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php - Relation to many and get without this

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

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c++ - Why compilers put zeros into arrays while they do not have to?

I'm trying to understand when compilers should value initialize arrays and when they should default initialize it. ... for an automatic array? See Question&Answers more detail:os...

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

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html - Cant override bootstrap

I am trying to use bootstrap to give style to my grid but it makes it cover all the page. I tried to make ... ) th { background-color: black; } 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 I can split match letter in string PHP

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

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Why Kotlin's loop (for) not work correct with org.slf4j.Logger?

In my Kotlin project in folder src/resources/ I has file pairs_ids.txt. Here code: This is a property file: ... ) not work correct with logger? 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 - Call PHP file without using form action

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

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Simple Facebook Javascript post to stream example?

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

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python - Fastest way to read file searching for pattern matches

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css - HTML Position image on top of another

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sql - How to convert date stored as VARCHAR2 to 'MM/DD/YYYY HH24:MI:SS'?

I am looking to convert a date (stored as varchar2) e.g: 4/19/2016 6:42 to this date format MM/DD/ ... over PL/SQL, but anything works. 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 some reason for this kind of for-loop?

Is there some reason to write a for-loop like this in c? (first statement is left empty and ... referenced from Wolfenstein3D source code. 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++ - how to stop the Qtimer upon a condition

when i executing this Qtimer it says "invalid use of 'this' in non-member function" QTimer *timerStart( ) ... :Ball constructor, iT doesnt 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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javascript - jQuery Countdown Each Second

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How Would I Add A Second Google Map Marker Using This Script?

This is the code below. I can't figure out how to add a second marker, I've been toying with it for awhile but ... : myLatlng, map: map }); } 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# - Cannot implicitly convert type 'void' to 'System.Collections.Generic.Dictionary<string,bool>

This code works fine Dictionary<string, bool> test = new Dictionary<string, bool>(); test.Add("test string", ... why? what is the difference? 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 do I make a variable detect if it is greater than or less than another one?

I am currently learning Python, and I decided to build a small "Guess the Number" type of game. I am using the ... . Any help? 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# - How do I use the same XMLAttribute for multiple properties?

I have the below wrapper class. [Serializable] public class Vehicle { public string Make { get; set; } public ... my output shouldn't change. See Question&Answers more detail:os...

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

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ios - Decode from Base64 format in swift

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

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iphone - Multiplication table in Swift ios

I am learning how to make a multiplication table in swift and used override func viewDidLoad() { let n = Int ... all the values are displayed. 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# - Adding an item to a List<CustomClass> which is DataBinded to a DataGrid

Basically what I'am trying to do is to add a new Item into a DataGrid which has a DataBinded List<> to it. ... me with this I would be greatful 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 calculate integral with R

Here, I would like to have your helps on implementing calculation of integral on two vector. I checked pages on integral ... - c(14, 20, 5) 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 - Dynamic SQL Result INTO #Temp Table

I have to Execute a dynamic SQL SELECT Query And put Results into a #TempTable. DECLARE @StateId CHAR(3)=' ... SQL SELECT Are Dynamic. Thanks, See Question&Answers more detail:os...

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

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visual studio - How can I change the language from VB.NET to C#.NET in VS 2013

How can I change the language from VB.NET to C#.NET in VS 2013? By default VB.NET is set as the language. 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# - Filling two different datagridview with different tables from same DB

I'm working on a vet app, using C# and SQL. When I have access to the client history, it fills my pacient ... complete mess. I do what I can. 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++ - Why can't I use uniform initialization when I want to override a value?

bool a{ false }; Now I created a boolean variable, but if I want to do this: a { false }; a = false; ... method doesn't work, what's the reason? 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 UDP - Sending a string array from server to client

Hi and thanks in advance, So I'm trying to take an array of JList items and convert them to a string array (which ... I can use it? 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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How to rotate image in CSS/html

on my website I have a gallery with some pics of my girlfriend and me, but there are two pics that are ... this problem? Thank you very much. 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 - Output row with null value only if there isn't the same row with a non-null value

Trying to formulate my question as good as I can... I have a pricing table with historic data in it. So per ... row Can someone please 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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