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c++ - Override member field in derived classes

I have a code snippet below: #include <iostream> using namespace std; class Base { public: Base() : b( ... define its getter and setter? See Question&Answers more detail:os...

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

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mysql like performance boost

is there anyway to speed up mysql like operator performance if wild card is involved? eg. like '%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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Why does Lua's length (#) operator return unexpected values?

Lua has the # operator to compute the "length" of a table being used as an array. I checked this operator ... ? Can someone explain the rules? See Question&Answers more detail:os...

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

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347 views

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python - import csv with different number of columns per row using Pandas

What is the best approach for importing a CSV that has a different number of columns for each row using Pandas or ... fields in line 2, saw 8 See Question&Answers more detail:os...

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

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html - Linking to CSS in an SVG embedded by an IMG tag

I have a page, that includes several SVG files. To synchronize the styling of those SVG files I wanted to create ... (perhaps HTML or XHTML)." 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 - What's the difference between logical SSE intrinsics?

Is there any difference between logical SSE intrinsics for different types? For example if we take OR operation, there ... do the same thing? 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 can I send an HTTP request from my FastAPI app to another site (API)?

I am trying to send 100 requests at a time to a server http://httpbin.org/uuid using the following code snippet ... what mistake I'm doing here. See Question&Answers more detail:os...

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

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Getting complete PATH of uploaded file - PHP

I have a form(HTML, PHP) that lets the end user upload a file to update the database(MySQL) with the records ... : No such file or directory ?> 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# - Can you prevent your ASP.NET application from shutting down?

I think I heard that ASP.NET applications will shut down after a while of being idle (i.e. no visitors). ... the site. Thanks in advance! See Question&Answers more detail:os...

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

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node.js - nodeJS max header size in http.request

With nodeJS v0.10.28, is there a limit in the size/length of the header content in an http request? Let me ... ? what solution do I have? Thanks See Question&Answers more detail:os...

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

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333 views

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Deleting rows in google sheets using Google Apps Script

I encountered the weirdest error while trying to delete rows that match a specific value using Google Apps Script. ... that I'm missing here? See Question&Answers more detail:os...

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

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483 views

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Mongodb query specific month|year not date

How can I query a specific month in mongodb, not date range, I need month to make a list of customer birthday ... how to do this simple thing. See Question&Answers more detail:os...

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

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294 views

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python - Unbounded range()

Is there an unbounded version of range (or xrange for Python 2), or is it necessary to define it manually? For ... it just keeps on truckin'. See Question&Answers more detail:os...

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

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Adding to an ArrayList Java

I am a beginner to java, and need some help. I am trying to convert an Abstract Data type Foo which is an ... . Thanks for the help in advance. See Question&Answers more detail:os...

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

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css - Is there a way to import variables from javascript to sass or vice versa?

I am making a css grid system that relies on the concept of blocks. So I have a base file like: $max- ... /css to javascript or vice versa? See Question&Answers more detail:os...

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

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StackTrace in Flash / ActionScript 3.0

I want to see the stack trace in any function of my code, so i made somthing like this to call it and print ... , but i want to know. Thanks! See Question&Answers more detail:os...

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

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111 views

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Getting value from JQUERY datepicker

If I want to display the JQUERY UI datepicker inline by attaching it to a DIV like $("div#someID"). ... answer is somewhere really obvious. See Question&Answers more detail:os...

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

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533 views

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mysql - importing a CSV into phpmyadmin

I have a CSV that looks like this, candidate_id,show_on_site,first_name,surname,gender,DOB,showdob,Location,height,eyes, ... , D, E etc. See Question&Answers more detail:os...

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

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447 views

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mysql - php code to test pdo is available?

I want to use PDO but I'm not sure whether my hosting has set it up properly. How can I test, in PHP, whether it is setup and working for MySQL? See Question&Answers more detail:os...

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

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Can PHP and ASP.Net run together within the same web site in IIS 7.5?

A portion of our site is done in PHP and a portion of our site is done in ASP.Net. We just set up a new ... one web site for the ASP.Net pages? See Question&Answers more detail:os...

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

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586 views

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ms access - [] brackets in sql statements

What do the brackets do in a sql statement? For example, in the statement: insert into table1 ([columnname1], ... table name is in brackets? See Question&Answers more detail:os...

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

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399 views

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python - numpy array dtype is coming as int32 by default in a windows 10 64 bit machine

I have installed Anaconda 3 64 bit on my laptop and written the following code in Spyder: import numpy.distutils. ... ? Any help is appreciated. 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 specify a range of unicode characters

How do I specify a range of unicode characters from ' ' (space) to u00D7FF? I have a regular expression ... forgetting or haven't learned yet? See Question&Answers more detail:os...

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

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691 views

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python - pandas fillna not working

I have a dataframe with nans in it: >>>df.head() Out[1]: JPM US SMALLER COMPANIES C ACC 1990-01-02 NaN 1990 ... happening? I am on pandas 0.13.1 See Question&Answers more detail:os...

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

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609 views

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jquery - How to disable Chrome's saved password prompt setting through JavaScript

Is there any way to manipulate Chrome settings with the help of JavaScript or jQuery? I want to disable the save ... JavaScript. How to do this? See Question&Answers more detail:os...

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

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535 views

1 answer

python - PIL open() method not working with BytesIO

For some reason, when I try to make an image from a BytesIO steam, it can't identify the image. Here ... using the Pillow implementation of PIL. See Question&Answers more detail:os...

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

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479 views

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python - Changing pixel color value in PIL

I need to change pixel color of an image in python. Except for the pixel value (255, 0, 0) red I need to change ... else: pixel = [0, 0, 0] See Question&Answers more detail:os...

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

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289 views

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c++ - Detect when multiple enum items map to same value

Is there a compile-time way to detect / prevent duplicate values within a C/C++ enumeration? The catch is that there ... C and C++ is better. See Question&Answers more detail:os...

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

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