PublicFunction | PHP公共方法整理-php_header用法 | HTTP library
kandi X-RAY | PublicFunction Summary
kandi X-RAY | PublicFunction Summary
header('HTTP/1.1 404 Not Found');. header('HTTP/1.1 301 Moved Permanently');. print 'You will be redirected in 10 seconds';//当然，也可以使用html语法实现//.
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QUESTION
I'm using Vue's composition API (in Vue.js 3) and build my component logic mostly within setup(). While accessing my own props via setup(props) is straight forward, I'm unable to expose the functions defined here as methods in a type-safe manner.
The following works, but I need the any-cast, since there's no method interface exposed to TypeScript.
...ANSWER
Answered 2021-Apr-01 at 18:11You're looking for InstanceType.
QUESTION
I am trying to setup a context in React to handle user information which will be called once a user has logged in to the system. However, I am having trouble setting the user in the first place.
As it is, the user will enter their login info, and selected a role from a dropdown list. The API then returns a result based on the login info. I am trying to update the user context based on that result, but the user value in UserContext just ends up as undefined when I try to set it with useUserUpdate? what am I doing wrong here?
I have tried making the custom hook, useUserUpdate, to handle manipulating the user state, but it is not working and I am rather lost. I think this is where the issue is coming from as I have console.log all over the place and have seen that when calling this hook is when user becomes undefined. Any help that could be provided would be greatly appreciated.
App.js
...ANSWER
Answered 2021-Mar-26 at 09:25You defined the handler as taking an object as an argument that contains the user but when calling the userUpdate function you pass the user directly:
QUESTION
var publicFunctions = new PublicFunctionsController();
if (!publicFunctions.CheckSession(Session["id"])) { RedirectToAction("Index", "Home"); };
var src = DateTime.Now;
var date = new DateTime(src.Year, src.Month, src.Day, src.Hour, src.Minute, 00);
var arrow = OverUnder == "Over" ? $"EndTime >= {date}" : OverUnder == "Under" ? $"EndTime <= {date}" : "";
var userCategories = Categoriesb == "" ? "" : $"Categories IN ({Categoriesb})";
var lastId = $"Id > {Id}";
var firstAnd = arrow == "" ? "" : "AND";
var secondAnd = userCategories == "" ? "" : "AND";
var sortByViews = ifViews == 1 ? "ORDER BY Views DESC" : "";
//var strin = $"SELECT TOP 5 StatementTitle, Statement, ArgumentTitle, Argument, Explanation, Categories, EndTime, SessionId, Id FROM Statements WHERE {arrow} {firstAnd} {userCategories} {secondAnd} {lastId} ORDER BY Id DESC {sortByViews}";
//the above works when used as query but below does not
var queryString = "SELECT TOP 5 StatementTitle, Statement, ArgumentTitle, Argument, Explanation, Categories, EndTime, SessionId, Id FROM Statements WHERE @arrow @firstAnd @userCategories @secondAnd @lastId ORDER BY Id DESC @sortByViews";
List data = new List();
var con = publicFunctions.Connection();
con.Open();
SqlCommand command = new SqlCommand(queryString, con); //figure out or for like clause
command.Parameters.AddWithValue("@arrow", arrow);
command.Parameters.AddWithValue("@firstAnd", firstAnd);
command.Parameters.AddWithValue("@userCategories", userCategories);
command.Parameters.AddWithValue("@secondAnd", secondAnd);
command.Parameters.AddWithValue("@lastId", lastId);
command.Parameters.AddWithValue("@sortByViews", sortByViews);
SqlDataReader reader = command.ExecuteReader();
//error at first and
ANSWER
Answered 2021-Jan-14 at 21:46You can not pass statements as parameters to the query, instead pass actual values.
You can use StringBuilder to build sql query with parameters based on conditions.
QUESTION
I am working on a pdf editor.
I have made my changes on pdf files with OpenPDF core that is based on iText
And I am viewing the Pdf file with AndroidPdfViewer
My problems are:
Adding new annotations like text or tags or icons into an existing pdf file. ( SOLVED )
Show new changes right after annotations added into pdf file.( SOLVED )
Convert user click into Pdf file coordinates to add new annotation based on user clicked location.
Get click event on added annotations and read meta data that added into that annotation , for ex: read tag hash id that sets on icon annotation. ( SOLVED )
Remove added annotation from PDF File.
