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sql - 订购后如何限制Oracle查询返回的行数？(How do I limit the number of rows returned by an Oracle query after ordering?)

Is there a way to make an Oracle query behave like it contains a MySQL limit clause? (有没有一种方法可以使Oracle查询像包含MySQL limit子句 ... (它也不允许指定偏移量 ) ask by Mathieu Longtin translate from so...

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

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401 views

1 answer

xml - 如何在XML中注释掉一个标签块？(How do I comment out a block of tags in XML?)

How do I comment out a block of tags in XML? (如何在XML中注释掉一个标签块？) Ie How can I comment out <staticText> and everything inside ... C，所以我可以注释掉更长的XML代码块 ) ask by Jonas translate from so...

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

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178 views

1 answer

java - 将集转换为列表而不创建新列表(Convert Set to List without creating new List)

I am using this code to convert a Set to a List : (我正在使用此代码将Set转换为List ：) Map<String, List> mainMap = new ... that possible? (那可能吗？) ask by Muhammad Imran Tariq translate from so...

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

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683 views

1 answer

ruby-on-rails - 防止对特定操作进行ActiveRecord关联验证的最佳方法(Best way to prevent ActiveRecord association validations on specific actions)

I have 2 models: User and Purchase . (我有2个模型： User和Purchase )Purchases belong to Users. (购买属于用户 ) class User < ... 在寻找一种更常规的Rails方法来实现 ) ask by Doug translate from so...

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

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417 views

1 answer

javascript - 在JavaScript中比较字符串的最佳方法？ [重复](Optimum way to compare strings in JavaScript? [duplicate])

This question already has an answer here: (这个问题在这里已有答案：) Is there a JavaScript strcmp()? (有没有JavaScript strcmp（）？)5 answers (5个答 ... 索的每次迭代中只需要进行一次比较？) ask by HRJ translate from so...

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

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322 views

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javascript - 如何使用JavaScript以编程方式设置选择框元素的值？(How do I programmatically set the value of a select box element using JavaScript?)

I have the following HTML <select> element: (我有以下HTML <select>元素：) <select id="leaveCode" name="leaveCode"> <option value=" ... 如何在列表中选择适当的选项？) ask by brasskazoo translate from so...

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

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287 views

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python - Python-使用Beautifulsoup从网页提取数据(Python - Extracting data from web page using Beautifulsoup)

I am trying to scrape some data from a webpage using bs4 Given below is what I have done thus far, (我正在尝试使用bs4从网页上抓 ... , 6.54% Comp I, 19.39% ask by scott martin translate from so...

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

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175 views

1 answer

javascript - 遍历JavaScript中的数组(Loop through an array in JavaScript)

In Java you can use a for loop to traverse objects in an array as follows: (在Java中，可以使用for循环遍历数组中的对象，如下所示：) ... (您可以在JavaScript中做同样的事情吗？) ask by Mark Szymanski translate from so...

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

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275 views

1 answer

ssh - 通过SSH传输文件[关闭](Transferring files over SSH [closed])

I'm SSHing into a remote server on the command line, and trying to copy a directory onto my local machine with the scp ... -p [localpath] [remotepath]上传？) ask by translate from so...

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

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588 views

1 answer

java - 解决javax.net.ssl.SSLHandshakeException：sun.security.validator.ValidatorException：PKIX路径构建失败错误？(Resolving javax.net.ssl.SSLHandshakeException: sun.security.validator.ValidatorException: PKIX path building failed Error?)

Edit :- Tried to format the question and accepted answer in more presentable way at mine Blog (编辑：-试图在我的博客上以 ... reply.load(conn1.getInputStream()); ask by M Sach translate from so...

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

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155 views

1 answer

python - 您如何从stdin阅读？(How do you read from stdin?)

I'm trying to do some of the code golf challenges, but they all require the input to be taken from stdin . (我正在尝试进行一 ... Python? (我如何在Python中得到它？) ask by tehryan translate from so...

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

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171 views

1 answer

python - 如何将JSON数据写入文件？(How do I write JSON data to a file?)

I have JSON data stored in the variable data . (我将JSON数据存储在变量data ) I want to write this to a text file for testing ... fix this? (如何解决这个问题？) ask by user1530318 translate from so...

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

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245 views

1 answer

mysql - ER_TOO_MANY_ROWS：结果包含多于一行(ER_TOO_MANY_ROWS: Result consisted of more than one row)

Hello I want to write a trigger to update the age of the clients according to the birth date and the current date, the ... 想更新所有行，该怎么办？) ask by JoNeedsCHelp translate from so...

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

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144 views

1 answer

android - 如何在TextView中显示HTML？(How to display HTML in TextView?)

