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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 359 views

Can PNG image transparency be preserved when using PHP's GDlib imagecopyresampled?

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

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1 answer 124 views

How to check uploaded file type in PHP

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

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1 answer 195 views

function - How does Asynchronous Javascript Execution happen? and when not to use return statement?

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

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1 answer 340 views

python - What would a "frozen dict" be?

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

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1 answer 178 views

php - Finding n-th permutation without computing others

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

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1 answer 280 views

c# - How to detect installed version of MS-Office?

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

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1 answer 247 views

c# - Generics open and closed constructed types

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

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1 answer 108 views

java - How to Re-run failed JUnit tests immediately?

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

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1 answer 216 views

Is there a way to determine android physical screen height in cm or inches?

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

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1 answer 107 views

Spark SQL replacement for MySQL's GROUP_CONCAT aggregate function

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

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1 answer 255 views

python - How can I find all the subsets of a set, with exactly n elements?

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

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1 answer 201 views

python - How to shift a column in Pandas DataFrame

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

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1 answer 349 views

c# - What's the best way of implementing a thread-safe Dictionary?

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

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1 answer 235 views

javascript - Restart animation in CSS3: any better way than removing the element?

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

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1 answer 461 views

python - Add Leading Zeros to Strings in Pandas Dataframe

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

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1 answer 472 views

Read and Write CSV files including unicode with Python 2.7

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

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1 answer 342 views

Equivalent of typedef in C#

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

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1 answer 264 views

python - Pandas: rolling mean by time interval

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

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1 answer 283 views

Convert integer to binary in C#

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

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1 answer 183 views

java - Deep copy, shallow copy, clone

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

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1 answer 209 views

Jquery bind double click and single click separately

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

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1 answer 1.5k views

ant - Create cross platform Java SWT Application

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

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1 answer 323 views

mysql - JDBC batch insert performance

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

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1 answer 159 views

PHP : Custom error handler - handling parse & fatal errors

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

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1 answer 1.2k views

dataframe - R spreading multiple columns with tidyr

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

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1 answer 67 views

How to get all files under a specific directory in MATLAB?

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

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1 answer 176 views

A CORS POST request works from plain JavaScript, but why not with jQuery?

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

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1 answer 237 views

html - How can I draw vertical text with CSS cross-browser?

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

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1 answer 114 views

Efficient JPEG Image Resizing in PHP

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

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1 answer 273 views

dictionary - Python - List of unique dictionaries

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

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1 answer 623 views

.net - Httplistener with HTTPS support

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

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1 answer 354 views

html - Add border-bottom to table row <tr>

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

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1 answer 393 views

javascript - SyntaxError: Unexpected token o in JSON at position 1

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

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1 answer 240 views

class - How do I use method overloading in Python?

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

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1 answer 172 views

PHP, get file name without file extension

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

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