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403 views

1 answer

c# - 无法从索引像素格式创建再现图形对象(Reproducing Graphics Object Cannot be Created from Indexed Pixel Format)

I'm trying to reproduce ' https://www.c-sharpcorner.com/article/solution-for-a-graphics-object-cannot-be-created-from-an ... clone.Save("test.png"); ask by techno translate from so...

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

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217 views

1 answer

node.js - Node.js：什么是ENOSPC错误以及如何解决？(Node.js: what is ENOSPC error and how to solve?)

I have a problem with Node.js and uploading files to server. (我在使用Node.js并将文件上传到服务器时遇到问题 )For uploading files to ... overflow 1.0M 1.0M 0 100% /tmp ask by Giffo translate from so...

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

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140 views

1 answer

python - 如何配置Python脚本？(How can you profile a Python script?)

Project Euler and other coding contests often have a maximum time to run or people boast of how fast their particular solution ... 好方法是什么？) ask by Chris Lawlor translate from so...

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

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482 views

1 answer

c# - xUnit的Assert.Equal方法是检查同一引用还是在寻找两个不同的对象实例？(Is Assert.Equal method from xUnit checking the same reference or looking for two different object instances?)

I started to use xUnit infrastructure. (我开始使用xUnit基础结构 )So I tried to use void Assert.Equal(string expected, string actual) ... 接与单个对象进行比较？) ask by Павел Бобров translate from so...

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

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334 views

1 answer

python - 静态方法和类方法之间的区别(Difference between staticmethod and classmethod)

用@staticmethod装饰的函数和用@staticmethod装饰的函数有@staticmethod @classmethod ？ ask by Daryl Spitzer translate from so...

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

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436 views

1 answer

java - Android Studio文字编辑器会删除文字，而不是允许常规编辑(Android studio text editor erases text instead of allowing normal edit)

I have worked with several IDE and code editors but this android studio am using is a real mess, when I place a cursor in the ... 是创建要求其提供的空间 ) ask by M.louis translate from so...

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

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392 views

1 answer

oop - 接口与基类(Interface vs Base class)

When should I use an interface and when should I use a base class? (什么时候应该使用接口，什么时候应该使用基类？) Should it always be an ... 上，但是我不知道用于普通Pet的接口 ) ask by community wiki translate from so...

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

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333 views

1 answer

python - 将两个列表转换成字典(Convert two lists into a dictionary)

Imagine that you have: (想象一下您有：) keys = ['name', 'age', 'food'] values = ['Monty', 42, 'spam'] What is the simplest ... 'age' : 42, 'food' : 'spam'} ask by Guido translate from so...

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

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231 views

1 answer

java - Java是“按引用传递”还是“按值传递”？(Is Java “pass-by-reference” or “pass-by-value”?)

I always thought Java was pass-by-reference . (我一直认为Java是通过引用传递的 ) However, I've seen a couple of blog posts ... the explanation? (有什么解释？) ask by community wiki translate from so...

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

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458 views

1 answer

r - 将相应的颜色值分配给最终模型变量，以在R中的ggplot中绘制图形（使用geom_col）(Assigning corresponding color values to final model variables to be graphed in ggplot (with geom_col) in R)

I'm creating a set of geom_col plots to reveal the model building process where different cognitive task variables are arranged by ... I , D ) ask by Jimmy Ades translate from so...

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

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271 views

1 answer

python - Python增量对象名称[重复](Python Incremental object-names [duplicate])

This question already has answers here) : 这个问题已经在这里有了答案) ：) How do I create a variable number of ... test(example_input, example_input2)那样创建类) ask by Nachtel translate from so...

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

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296 views

1 answer

python - 过去n个日期中熊猫的真实值总和(Sum of true values over past n dates in pandas)

I have a dataframe of several thousand rows with columns of geography, response_dates and True/False for ... name='Past_4_dates_sum_of_true') ask by JamesMiller translate from so...

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

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341 views

1 answer

dynamic - Flutter-动态创建表(Flutter - Creating tables dynamically)

I'm trying to dynamically create tables using Dart and Flutter. (我正在尝试使用Dart和Flutter动态创建表 )Something like this The number ... 成此操作的技巧将不胜感激 ) ask by kaden_shaihd translate from so...

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

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409 views

1 answer

javascript - 如何检查可见DOM中是否存在元素？(How to check if element exists in the visible DOM?)

How do you test an element for existence without the use of the getElementById method? (如何在不使用getElementById方法的情况下测试元素 ... JavaScript变量的行为感兴趣 ) ask by Justin Bull translate from so...

