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

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1 answer 152 views

php - Turning query errors to Exceptions in MySQLi

asked Oct 16, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1 answer 220 views

Send data from activity to fragment in Android

asked Oct 16, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1 answer 329 views

c# - CS0120: An object reference is required for the nonstatic field, method, or property 'foo'

asked Oct 16, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1 answer 280 views

version control - How to change the author and committer name and e-mail of multiple commits in Git?

asked Oct 16, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1 answer 197 views

java - How to check internet access on Android? InetAddress never times out

asked Oct 16, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1 answer 90 views

javascript - HTML-encoding lost when attribute read from input field

asked Oct 16, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1 answer 311 views

r - Filter data.frame rows by a logical condition

asked Oct 16, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1 answer 55 views

python - When should I (not) want to use pandas apply() in my code?

asked Oct 16, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1 answer 659 views

types - How does Python 2 compare string and int? Why do lists compare as greater than numbers, and tuples greater than lists?

asked Oct 16, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1 answer 1.5k views

SQL to LINQ with multiple join, count and left join

asked Oct 16, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1 answer 1.6k views

io - A non-blocking read on a subprocess.PIPE in Python

asked Oct 16, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1 answer 284 views

command line - Including all the jars in a directory within the Java classpath

asked Oct 16, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1 answer 628 views

Send attachments with PHP Mail()?

asked Oct 16, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1 answer 215 views

php - How do I implement basic "Long Polling"?

asked Oct 16, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1 answer 75 views

java - What is a NumberFormatException and how can I fix it?

asked Oct 16, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1 answer 191 views

What is the maximum recursion depth in Python, and how to increase it?

asked Oct 16, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1 answer 146 views

javascript - Is there a way to detect if a browser window is not currently active?

asked Oct 16, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1 answer 167 views

python - How to parse XML and count instances of a particular node attribute?

asked Oct 16, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1 answer 444 views

c# - Why is it important to override GetHashCode when Equals method is overridden?

asked Oct 16, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1 answer 217 views

visual studio - Why am I getting "Cannot Connect to Server - A network-related or instance-specific error"?

asked Oct 16, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1 answer 93 views

java - Loading resources like images while running project distributed as JAR archive

asked Oct 16, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1 answer 78 views

sql - MySQL - Rows to Columns

asked Oct 16, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1 answer 1.0k views

dataframe - How to make good reproducible Apache Spark examples

asked Oct 16, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1 answer 261 views

Assigning variables with dynamic names in Java

asked Oct 16, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1 answer 216 views

c# - Use of Application.DoEvents()

asked Oct 16, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1 answer 150 views

php - Are PDO prepared statements sufficient to prevent SQL injection?

asked Oct 16, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1 answer 53 views

How can I convert an image into Base64 string using JavaScript?

asked Oct 16, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1 answer 1.2k views

new operator - What is the 'new' keyword in JavaScript?

asked Oct 16, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1 answer 117 views

What are POD types in C++?

asked Oct 16, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1 answer 300 views

jquery - Click event doesn't work on dynamically generated elements

asked Oct 16, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1 answer 161 views

sql - What is the most efficient/elegant way to parse a flat table into a tree?

asked Oct 16, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1 answer 116 views

javascript - Share data between AngularJS controllers

asked Oct 16, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1 answer 266 views

c++ - What are rvalues, lvalues, xvalues, glvalues, and prvalues?

asked Oct 16, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1 answer 72 views

How do I perform the SQL Join equivalent in MongoDB?

asked Oct 16, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1 answer 193 views

sendgrid - How to handle both a single item and an array for the same property using JSON.net

asked Oct 16, 2021 in Technique[技术] by 深蓝 (71.8m points)

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