Solutions

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Solutions

A growing collection of IT solutions. Including solutions to problems encountered in development related to .NET, Python, Web, operating system.

Navigation

• DB database related
• ETC Items without clear classification
• Electron Electron related items
• Icons Various icons
• Micro.NET Microsoft .NET Related
• OS operating system related (Windows, Linux, Mac OS
• Python Python related
• ScreenShoot Screenshot
• Web front-end related

DB

Oracle use case.md

oracle listener.ora and tsnames.ora configuration.md

Common oracle operation commands.md

plsql activation.txt

Completely uninstall oracle11g.md

ETC

images

List of usage of Alt key.md

GitHub displays GIF graphs in ReadMe.md

Github library naming specification.md

MindManager2018 key (key).md

Moxa redundant networking configuration.docx

PACK 3.txt

Typora 0.9.32(Beta) Version bug example.md

VS2017 key (key).md

cmd collection.txt

dataGridView EndEdit method function.md

editPlus4.0 registration code online generation tool.md

Inno setup calls win32 dll file.md

oracleDBCconcle service cannot start.txt

How to Copy files under Windows to virtual machine Linux system.md

win7wifi.txt

List of functions of other key combinations of windows keys (win10 version).md

Word After entering the header content, the surrounding cropping boxes disappeared.md

Add the function of right-click cmd or Powershell to open the current directory for Windows.md

Why bother to lift Apple and mock Microsoft.md

As a developer, why don't I play online games anymore.md

Stop bat 5 seconds.txt

About vulnerability that does not completely limit pornhub.md

Compatibility.txt

Delete several points of attention for oracle.txt

General shortcut keys.txt

Development Engineer.mmap

Packaging VS project.md

Regular expression use case.md

Register ocx control.md

Add vsCode to right click to open .reg

Environment variable.txt

Disk array.txt

Programmers are like pregnant women.md

Read xml document.md

Free up Windows reserved memory, increase the number of CPUs in use to improve the performance of the entire machine.md

Lock the table and uninstall it.txt

Focus on doing big things.md

Electron

Electron rendering process interacts with the main process.md

bootstrap progressbar has no dynamic effect.md

electron require is not defined.md

electron introduces bootstrap attention.md

Modify npm source.txt

Modify npm's proxy.md

Icons

1.png

129-search.png

329-search.png

CutImage.png

Denided.png

OFF.png

OK.png

ON.png

Setting.png

about.png

add.png

add1.png

arrow484.png

arrow499.png

arrow505.png

arrow506.png

arrow_left.png

arrowleft_green.png

back.png

back_full.png

bg.png

buttons_04.png

buttons_29.png

contacts.png

error.png

eye88.png

filter.png

filter13.png

filter_filler_filled.png

floppy-icon.png

full.png

gray.png

grayM.png

grayS.png

green.png

increase.png

logo.png

m1.png

m11.png

max.png

min.png

normal.png

open-file.png

pencil109.png

red.png

reset.png

save (2).png

save-as.png

save.png

search.png

sign-right-icon.png

single.png

start.png

stop (2).png

stop.ico

stop.png

up39.png

warning.png

yellow.png

Micro.NET

images

Attribute+Reflection Code Example.cs

C# 5s one-time task.md

C# Framework vs and windows operating system.md

C# WPF implements mouse dragging code slice.md

Convert strings to date in C#.md

C# How to get the node attribute value specified in XML file.md

C#Drawing.Color to Media.Color.md

C#WPF makes the splashScreen image display longer.md

C# Winform implements dataGridView item also scrolls when pulling the scrollbar.md

C# Winform prompts that InitialComponent() solution cannot be found.md

C# Winform Custom DataGridView with source code.md

C# Winform connection and access Access database.md

C# dataGridView Remove will not clear dataGridView line.md

C#ping command.md

A C#using statement use case.md

C# Correct way to get filenames from paths.md

C# stop window closing event occurs.md

C# About Microsoft flowDocument not showing png images Bug.md

C# determines the working status of the printer.md

C# sends Get or Post request to request html page.md

C# implements small demo.md for dragging files

C# implements toolTip prompt pop-up when the mouse is hovering on a listview item.md

