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python - How to avoid infinite recursion with super()?

I have code like this: class A(object): def __init__(self): self.a = 1 class B(A): def __init__(self): ... stack overflow. How can I solve 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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r - Using multiple criteria in subset function and logical operators

If I want to select a subset of data in R, I can use the subset function. I wanted to base an analysis ... why did the first approach not work? See Question&Answers more detail:os...

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

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android share images from assets folder

I'm trying to share an image from my assets folder. My code is: Intent share = new Intent(Intent.ACTION_SEND); ... work. Do you have any 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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Why is crontab not executing my PHP script?

I have built one php file to check some result, so that I need to setup a cronjob. I set one to run every 30 ... * * * * and did not work. 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 (Excel) Dictionary on Mac?

I have an Excel VBA project that makes heavy use of Windows Scripting Dictionary objects. I recently had ... Else DoTheWindowsRoutine End If 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# - Algorithm to find which numbers from a list of size n sum to another number

I have a decimal number (let's call it goal) and an array of other decimal numbers (let's call the ... Solve(decimal goal, decimal[] elements) 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 - Get caret index in contenteditable div including tags

I have a contentEditable div in which I have multiple tags (br, b, u, i) and text. I need to get the caret ... it to work in Firefox. 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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Is it better to use "is" or "==" for number comparison in Python?

Is it better to use the "is" operator or the "==" operator to compare two numbers in Python? Examples: >>> a = 1 ... 0 False >>> a == 0 False See Question&Answers more detail:os...

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

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php - Exception: Serialization of 'Closure' is not allowed

So I am not sure exactly what I would have to show you guys, how ever if you need more code please do not ... /tmp/mail/ directory in a file. 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: Find DIV's line-height, not CSS property but actual line-height

Let's say I have a DIV: <div></div> and I want to find out with JS what its line-height is. I ... the line-height of an element with JavaScript? See Question&Answers more detail:os...

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

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url - XHTML and & (Ampersand) encoding

My website is XHTML Transitional compliant except for one thing: the & (ampersand) in the URL are written as ... /search?q=ff&sort=newest See Question&Answers more detail:os...

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

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Change image source with JavaScript

So I'm new with JavaScript (this is actually my first attempt to make something work) and I'm having a bit of ... something? Help me please :-) See Question&Answers more detail:os...

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

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scala - Defining a UDF that accepts an Array of objects in a Spark DataFrame?

When working with Spark's DataFrames, User Defined Functions (UDFs) are required for mapping data in columns. UDFs ... type I need to provide. See Question&Answers more detail:os...

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

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emacs - automatically disable a global minor mode for a specific major mode

I have centered-cursor-mode activated globaly, like this: (require 'centered-cursor-mode) (global-centered-cursor- ... repl slime-autodoc)))) 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 chrome - Using Extensions with Selenium (Python)

I am currently using Selenium to run instances of Chrome to test web pages. Each time my script runs, a clean ... came up when I googled 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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Convert jpg image to gif, png & bmp format using PHP

How can I convert a single jpg image into 3 different image format gif , png and bmp using PHP? Pls 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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How to document dynamic query parameter names in OpenAPI (Swagger)?

Is there any way to document the following query? GET api/v1/users?name1=value1&name2=value where the query ... using the latest Swagger API. 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 - Add an image in a specific position in the document (.docx)?

I use Python-docx to generate Microsoft Word document.The user want that when he write for eg: "Good Morning every ... my code will very basic) See Question&Answers more detail:os...

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

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combinatorics - Number of combinations (N choose R) in C++

Here I try to write a program in C++ to find NCR. But I've got a problem in the result. It is not correct. ... n,r); cout<<result; return 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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verilog - What is inferred latch and how it is created when it is missing else statement in if condition. Can anybody explain briefly?

I tried to figure out the inferred latch and why it is needed internally, but I couldn't find any resources with enough detail. 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 to plot multi-color line if x-axis is date time index of pandas

I am trying to plot a multi-color line using pandas series. I know matplotlib.collections.LineCollection will ... Is there any solution? See Question&Answers more detail:os...

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

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arrays - php - How do I fix this illegal offset type error

I'm getting illegal offset type error for every iteration of this code. Here's the code : $s = array(); for($i ... $source] += 1; } print_r($s) See Question&Answers more detail:os...

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

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Cannot access property on Swift type from Objective-C

I am trying to access a Swift class's Double? property from Objective-C. class BusinessDetailViewController: ... What am I missing? See Question&Answers more detail:os...

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

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ECONNREFUSED error when connecting to mongodb from node.js

I know I'm doing some very stupid and noobish, but I'm hoping someone can help me set up a basic database ... .1:52175 (0 connections now open) 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 - TypeError: expected string or buffer

I have this simple code: import re, sys f = open('findallEX.txt', 'r') lines = f.readlines() match = ... string or buffer' Can anyone 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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176 views

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Preserve git --assume-unchanged files between branch checkouts

I've been using git --assume-unchanged yacs/settings/development.py to ignore my local database configuration file ... to a remote repository.] See Question&Answers more detail:os...

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

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493 views

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css - Change the order of col-*-12 columns in Bootstrap using push/pull

I have two columns of the same size (.col-xs-12) and I would change their place when the screen size correspond ... -12.col-xs-pull-12 p test2 See Question&Answers more detail:os...

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

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171 views

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javascript - Node exits without error and doesn't await promise (Event callback)

I've got a really weird issue whereby awaiting a Promise that has passed its resolve to an event-emitter callback just ... is this a node bug? See Question&Answers more detail:os...

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

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