Any help appreciated
UPDATE========================================================================
Solution 1: Adding annotations- Here is my code snippet for adding icon annotation into existing pdf file.
ANSWER
Answered 2020-Dec-10 at 09:56Here is my code snippet for adding text into pdf file,
Your code does not add text into an existing pdf file. It creates a new PDF, adds text to it, and appends this new PDF to the existing file presumably already containing a PDF. The result is one file containing two PDFs.
Concatenating two files of the same type only seldom results in a valid file of that type. This does works for some textual formats (plain text, csv, ...) but hardly ever for binary formats, in particular not for PDFs.
Thus, your viewer gets to show a file which is invalid as a PDF, so your viewer could simply have displayed an error and quit. But PDF viewers are notorious for trying to repair the files they are given, each viewer in its own way. Thus, depending on the viewer you could also see either only the original file, only the new file, a combination of both, an empty file, or some other repair result.
So your observation,
but this will replace with all of the Pdf file, not just inserting into it
is not surprising but may well differ from viewer to viewer.
To actually change an existing file with OpenPDF (or any iText version before 6 or other library forked from such a version) you should read the existing PDF using a PdfReader, manipulate that reader in a PdfStamper, and close that stamper.
For example:
QUESTION
I try to transplant project from Code::Blocks to Visual C++ 2019. After that, I am undergoing some performance problems.
The most considerable performance dropping is that when I need to generate large amount of random double variables.
After Searching for information from the internet, I still can't give a reasonable explain for this.
I briefly extract part of my code below:
...ANSWER
Answered 2020-Dec-09 at 19:50First, thanks for @churill commented. His advice is very useful.
There are a lot differences between Debug and Release.
The key factor of influence to this problem is that Release will optimize when compiling.
For more information:
QUESTION
I'm trying to write a unittest but I'm running into some problems.
I've got a class which has an int to keep track of the current state. All classes that are inherited of this class can change the state by calling the protectedFunction.
...ANSWER
Answered 2020-Dec-08 at 15:34Your class declares a free-standing function to be friend.
Your unit test uses a member function of a class, the class is not declared friend.
You can write friend class UnitTestRandomClass;
Specifically, what you want to do, make a member function of a future derived class a friend is not provided by the standard. There is no syntax for that.
QUESTION
// myclass.h
#pragma once
void publicFunction();
//------
// myclass.cpp
#include "myclass.h"
#include
void privateFunction() {
std::cout << "Hello world\n";
}
void publicFunction() {
privateFunction();
}
//-------
// main.cpp
#include "myclass.h"
#include
void privateFunction() {
std::cout << "Hello main\n";
}
int main()
{
privateFunction();
}
ANSWER
Answered 2020-Aug-15 at 13:21Solution 1:
Declare the function static.
QUESTION
I can play any mp4 video using Exoplayer in my Android project. But the video uploaded to Google drive or blogspot site is not playing in Exoplayer. Is there any solution to this problem?
Here's the code I'm using:
...ANSWER
Answered 2020-Jul-06 at 17:53https://bestmedicalpdf.blogspot.com/2020/05/mrcpwiz-free-mrcp-mcqs-mrcpwiz-your.html is a webpage and not the url to a video or audio file.
QUESTION
If I am creating a library that exposes one public header file, which may take or return a publicly exposed enum, how would I use that enum internally without also creating a circular dependency in header files?
For example :
Public.h
...ANSWER
Answered 2020-Jun-17 at 00:05An include guard cannot help you because if public.h is included first, the logical case for the library's clients, you will wind up with
QUESTION
The ES6 module that I want to test looks as follows:
...ANSWER
Answered 2017-Apr-07 at 06:27There is no way through the nature of JavaScript. The function is bound to the scope of the module, so there is no way to know that this function exists from the outside, so no way to access the function and in the end no way to mock it.
Maybe more important, you should not test on the internals of the object under test but only the public API. Cause that is everything that counts. No one cares how stuff is done internally as long as the public API stays stable.
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Install PublicFunction
PHP requires the Visual C runtime (CRT). The Microsoft Visual C++ Redistributable for Visual Studio 2019 is suitable for all these PHP versions, see visualstudio.microsoft.com. You MUST download the x86 CRT for PHP x86 builds and the x64 CRT for PHP x64 builds. The CRT installer supports the /quiet and /norestart command-line switches, so you can also script it.
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