C# screenshot operation.md

C# specifies the default event of the control.md

C# specifies that methods or events or classes are outdated.md

C# regular expressions perform simple string matching recognition.md

C# regular expressions verify whether the input is a computable decimal.md

C# comment type.md

C# In-depth summary - Async Await.md

C# In-depth summary - File IO.md

C# In-depth summary - File directory search.md

C# add listBox right-click menu.md

C# version and framework version.md

C# terminates the current process.md

C# get system (special) icons (such as my computer, recycling bin), etc. md

C# Set Path.Data instead of .md in XAML

C# read and write files should be retrieved.md

C# call API registration shortcut key.md

C# calls NPOI to create Excel document cell writing problem.md

C# calls NPOI to create a cell written into data after combining Excel documents.md

Summary of the method of creating Excel document style setting by calling NPOI in C#.md

C# calls NPOI to automatically create Excel documents (a).md

C# operator priority.md

C# traversal the correct posture of Queue.md

C# Hide system events.md

Introduction of Access database to generate installation package after installation permissions in C# project.md

C# project obtains permission to install the target machine C disk.md

ClipToBounds property.md

Code128 barcode C# source code + with text below.md

Code39 code and extended Code39 code C# source code.md

After editing a DataGridView, a cell will be automatically sorted according to a column.md

FloatLayerBase.cs

IIS configuration cannot write to a dll.md in a temporary folder under the framework path

LINQ determines whether the selected column of datagridview has English letters.md

LINQ finds all the values ​​that appear in a column of datatable (excluding duplicate data).md

LINQ Sort by numerical value DataTable.md

LINQ query the repeated occurrence of the selected column of DataGridView.md

NPOI2.1.1 generates Excel file (c#).md

NPOI Excel reference.cs

Popup control location problem.md

Queue and Stack value summary.md

TextBox in ScrollViewer cannot directly get focus.md

Problem of UserControl failing to assign attributes.md

VS writes the path of resources introduced in C# debugging state.md

WCF service testing tool.md

The role of WPF AllowsTransparency.md

WPF(C#) implements a two-dimensional basic element generation system.md

WPF different forms refer to the same resource, causing the previous form resource not to be displayed in the form.md

WPF adds a faint shadow effect around the control.md

WPF creates ContentTextMenu.txt

WPF determines whether the dragged file or folder.md

WPF Reference Document.md

WPF control overlay drawing graphics.md

WPF changes visual tree structure animation failure.md

WPF finds controls with specified type name, super simple method.md

WPF sample collection.md

WPF registration Brush type attribute.md

WPF disable TextBox right-click menu.md

WPF class library project.md

WPF draws a discontinuous line.md

The difference between WPF inherited from Panel and from ContentControl.md

WPF Scaling - Matrix Transform.md

WPF custom Button style standard writing method.md

Background logic writing of WPF custom pop-up frame.md

Reference writing of WPF custom popup window.md

WPF custom control drag and drop to the interface report an error - the object is not set to the referenced instance.md

The difference and connection between WebService and WCF.md

Windows Development Tools.md

Winform .NET 4.0 supports 2.0 assembly .txt

Written like this by Winform CustomControl.md

XML document annotation tag.md

c# evenly spaced characters.md

c# design pattern.md

dataGridView cannot load table created by oracle system user.md

dataGridView refreshes slowly while scrolling.md

datagridview sorting columns with numeric values ​​that can be nullable

DataGridview data to DataTable standard writing method.md

The source code of user32.dll.md

vs define application icon.md

Winform control repaint.md

wpf adds attributes to custom controls.md

wpf dynamic (c# code) specifies the style of ListBoxItem.md

wpf base style and inherited style.md

How to reference font files by wpf.md

wpf defines ListBox style.md

wpf minimizes closed form.md

wpf defines events for custom controls.md

The difference between wpf static resources and dynamic resources.md

Can't drag and drop the uploaded md file.md

Do not let DateTime type data be used as the key.md of the dictionary

Irregular form demo.md

Don't allow text boxes to accept keyboard keys.md

Serial port operation reference.cs

Bind data source.md for DevExpress GridControl

Append node.md to XML documents with existing node structure

Depth.md

Regarding the issue that PopUp does not display.md

Bubble sorting and its optimization.md

Write a very humble C# project, mainly depends on the structure.md

Write logs.cs

Create a blank XML document.md

Determine whether the double value is equal to NaN.md

Strategy for determining the connection status of network ports and serial ports.cs

Use user32.dll to drag the form.md

Make Ionica icon.md

Dynamic information prompt control.cs

Hungarian nomenclature.md

Reflection manipulation database example.cs

Reflect to get all public fields in a structure.cs

Send windows command to drag four corners to change the size of the form.cs

KeyValue value of each keyboard key.md

Comparison of various sorting algorithms.md

Copy the last line of datagridview and set the color to mark it.md

How to prove that Struct is a value type and Class is a reference type.md

Delegate event implements one form to another.md

Delegate events to achieve interoperability between forms.md

Byte array to hexadecimal string.cs

Define events.cs

Implement the selection of an item in ListBox when pressing the up and down arrow keys in the text box.md

