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language features - Python intern for non-strings

Why is Python's intern built-in only for strings? It should be possible to extend intern to classes that are hashable and comparable, right? 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 use components in v-html

I am trying to use components in v-html. I want to get html from own API, then I will show that. Here is ... know what is a mistake. Thank you. 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 - Is scanf("%d%d", &x, &x) well defined?

Is the following code well defined? #include <stdio.h> int ScanFirstOrSecond(const char *s, int *dest) { return sscanf(s ... . C11dr §7.21.6.2 4 See Question&Answers more detail:os...

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

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582 views

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Undefined reference C++

I'm trying to compile my first legit program that I'm converting from Java (I ran a test hello world type ... Code::Blocks on Ubuntu 10.10. See Question&Answers more detail:os...

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

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880 views

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wpf - Combine expander and grid (resizable expander)

I would like to have something like a resizable Expander. My basic idea was something like this: <Grid ... make the expander "resizable" See Question&Answers more detail:os...

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

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599 views

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javascript - jQuery 3 slim ajax basic example

I'm new to jQuery 3. The following is a basic fiddle, working with previous versions of jQuery, but does not work ... not a function( ) Why ? 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++ - Different compiler behavior for expression: auto p {make_pointer()};

Which is the correct behaviour for the following program? // example.cpp #include <iostream> #include <memory> struct ... example.cpp (code 2) See Question&Answers more detail:os...

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

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sql - How to pivot dynamically with date as column

I have a table with product id's and names, and another table with the stock of these products on certain dates. Such as ... | 2 | 2 | 4-1-2014 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 can I make a table in MySQL called "order"?

When I make a MySQL table order, it is created successfully but, when I execute any query against it, it ... our query against the order table? See Question&Answers more detail:os...

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

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blackberry - Passing Powershell variables into a scriptblock

I am trying to take powershell variables and apply them to a scriptblock. param( [string]$username = $(throw ... for reading, cheers Colm. See Question&Answers more detail:os...

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

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589 views

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javascript - JQuery detecting Programatic change event

If i do jQuery(expr).change( function), then I can get an event function to fire when the user makes a change ... 's value? Thanks for any 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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Difference between getValue() and getDisplayValue() on google app script

What is the difference of range.getDisplayValue() and range.getValue() on Google Apps Script? var ss = ... and Val2 are both same. 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 - Is it useful to use VZEROUPPER if your program+libraries contain no SSE instructions?

I understand it's important to use VZEROUPPER when mixing SSE and AVX code but what if I only use AVX (and ... (that might be using SSE). See Question&Answers more detail:os...

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

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http - Why this simple web server is called even number times?

I'm trying to learn Go web programming, and here is a simple web server: it prints out the times ... the function HelloWorld being called? See Question&Answers more detail:os...

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

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java - OffsetDateTime yielding "No injection source found for a parameter of type public javax.ws.rs.core.response" in GET method

I have the following GET REST method: import java.time.OffsetDateTime; import javax.ws.rs.Consumes; import ... REST services and OffsetDateTime? See Question&Answers more detail:os...

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

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575 views

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c++ - Compare equality of char[] in C

I have two variables: char charTime[] = "TIME"; char buf[] = "SOMETHINGELSE"; I want to check if these two are ... be different in C and C++? 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 do I subclass the build command?

The subject is self-descriptive: I need to subclass the setup.py build command in order to perform additional ... doing some custom steps. See Question&Answers more detail:os...

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

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1.2k views

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vb.net - ByVal and ByRef with reference type

Please see the code below: Public Class TypeTest Public variable1 As String End Class Public Class Form1 Private ... the function called: Test. See Question&Answers more detail:os...

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

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736 views

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amd processor - Android Studio emulator and AMD CPU

I can't run my app on standard Nexus 5 emulator. It seems it requires Intel HAXM but i have an AMD ... Intel processor (or installing Linux)? See Question&Answers more detail:os...

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

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600 views

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coffeescript - When does the "fat arrow" (=>) bind to "this" instance

The fat arrow can be used in different settings but it somehow doesn't always bind to the instance I want. See Question&Answers more detail:os...

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

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612 views

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jstl - Nested JSF Composite Components leading to a Stack Overflow exception

The problem When I attempt to nest a Composite Component within itself, with some logic to end the infinite ... my approach are very welcome See Question&Answers more detail:os...

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

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618 views

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c# - Asp .NET Button - OnClientClick="return function()" vs OnClientClick="function()"

In an asp.net user control I have a button: <asp:Button ID="addButton" runat="server" Text="Add" ... is the difference between the two? See Question&Answers more detail:os...

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

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1.2k views

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javascript - span inside button, is not clickable in Firefox

My CODE HTML: <p id="console"></p> <button>Click <span class="icon"></span> </button> JS: $('.icon ... ; inside span but its not working either. See Question&Answers more detail:os...

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

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867 views

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regex - remove all numeric characters from column mysql

I want to develop one mysql function that can remove only numeric characters from the 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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627 views

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objective c - @property and @synthesize

I'm very new to Objective C. (Two days now). When read about @synthesize, it seemed to overlap with ... in your @implementation section? ) See Question&Answers more detail:os...

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

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390 views

1 answer

MySQL: Querying for unicode entities

I need to find the word L?mm?nmyyntipalvelut from the database. Only, in the database it is in a field ... some line breaks to help readability. See Question&Answers more detail:os...

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

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474 views

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javascript - Direct call of a functional component

Stateless functional component is just a function that receives props and returns React element: const Foo = ... like described above? See Question&Answers more detail:os...

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

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442 views

1 answer

html - Chart.js not showing in Angular2 if it doesn't exist on the main page

It seems fine whenever I dump the chart to the main app.component.html, but as soon as I use it in a child ... ; lineChart.Line(data,opts); } } See Question&Answers more detail:os...

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

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