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javascript - Adjust width and height of iframe to fit with content in it

I need a solution for auto-adjusting the width and height of an iframe to barely fit its content. The point ... dimensions of the body contained in the iframe. Question&Answers:os...

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

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java - Initialize class fields in constructor or at declaration?

I've been programming in C# and Java recently and I am curious where the best place is to initialize my class ... to be consistent and stick to one approach. Question&Answers:os...

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

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How to implement an efficient infinite generator of prime numbers in Python?

This is not a homework, I am just curious. INFINITE is the key word here. I wish to use it as for p in ... approach. Thank you for reading (and writing ;) )! Question&Answers:os...

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

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In JavaScript, does it make a difference if I call a function with parentheses?

I noticed a difference when calling a function with empty parentheses, or without any parentheses at all. However ... ; Please explain the principle behind it. Question&Answers:os...

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

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javascript - What does [object Object] mean?

I am trying to alert a returned value from a function and I get this in the alert: [object Object] Here is ... is the function which I am trying to check on. Question&Answers:os...

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

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php - A simple program to CRUD node and node values of xml file

Closed. This question needs to be more focused. It is not currently accepting answers. Question&Answers:os...

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

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regex - Matching Unicode letter characters in PCRE/PHP

I'm trying to write a reasonably permissive validator for names in PHP, and my first attempt consists of the ... specify a UTF8 encoding on the form page. Question&Answers:os...

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

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"using namespace" in c++ headers

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

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python - How to find the cumulative sum of numbers in a list?

time_interval = [4, 6, 12] I want to sum up the numbers like [4, 4+6, 4+6+12] in order to get the list t = [4, 10 ... [2] + t2 print(t1, t2, t3) # -> 4 10 22 Question&Answers:os...

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

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entity framework - Code-first vs Model/Database-first

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

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109 views

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c# - Simple insecure two-way data "obfuscation"?

I'm looking for very simple obfuscation (like encrypt and decrypt but not necessarily secure) functionality for some ... math and make it trivial to crack. Question&Answers: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 Invoke() and BeginInvoke()

Just wondering what the difference between BeginInvoke() and Invoke() are? Mainly what each one would be used for. ... a delegate? or are they the same thing? Question&Answers:os...

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

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jquery - How can you check for a #hash in a URL using JavaScript?

I have some jQuery/JavaScript code that I want to run only when there is a hash (#) anchor link in a ... in the right direction, that would be much appreciated. Question&Answers: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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c# - How can I get the WebBrowser control to show modern contents?

I've created a Winforms app that uses a WebBrowser control; I dynamically assign its Uri. It worked fine for awhile, ... , but what should the "Key" values be? Question&Answers:os...

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

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php - Query with multiple values in a column

I have a table like: id name children 1 Roberto Michael,Dia 2 Maria John,Alex 3 Mary Alexandre,Diana My ... can explain my problem with my terrible english :D Question&Answers:os...

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

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computer science - What is the difference between statically typed and dynamically typed languages?

I hear a lot that new programming languages are dynamically typed but what does it actually mean when we ... language is dynamically typed vs. statically typed? Question&Answers:os...

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

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615 views

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reactjs - axios post request to send form data

axios POST request is hitting the url on the controller but setting null values to my POJO class, when I go through ... or how can I send form data using axios. Question&Answers:os...

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

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javascript - Why does Chrome debugger think closed local variable is undefined?

With this code: function baz() { var x = "foo"; function bar() { debugger; }; bar(); } ... reproduce this with breakpoints as well as the debugger statement. Question&Answers:os...

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

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70 views

1 answer

How to send a "multipart/form-data" with requests in python?

How to send a multipart/form-data with requests in python? How to send a file, I understand, but how to send the form data by this method can not understand. Question&Answers:os...

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

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296 views

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sql server - How to calculate age (in years) based on Date of Birth and getDate()

I have a table listing people along with their date of birth (currently a nvarchar(25)) How can I convert that to a ... 00:00 2 Sally 50 1959-05-20 00:00:00 Question&Answers:os...

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

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410 views

1 answer

Javascript - sort array based on another array

Is it possible to sort and rearrange an array that looks like this: itemsArray = [ ['Anne', 'a'], ['Bob', 'b'], [' ... ', 'd'], ] Any idea how this can be done? Question&Answers:os...

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

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105 views

1 answer

javascript - Why do you need to invoke an anonymous function on the same line?

I was reading some posts about closures and saw this everywhere, but there is no clear explanation how it works - ... me some posts or give me an explanation? Question&Answers:os...

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

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931 views

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javascript - Trying to use fetch and pass in mode: no-cors

I can hit this endpoint, http://catfacts-api.appspot.com/api/facts?number=99 via Postman and it returns JSON ... do is disable CORS.. What am I missing? Question&Answers:os...

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

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103 views

1 answer

c# - LINQ to read XML

I got this XML file: <root> <level1 name="A"> <level2 name="A1" /> <level2 name="A2" /> </level1> <level1 name="B ... (lv1); var lv2s = from lv2 in xdoc...??? } Question&Answers:os...

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

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81 views

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Python string interning

While this question doesn't have any real use in practice, I am curious as to how Python does string interning. ... in that last block to have it return False? Question&Answers:os...

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

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123 views

1 answer

sql server - CROSS JOIN vs INNER JOIN in SQL

What is the difference between CROSS JOIN and INNER JOIN? CROSS JOIN: SELECT Movies.CustomerID, Movies.Movie, Customers ... and why would I use either one? Question&Answers:os...

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

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150 views

1 answer

python - How to wait some time in pygame?

While I've been using time.wait in my code since I began learning Python and Pygame, I've been wondering ... wait some time besides using these two functions? Question&Answers:os...

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

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730 views

1 answer

Python multiprocessing PicklingError: Can't pickle <type 'function'>

I am sorry that I can't reproduce the error with a simpler example, and my code is too complicated to ... example with this pattern and it works though. Question&Answers:os...

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

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