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

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261 views

1 answer

python - 列表理解与lambda +过滤器(list comprehension vs. lambda + filter)

I happened to find myself having a basic filtering need: I have a list and I have to filter it by an attribute of the ... 例如，使用itemgetter而不是lambda）吗？) ask by Agos translate from so...

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

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439 views

1 answer

java-ee - 具有许多可选步骤的JEE批处理作业规范(JEE Batch Job Specification with many optional Steps)

Is there a way to achieve the following logic with JSR 352 Batch API? (有没有办法使用JSR 352 Batch API实现以下逻辑？)I have a ... else { return "SKIP"; } } } ask by taranaki translate from so...

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

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432 views

1 answer

c++ - 为什么必须在何处以及为什么要放置“模板”和“类型名”关键字？(Where and why do I have to put the “template” and “typename” keywords?)

In templates, where and why do I have to put typename and template on dependent names? (在模板中，为什么必须在哪里以及为什么要在依赖名称上放置 ... 即inUnion<U>是一个类型而不是一个函数？) ask by MSalters translate from so...

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

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162 views

1 answer

git - “下游”和“上游”的定义(Definition of “downstream” and “upstream”)

I've started playing with Git and have come across the terms "upstream" and "downstream". (我已经开始玩Git并遇到过上游和下游这两个词 )I' ... 理工具）和源代码的上下文中意味着什么？) ask by brendan translate from so...

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

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246 views

1 answer

c++ - C ++中'struct'和'typedef struct'之间的区别？(Difference between 'struct' and 'typedef struct' in C++?)

In C++, is there any difference between: (在C ++中，之间有什么区别：) struct Foo { ... }; and (和) typedef struct { ... } Foo; ask by criddell translate from so...

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

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388 views

1 answer

shell - 如何将文件读入Shell中的变量？(How to read a file into a variable in shell?)

I want to read a file and save it in variable, but I need to keep the variable and not just print out the file. (我想读取文件并将 ... to do this? (是否有捷径可寻？) ask by kaka translate from so...

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

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570 views

1 answer

maven - Maven中dependencyManagement和依赖关系之间的区别(Differences between dependencyManagement and dependencies in Maven)

What is the difference between dependencyManagement and dependencies ? (dependencyManagement和dependencies什么区别？)I have seen the docs at ... 模块中定义它？) ask by hguser translate from so...

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

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497 views

1 answer

c# - 如何在不等待的情况下安全地在C＃中调用异步方法(How to safely call an async method in C# without await)

I have an async method which returns no data: (我有一个不返回任何数据的async方法：) public async Task MyAsyncMethod() { // do some stuff ... 求，从而无故增加了响应时间 ) ask by George Powell translate from so...

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

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536 views

1 answer

python - 人们为什么在Python脚本的第一行上编写＃！/ usr / bin / env python shebang？(Why do people write the #!/usr/bin/env python shebang on the first line of a Python script?)

在我看来，如果没有该行，文件运行相同。 ask by john garcias translate from so...

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

0 votes

492 views

1 answer

css - 使用CSS将div框居中在页面中间(center a div box in the middle of the page using css)

I want to center a div right in the middle of the page, I tried top:30% , but when the window is resized off the ... ></div> Thanks Jean (谢谢让) ask by X10nD translate from so...

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

0 votes

460 views

1 answer

python - 检查Python列表项是否在另一个字符串中包含一个字符串(Check if a Python list item contains a string inside another string)

I have a list: (我有一个清单：) my_list = ['abc-123', 'def-456', 'ghi-789', 'abc-456'] and want to search for items that ... ? (那么，如何获取所有包含'abc' ？) ask by SandyBr translate from so...

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

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505 views

1 answer

windows - 从Windows控制台运行cURL命令(Run cURL commands from Windows console)

有没有办法在Windows中安装cURL才能从命令提示符运行cURL命令？ ask by DomingoSL translate from so...

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

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529 views

1 answer

ajax - 在Chrome开发人员工具中查看AJAX响应内容？(View AJAX response content in Chrome developer tools?)

Traditionally I use FireBug to debug my AJAX requests. (传统上，我使用FireBug调试AJAX请求 )It lets you examine both the contents of your ... 请求是在Flash对象内部进行的 ) ask by Ender translate from so...

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

0 votes

324 views

1 answer

java - 有什么方法可以使鼠标侦听器自动化？(Any way to make a mouse listener automated?)

Lets say I have an array of {0,1,2} an I draw a random number. (可以说我有一个{0,1,2}的数组，我画了一个随机数 )If random ... e) { //to do code } }); ask by Sosruko Gorgasali translate from so...

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

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