enum<T>::value is false See Question&Answers more detail:os...

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javascript - Open multiple links in Chrome at once as new tabs

I'm trying to open multiple links at once in Google Chrome in new tabs but it fails. Problems: Blocked by ... individually but it didn't work. See Question&Answers more detail:os...

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python - Get Excel-Style Column Names from Column Number

This is the code for providing the COLUMN name when the row and col ID is provided but when I give values ... ALPHABETIC value for the same.) See Question&Answers more detail:os...

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How to parse xml in Angular 2

I'm using an API that uses XML instead of JSON. Any suggestions on how to convert the following XML to JSON ... case-file.serial-number}}</div> See Question&Answers more detail:os...

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java - How can elements be added to a wildcard generic collection?

Why do I get compiler errors with this Java code? 1 public List<? extends Foo> getFoos() 2 { 3 List<? ... still having the issue with Line 4. See Question&Answers more detail:os...

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android - how to convert rgb color to int in java

Paint.setColor is expecting an integer. But what I have is a Color object. I don't see a color.getIntValue() ... be enough. But apparently not. See Question&Answers more detail:os...

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python - Strange behaviour with floats and string conversion

I've typed this into python shell: >>> 0.1*0.1 0.010000000000000002 I expected that 0.1*0.1 is not 0. ... I would also be interested in them.) See Question&Answers more detail:os...

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oracle - creating parameterized views in oracle11g

I have a big query with nesting and left join and Ineed to create a view out of it so as not to run ... d.dateInRange order by d.dateInRange asc See Question&Answers more detail:os...

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rest - HTTP OPTIONS error in Phil Sturgeon's Codeigniter Restserver and Backbone.js

My backbone.js application throwing an HTTP OPTIONS not found error when I try to save a model to my restful web ... as it seems a bit outdated. See Question&Answers more detail:os...

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After git push heroku - uploaded files on Heroku are lost

My fairly basic application allows users to upload avatars. The application is deployed to Heroku with $ git add ... me in the right direction? See Question&Answers more detail:os...

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android - EditText loses content on scroll in ListView?

I have list item with EditText in it, I don't know how many items there will be. I have a problem when I ... EditText adp_Current; int ref; } } See Question&Answers more detail:os...

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php - How to write a recursive regex that matches nested parentheses?

I am trying to write a regexp which matches nested parentheses, e.g.: "(((text(text))))(text()()text)( ... that? Where am I wrong? Thanks! See Question&Answers more detail:os...

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java - JAVAFX / WebView / WebEngine FireBugLite or Some other debugger?

I am developing an app and need to run a debugger on the WebView/WebEngine part of the application so I can better ... ' + '#startOpened');}"); See Question&Answers more detail:os...

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debugging - Is there a known issue relating to Windows 7 Kernel Symbols?

I have a few Windows 7 machines that I am not able to read their memory dumps. I found something that I suspect ... related to what I'm seeing? See Question&Answers more detail:os...

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java me - Image Button in BlackBerry

How do I implement an image button in BlackBerry? See Question&Answers more detail:os...

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c# - Performance of nested yield in a tree

I've got a tree-like structure. Each element in this structure should be able to return a Enumerable ... (or ReadOnlyCollections) instead? See Question&Answers more detail:os...

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Convert all sheets to PDF with Google Apps Script

I'm trying to convert a Google spreadsheet with multiple sheets to a PDF file. The script below works, but it ... {attachments:[array_blob]}); } See Question&Answers more detail:os...

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javascript - Convert TD columns into TR rows

Is there a quick way to translate (using CSS or Javascript) a tables TD into TR, currently I have: A B C D 1 2 3 4 and ... : A 1 B 2 C 3 D 4 ?? See Question&Answers more detail:os...

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css - Transparent rounded corners on Google Map

I need to make my google map V3 a full circle. I use CSS3 border radius on it, but it works correctly in ... at all. Any more ideas are needed See Question&Answers more detail:os...

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c# - Windows Forms Designer and WPF Designer for .NET Core

I have recently heard that the alpha version of .NET Core (.NET Core 3.0) supports Windows Forms and WPF. But the ... to work with .NET Core 3? See Question&Answers more detail:os...

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python - Minimal set of files required to distribute an embed-Cython-compiled code and make it work on any machine

TL;DR: how to use Cython as a distribution method instead of Py2exe, cx_freeze, pyinstaller, etc. Following ... previously installed on it)? See Question&Answers more detail:os...

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Supertype-subtype database design

I have a question about superype-subtype desing in a relational database. If I had a supertype with two ... the appropriate subtype table?? See Question&Answers more detail:os...

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javascript - Rounding numbers to 2 digits after comma

I have no idea how to do this? I'm adding comma numbers, result is of course always a number with way too many digits after the comma. anyone? See Question&Answers more detail:os...

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c++ - gcc: undefined reference to

I would like to compile this. program.c #include <libavcodec/avcodec.h> int main(){ int i = avpicture_get_size ... . Why is this happening? See Question&Answers more detail:os...

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c# - Proper way to Dispose of a BackGroundWorker

Would this be a proper way to dispose of a BackGroundWorker? I'm not sure if it is necesary to remove ... worker_DoWork); worker.Dispose(); } See Question&Answers more detail:os...

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

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