16892 Developer Q&A Community

asked Feb 5, 2021 in Others[杂七杂八] by ostack (1.4k points)

Welcome to Our Knowledge Sharing Community-Open, Learning,Share

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

JavaScript/jQuery to download file via POST with JSON data

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

machine learning - Why binary_crossentropy and categorical_crossentropy give different performances for the same problem?

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

Android Pre-Populated Database

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

c - Why dividing two integers doesn't get a float?

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

javascript - Document.write clears page

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

sql - Dates with no time or timezone component in Java/MySQL

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

How do I resolve git saying "Commit your changes or stash them before you can merge"?

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783 views 1 answer

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

html - HTML5 best practices; section/header/aside/article elements

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212 views 1 answer

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

indexing - Differences between INDEX, PRIMARY, UNIQUE, FULLTEXT in MySQL?

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

ios - Creating a blurring overlay view

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

layout - How to set Bullet colors in UL/LI html lists via CSS without using any images or span tags

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

How to remove selected commit log entries from a Git repository while keeping their changes?

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

What is the correct way to check for string equality in JavaScript?

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

python - Determine function name from within that function (without using traceback)

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193 views 1 answer

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

c++ - How to properly add include directories with CMake

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

javascript - How can I check if an element exists in the visible DOM?

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

background - iPhone - Backgrounding to poll for events

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

Parsing SQL code in C#

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295 views 1 answer

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

How slow is Python's string concatenation vs. str.join?

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282 views 1 answer

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

c++ - How to track down a "double free or corruption" error

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380 views 1 answer

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

java - Implementing a simple file download servlet

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99 views 1 answer

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

What does the "|" (single pipe) do in JavaScript?

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240 views 1 answer

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

javascript - When is the comma operator useful?

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240 views 1 answer

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

In Javascript, why is the "this" operator inconsistent?

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

recursion - Building a promise chain recursively in javascript - memory considerations

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998 views 1 answer

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

multithreading - Update UI from Thread in Android

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380 views 1 answer

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

c++ - What is the lifetime of the result of std::string::c_str()?

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470 views 1 answer

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

r - Categorize numeric variable into group/ bins/ breaks

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274 views 1 answer

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