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 Mar 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

c# - 使用基于iTextSharp的模板创建PDF文档(Creating PDF Documents with iTextSharp based template)

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287 views 1 answer

asked Mar 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

r - 计算向量中x的元素个数(Counting the number of elements with the values of x in a vector)

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398 views 1 answer

asked Mar 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

r - 从数据框中提取特定列(Extracting specific columns from a data frame)

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385 views 1 answer

asked Mar 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

c# - 正则表达式，仅接受数字（0-9）和无字符[重复](Regex that accepts only numbers (0-9) and NO characters [duplicate])

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464 views 1 answer

asked Mar 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

javascript - 如何使用“是”和“否”选项创建对话框？(How to create a dialog with “yes” and “no” options?)

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333 views 1 answer

asked Mar 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

windows - 如何从证书和私钥创建.pfx文件？(How to create .pfx file from certificate and private key?)

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402 views 1 answer

asked Mar 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

html - AngularJS ngClass条件(AngularJS ngClass conditional)

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393 views 1 answer

asked Mar 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

doit - Python doit：子任务产生相同的最新可调用对象(Python doit: subtask yields same uptodate callable)

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454 views 1 answer

asked Mar 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

javascript - 如何替换所有出现的字符串？(How to replace all occurrences of a string?)

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418 views 1 answer

asked Mar 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

python - 为什么要使用def main（）？ [重复](Why use def main()? [duplicate])

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218 views 1 answer

asked Mar 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

excel - 检查Column中是否存在Cell值，然后获取NEXT Cell的值(Check if Cell value exists in Column, and then get the value of the NEXT Cell)

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512 views 1 answer

asked Mar 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

javascript - 如何使用JavaScript重定向？ [重复](How do I redirect with JavaScript? [duplicate])

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164 views 1 answer

asked Mar 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

json - Spark：将JSON字符串拆分为单独的数据框列(Spark: Splitting JSON strings into separate dataframe columns)

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383 views 1 answer

asked Mar 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

javascript - 使用jQuery从下拉列表（选择框）中获取选定的文本(Get selected text from a drop-down list (select box) using jQuery)

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560 views 1 answer

asked Mar 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

c# - 如何枚举枚举？(How to enumerate an enum?)

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317 views 1 answer

asked Mar 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

java - 如何将.cer证书导入java密钥库？(How to import a .cer certificate into a java keystore?)

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402 views 1 answer

asked Mar 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

grep - 如何使用grep在文件夹中查找单词？(How can I use grep to find a word inside a folder?)

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1.2k views 1 answer

asked Mar 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

sql - 将数据插入临时表(Inserting data into a temporary table)

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315 views 1 answer

asked Mar 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

java - 如何开始使用Java服务器？(How to get started working with servers in Java?)

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199 views 1 answer

asked Mar 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

javascript - 如何通过我的自定义值设置HTML中的SELECT OPTION？(How to set SELECT OPTION in HTML by my custom value?)

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199 views 1 answer

asked Mar 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

objective-c - 在iOS <13.0上关闭模式视图控制器(dismiss modal view controller on iOS < 13.0)

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855 views 1 answer

asked Mar 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

node.js - 使用SINON的NODE ES6类中的模拟构造函数(Mock Constructor in ES6 class in NODE using SINON)

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342 views 1 answer

asked Mar 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

python - 双x轴图表不适用于plt.clf标签(Twin x-axis chart doesn't work with plt.clf labels)

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423 views 1 answer

asked Mar 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

python-3.x - sqlite3无法打开数据库(sqlite3 unable to open database)

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698 views 1 answer

asked Mar 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

performance - 是否应避免在着色器中使用范围和光源类型的条件？(Should conditionals for range and light type in shaders be avoided?)

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378 views 1 answer

asked Mar 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

r - 我如何解决和解决R中的这个蜗牛冒险编程问题(How do I approach and solve this snail adventure programming problem in R)

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416 views 1 answer

asked Mar 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

javascript - 我如何错误地导出秒表？(How am I exporting my stopwatch incorrectly?)

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132 views 1 answer

asked Mar 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

nestjs - 多个项目中的NestJS重用/共享Auth保护(NestJS Reuse/Share Auth guards in multiple projects)

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1.2k views 1 answer

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