BadImageFormatException is raised when trying to load Oracle client library if running in 64-bit mode with 32-bit Oracle client components installed.md

The actual effect of moving left and right XOR.md

Pan-move painting.md

Loop through the data column of each row of DataGridView.md

Microsoft FlowDocument new bug.md

An example of a bug in Microsoft trackbar control.md

Quick sort.md

How to write a control library in C#.md

Screenshot.cs

The so-called barcode.md

Open VS2017 vertical scrollbar thumbnail mode.md

Literacy, what is synchronous asynchronous.md

Make resources into dlls for other programs to call.md

Drag the custom control to change its width and height accordingly.md

Core steps for plug-in program development.txt

Support NET4.0.png

The difference between KeyDown and PreviewKeyDown in text boxes.md

Why use using.md when creating a document

Unable to start the project containing the class library directly.md

The easiest way to determine whether the datagridView cell data changes method when pressing Enter.md

Useful C# code snippet.md

How many times do conditions determine.md

Check whether a port is occupied.md

Detect USB plug-in and unplugging.md

Registry operations.cs

Fade out form.md

Click the DataGridView column header to select this column immediately.md

Generate coordinate system (grid).md

Use Cython to encapsulate Python source code.md

Export dll API list using Visual Studio command prompt tool.md

A piece of code similar to the PopUp control in WPF implemented using winform.md

Reference writing of directories and files.md

Move DataGridView to select line.md

Draw rounded corners Label.cs

Network port operation example.cs

Get the value of a grid in the ComboBox column in the DataGridView.md

Calculate which column is a column of Excel.md

Calculate the serial port network transmission rate.txt

Make the elements in UserControl equal to the main Window.md

Read xml document.md

Continuously move datagridview a row.md

Select all items of checkListBox.md

Recursive dichotomy.md

Catch the Bug.md of VisualStudio2017 Enterprise Edition

One thing to remember when setting data source for datagridview again.md

Repaint ComboBox background color.cs

Repaint textbox.cs

Repaint textbox2.cs

Reload the OnSizeChanged event to reset the form.cs

Overload Paint to draw rounded corners form.cs

Hide file or folder.md

Static area accesses non-static variable C#.md

Mouse pulley rolling down event.md

OS

images

Centos starts a service by itself.md

Detailed explanation of apache, mysql, php configuration.md

msconfig sets maximum memory, causing the computer to fail to start.md

After php connected to Apache, the test found that there was garbled code.md

The windows start menu is disabled, and the menu can be popped up, but the solution cannot be operated with the mouse.md

yum installation php.md

Nothing to build a website.md

From now on, no longer confuses LAMP configuration.md

Turn off Windows 10 animation effect to improve computer performance.md

Delete mysql service-scattered package.md

Delete files or folders with special role permissions.md

Use SFTP and FileZilla to transfer data to the server.md

After renaming the recycle bin, you can no longer modify the name of the recycle bin by modifying LocalizedString.md

Install gnome-tweak-tool.txt

Pin the shortcut to the start menu.md

Recover mysql database.md

After building wordPress, the problem of mysql service being killed periodically occurs.md

After the server has replaced the system image, Putty cannot connect to the server for the first time.md

The server was attacked, and the cloud system prompted me to log in remote location.md

Compile and install PHP.md

How to configure the Apache server on the website.md

Custom garbage candle name - Windows.md

Record a Mysql reading data problem.md

Set double-click to open an application.md

Set mysql password.md

Remote login to mysql server.png

Configure Apache virtual host.md

Configure mysql-5.7.22-winx64.md

Issues of uploading images by wordPress after the first installation.md

Python

error LINK 1158 cannot run rc.exe.txt when Cython compiles

Python operation sqlite.md

Tensorflow TypeError ufunc matmul did not contain a loop with signature matching types dtype(U32) dtype(U32) dtype(U32).md

Depth.md

Install whl file error.whl is not a supported wheel on this platform.txt

Change the Pip source.md

Generate Mnist image to local.md

Use Cython to encapsulate Python source code.md

Neural Network Classification Mnist Dataset.md

Exit python program.md

ScreenShoot

Data logging strategy.png

Web

CSS button background gradient.md

CSS disable scrollbar.md

CSS disables scrollbar but still scrolls.md

JS toggle picture.md

Quote bootstrap font icon.md