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

2 like 0 dislike

16.3k views 0 answers

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

sql - How do I query between two dates using MySQL?

0 like 0 dislike

104 views 1 answer

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

python - Do regular expressions from the re module support word boundaries ()?

0 like 0 dislike

251 views 1 answer

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

xml - Remove a child with a specific attribute, in SimpleXML for PHP

0 like 0 dislike

691 views 1 answer

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

javascript - Waiting for more than one concurrent await operation

0 like 0 dislike

137 views 1 answer

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

How do I do a deep copy of a 2d array in Java?

0 like 0 dislike

67 views 1 answer

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

java - Fastest way to determine if an integer's square root is an integer

0 like 0 dislike

152 views 1 answer

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

javascript - Get current URL with jQuery?

0 like 0 dislike

47 views 1 answer

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

c# - How to enable external request in IIS Express?

0 like 0 dislike

85 views 1 answer

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

Why are Python's 'private' methods not actually private?

0 like 0 dislike

207 views 1 answer

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

c# - LINQ query on a DataTable

0 like 0 dislike

313 views 1 answer

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

c# - Given a DateTime object, how do I get an ISO 8601 date in string format?

0 like 0 dislike

428 views 1 answer

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

authentication - Google OAuth 2 authorization - Error: redirect_uri_mismatch

0 like 0 dislike

1.3k views 1 answer

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

java - Check whether a string is not null and not empty

0 like 0 dislike

126 views 1 answer

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

ios - Proper way to exit iPhone application?

0 like 0 dislike

86 views 1 answer

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

scope - What is the purpose of wrapping whole Javascript files in anonymous functions like “(function(){ … })()”?

0 like 0 dislike

825 views 1 answer

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

python - How do I check if a variable exists?

0 like 0 dislike

114 views 1 answer

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

c - Why malloc+memset is slower than calloc?

0 like 0 dislike

257 views 1 answer

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

java - Declaring variables inside or outside of a loop

0 like 0 dislike

172 views 1 answer

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

networking - Android check internet connection

0 like 0 dislike

272 views 1 answer

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

android - Determining the current foreground application from a background task or service

0 like 0 dislike

266 views 1 answer

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

Mysql error 1452 - Cannot add or update a child row: a foreign key constraint fails

0 like 0 dislike

1.2k views 1 answer

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

dom - Compiling dynamic HTML strings from database

0 like 0 dislike

90 views 1 answer

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

css selectors - Select every Nth element in CSS

0 like 0 dislike

318 views 1 answer

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

java - How to establish a connection pool in JDBC?

0 like 0 dislike

119 views 1 answer

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

javascript - What are alternatives to document.write?

0 like 0 dislike

176 views 1 answer

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

python - Removing from a list while iterating over it

0 like 0 dislike

159 views 1 answer

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

arrays - Javascript call() & apply() vs bind()?

0 like 0 dislike

266 views 1 answer

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

c# - Cleanest way to write retry logic?

0 like 0 dislike

306 views 1 answer

Categories

Recent questions

Just Browsing Browsing

Most popular tags