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"Left side cannot be assigned to" for record type properties in Delphi

I'm curious to know why Delphi treats record type properties as read only: TRec = record A : integer; B ... any explanation for that behavior? See Question&Answers more detail:os...

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

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javascript - Angular 6 - process is not defined when trying to serve application

I am getting the following error when I try to serve my angular 6 application using cosmicjs: Uncaught ... specify the environment variables. See Question&Answers more detail:os...

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

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javascript - Changing data content on an Object Tag in HTML

I have an HTML page which contains an Object tag to host an embedded HTML page. <object style="border: none ... Test1' and 'Test2' respectively. See Question&Answers more detail:os...

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

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express - Enabling CORS in Create React App utility

I need to use CORS node module in React created using create-react-app utility. Since its a utility I am not ... . How can we achieve this? See Question&Answers more detail:os...

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

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Get Timezone Information in VBA (Excel)

I would like to determine a time offset to GMT/UTC (including daylight saving time) for different countries at a specific ... I do this in VBA? 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 - 'Library not loaded: @rpath/libcudart.7.5.dylib' TensorFlow Error on Mac

I'm using OS X El Capitan (10.11.4). I just downloaded TensorFlow using the pip install instructions ... TensorFlow up and running correctly? See Question&Answers more detail:os...

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

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How to set delay in Android onClick function

) I'm in a process of creating a memory game. My problem is that whenever i click for the second time, i can't ... ; klikniecia=0; } } } } } See Question&Answers more detail:os...

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

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javascript - How to get the canvas-relative position of an object that is in a group?

Normally an object's position relative to the canvas can be gotten from it's .left and .top attributes, ... position relative to the canvas? 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 - Stabilizing the standard library qsort?

I'm assuming that the good old qsort function in stdlib is not stable, because the man page doesn't say anything about ... else { return 0; } } See Question&Answers more detail:os...

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

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gdb - Change the working directory in Xcode

I managed to get my C++ project running in Xcode using cmake -G Xcode. Now I would like to debug it, ... set the working directory..but where?! 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 - Pandas won't fillna() inplace

I'm trying to fill NAs with "" on 4 specific columns in a data frame that are string/object types. I can ... frustrating. What am I doing wrong? See Question&Answers more detail:os...

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

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algorithm - Howto create combinations of several vectors without hardcoding loops in C++?

I have several data that looks like this: Vector1_elements = T,C,A Vector2_elements = C,G,A Vector3_elements = C,G,T .. ... ; } } } return 0; } 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# - Windows authentication in asp.net 5

I am building an intranet application in ASP .NET 5, MVC 6. I want to know how to enable Windows ... supports only Individual User Accounts. 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 - How to split an iterable into two lists with alternating elements

I want to split an iterable into two lists with alternating elements. Here is a working solution. But is there a simpler way ... 2', '4', '6']) See Question&Answers more detail:os...

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

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javascript - How to make a preselection for a select list generated by AngularJS?

<select ng-model="team.captain" ng-options="player.name for player in team.players"></select> This correctly ... in team.players"></select> 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 - How to change font-family of drop down's list item?

I have a drop-down that lists font families. Like Tahoma, Arial, Verdana, etc. I want to change the font- ... want to use any jQuery plugin. 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 - What does font-size really correspond to?

I am trying to find what the value set in the font-size CSS property is corresponding to. To give the context, I ... ? Thank you for your help. See Question&Answers more detail:os...

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

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performance - Java Streams: How to do an efficient "distinct and sort"?

Let's assume I've got a Stream<T> and want to get only distinct elements and sorted. The na?ve approach would ... value; return takeValue; }; } See Question&Answers more detail:os...

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

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typescript - Angular - Make multiple HTTP calls sequentially

I need to make a function to make HTTP calls sequentially inorder to use response of one call into other one ... (this.registerAPI, body); } See Question&Answers more detail:os...

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

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Creating a Silverlight DataTemplate in code

How do I create a silverlight data template in code? I've seen plenty of examples for WPF, but nothing for ... change the binding on the fly. See Question&Answers more detail:os...

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

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Javascript/HTML Storage Options Under File Protocol (file://)

I am developing an html application that is essentially a series of pages like a book. Within this ... another way to accomplish this See Question&Answers more detail:os...

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

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landscape portrait - Creating different layout for android phone and tablet

This is a basic android question. I have app which need to have different screen design for a phone and a ... making two different apps. Thanks 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# Structs: Unassigned local variable?

From the documentation: Unlike classes, structs can be instantiated without using a new operator. So why am I getting ... Vec2 x is a struct? See Question&Answers more detail:os...

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

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powershell - Redirect Write-Host statements to a file

I have a PowerShell script that I am debugging and would like to redirect all Write-Host statements to a file. Is there an easy way to do that? See Question&Answers more detail:os...

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

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excel - How to create a range from two ranges in VBA?

I have two ranges, each containing a single cell (for example "A1" and "C3"). How do I get a new range ... R1C2") instead of Range("A2"). See Question&Answers more detail:os...

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

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regex - Complete word matching using grepl in R

Consider the following example: > testLines <- c("I don't want to match this","This is what I want to match" ... I'm looking for is FALSE 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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python - Get root path of Flask application

I'm working on a Flask extension from which I want to create a directory in the project's root path on ... provides (such as get_root_path). 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# - An integer array as a key for Dictionary

I wish to have the dictionary which uses an array of integers as keys, and if the integer array has the same value ... ; string output = dic[b]; See Question&Answers more detail:os...

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

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