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SQL method to replace repeating blanks with single blanks

Is there a more elegant way of doing this. I want to replace repeating blanks with single blanks.... declare ... I would prefer generic SQL) See Question&Answers more detail:os...

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

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VBA - Convert string to UNICODE

I need to convert the string HTML from a mix of Cyrillic and Latin symbols to UNICODE. I tried the following: ... End With End Function IDEAS? See Question&Answers more detail:os...

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

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google colaboratory - Is there a way to use Python 3.5 instead of 3.6?

I need to install a library that is only compatible with Python 3.5, is there a way to change the Python version in Colab from 3.6 to 3.5? See Question&Answers more detail:os...

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

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r - set ggplot plots to have same x-axis width and same space between dot plot rows

Updated question to incorporate a partial solution already answered on SO I am using ggplot2 to create several plots and ... gA, gB, ncol=1) 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 - PyQt5 - QThread: Destroyed while thread is still running

I am trying to figure out why this code crashes if I try to run the threads for a second time once they are ... show() sys.exit(app.exec_()) See Question&Answers more detail:os...

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

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fpga - Using a continous assignment in a Verilog procedure?

Is it possible and/or useful to ever use a continuous assignment in a Verilog procedure? For example, would there ... assign data_in = Data; end See Question&Answers more detail:os...

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

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javafx 2 - How to reset progress indicator between tasks in JavaFX2?

I have one progress indicator on my main screen UI that is shared by various tabs and services. Each ... should reset the progress Indicator. 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# - Why does .ToString() on a null string cause a null error, when .ToString() works fine on a nullable int with null value?

selectedItem has two fields: int? _cost string _serialNumber In this example, _cost and _serialNumber of selectedItem are ... on a null string? See Question&Answers more detail:os...

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

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reactjs - Invariant failed: You should not use <Route> outside a <Router>

I use react-router-dom for routing in my React application. Part of my app extracted in another package. List of ... .getElementById('root'), ); See Question&Answers more detail:os...

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

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.net - how to compare string with enum in C#

string strName = "John"; public enum Name { John,Peter } private void DoSomething(string myname) { case1: if( ... () on enum is deprecated?? See Question&Answers more detail:os...

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

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383 views

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java - How do I include &, <, > etc in XML attribute values

I want to create an XML file which will be used to store the structure of a Java program. I am able to ... there any other workaround for it? See Question&Answers more detail:os...

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

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In PHP, how do I check if a function exists?

How can I check if the function my_function already exists in PHP? See Question&Answers more detail:os...

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

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ecma262 - Javascript IN operator compatibility

Can someone tell me since which ECMA version the IN operator is available and which browsers (versions) support ... an attribute of myObject } See Question&Answers more detail:os...

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

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270 views

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c++ - Why the sizeof(bool) is not defined to be one, by the Standard itself?

Size of char, signed char and unsigned char is defined to be 1 byte, by the C++ Standard itself. I'm wondering ... char), and it's all variants. 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++ - Throw in constexpr function

The following piece of code compiles under clang++ 3.7.0 but is denied by g++ 5.3.1. Both have -std ... : 32;@m32 Selected multilib: .;@m64 See Question&Answers more detail:os...

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

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243 views

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python - Get request body as string in Django

I'm sending a POST request with JSON body to a Django server (fairly standard). On the server I need to ... , with the correct encoding applied? See Question&Answers more detail:os...

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

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380 views

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javascript - Random floating point double in Inclusive Range

We can easily get random floating point numbers within a desired range [X,Y) (note that X is inclusive ... if this question is inappropriate. See Question&Answers more detail:os...

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

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632 views

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c# - How accurate is System.Diagnostics.Stopwatch?

How accurate is System.Diagnostics.Stopwatch? I am trying to do some metrics for different code paths ... gives incorrect information. See Question&Answers more detail:os...

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

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563 views

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javascript - How to detect URL changes with jQuery

How can jQuery detect changes to a url? For example: If a user goes to a page site.com/faq/ nothing ... jquery detects it and does something. See Question&Answers more detail:os...

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

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259 views

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c++ - Enable a single warning in Visual Studio

Is there a compiler switch to enable a single warning in Visual Studio? The reason I ask is I want ... Warnings still only mention disabling. See Question&Answers more detail:os...

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

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524 views

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python - SSH key generated by ssh-keygen is not recognized by Paramiko: "not a valid RSA private key file"

I have the following code: ssh_key = paramiko.RSAKey.from_private_key_file(key_filename) the key looks like this: ---- ... 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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250 views

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javascript - How does event handlers with arrow functions achieve context binding

I know about the general theory of this binding (function call site what matters, implicit, explicit binding, etc.. ... case, step-by-step? See Question&Answers more detail:os...

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

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211 views

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html - Html5 canvas scrolling vertically and horizontally

<!DOCTYPE html> <html> <head> <style type="text/css"> #canvasOne { border: 1px solid black; } </style> <script ... as i am not able to scroll. See Question&Answers more detail:os...

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

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385 views

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colors - Coloring individual triangles in a triangle mesh on javafx

I have a triangle mesh object in JAVAFX and would like to either color individual triangles of the triangle mesh or ... there is a easier way. See Question&Answers more detail:os...

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

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398 views

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html - Why does CSS Grid layout add extra gaps between cells?

Can't figure out why CSS grid layout adds an unwanted extra space to content around the vertical cells, though margin ... "> </figure> </div> See Question&Answers more detail:os...

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

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354 views

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How to create a Word Document using Apache POI?

How to create a Word Document using Apache POI? I am developing a Resume Editor for Atlassian Confluence as ... tutorials witch can help me. See Question&Answers more detail:os...

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

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667 views

1 answer

css - Why centering with margin 0 auto works with display:block but does not work with display:inline-block ?

Just a quick question that was bugging my mind : Why centering with margin:0 auto does work fine with ... :inline-block Thanks for answers See Question&Answers more detail:os...

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

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760 views

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windows - Why does the Python 2.7 AMD 64 installer seem to run Python in 32 bit mode?

I've installed Python 2.7 from the python-2.7.amd64.msi package from python.org. It installs and runs ... actually runs in 64-bit mode? See Question&Answers more detail:os...

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

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