I have simple HTML : (我有简单的HTML ：) <h2>Title</h2><br> <p>description here</p> I want to display HTML styled text it ... to do this? (这该怎么做？) 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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415 views

1 answer

c# - 如何使用反射调用泛型方法？(How do I use reflection to call a generic method?)

What's the best way to call a generic method when the type parameter isn't known at compile time, but instead is obtained ... ) { //... } } ask by Bevan translate from so...

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

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357 views

1 answer

validation - 如何在自定义验证注释上使用椭圆形(how to use oval on custom validation Annotation)

Here is my code for creating a custom Annotation for validating Name (这是我的代码，用于创建用于验证名称的自定义注释) ValidName.java ( ... )Any suggestions? (有什么建议么？) ask by adg translate from so...

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

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366 views

1 answer

mysql - 我的注释代码有什么问题？(What is wrong with my code on making comments?)

This is my code on making comments. (这是我的注释代码 )It turns out that it has a reference error. (事实证明，它具有参考错误 )It ... col"> <hr> </div> </div> ask by potential-pancake translate from so...

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

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209 views

1 answer

php - PHP中的NOW（）函数(NOW() function in PHP)

Is there a PHP function that returns the date and time in the same format as the MySQL function NOW() ? (是否有一个PHP函数以与 ... 返回：) 2009-12-01 00:00:00 ask by MoeAmine translate from so...

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

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210 views

1 answer

php - PHP：mysqli INSERT INTO语句不起作用(PHP: mysqli INSERT INTO statement is not working)

My php code for registration does not insert values to the database. (我的php代码未将值插入数据库 )I tried different ways but it is ... ', '$year')"); ?> ask by nergal darski translate from so...

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

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407 views

1 answer

sql - 当IDENTITY_INSERT设置为OFF时，无法为表'table'中的标识列插入显式值(Cannot insert explicit value for identity column in table 'table' when IDENTITY_INSERT is set to OFF)

I have the below error when I execute the following script. (执行以下脚本时出现以下错误 )What is the error about, and how it can be ... ，无法在表'table'中为标识列插入显式值 ) ask by translate from so...

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

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379 views

1 answer

ruby - 为什么我们需要单独的openssl.rb文件？(Why do we need separate openssl.rb file?)

I want to understand why we need openssl.rb in bitcoin-ruby project. (我想了解为什么我们在比特币-红宝石项目中需要openssl.rb )Is Ruby ... not enough? (Ruby SSL实施还不够吗？) ask by HardFork translate from so...

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

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306 views

1 answer

sql - SQL查询以在SQL Server中插入日期时间(Sql query to insert datetime in SQL Server)

I want to insert a datetime value into a table(SQL Server) using the sql query below (我想使用下面的SQL查询将datetime值插入表（SQL Server）中 ... ! (请帮助！)Thanks. (谢谢 ) ask by Shee translate from so...

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

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364 views

1 answer

sql - Oracle alter table使团队可以支持多个慈善团体（如果他们希望更改数据库以满足此要求）(Oracle alter table to allow a team to support several charities if they wish change the database to satisfy this requirement)

Hi i need help with the following question: (嗨，我需要以下问题的帮助：) Following requests from several teams, Run Monash would like to allow ... 道该怎么做才能满足所问的问题 ) ask by Fish translate from so...

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

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427 views

1 answer

linux - 给定两个目录树，如何找出哪些文件有所不同？(Given two directory trees, how can I find out which files differ?)

If I want find the differences between two directory trees, I usually just execute: (如果我想找到两个目录树之间的差异，我通常只执行 ... Any suggestions? (有什么建议？) ask by Mansoor Siddiqui translate from so...

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

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295 views

1 answer

android - 如何使（NotificationCompat.Builder）在API级别28上工作？(How to make (NotificationCompat.Builder) work on API Level 28?)

[This object is not implemented due to a problem with the version ([由于版本问题，此对象未实现) NotificationCompat.Builder builder = new ... (图片附件说明问题) ask by LaiLa AlQam translate from so...

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

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314 views

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jquery - 已选中jquery set复选框(jquery set checkbox checked)

I already tried all the possible ways, but I still didn't get it working. (我已经尝试了所有可能的方法，但我仍然没有得到它的工作 ) ... .preventDefault(); return false; }); }); ask by psopa translate from so...

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

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344 views

1 answer

java - 无法加载JNI共享库（JDK）(Failed to load the JNI shared Library (JDK))

When I try opening Eclipse , a pop-up dialog states: (当我尝试打开Eclipse时，弹出对话框指出：) Failed to load the JNI shared library " ... (有什么建议可以解决这个问题？) 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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295 views

1 answer

java - Java：如何初始化String []？(Java: how to initialize String[]?)

Error (错误) % javac StringTest.java StringTest.java:4: variable errorSoon might not have been initialized errorSoon[0] = "Error, ... "Error, why?"; } } ask by hhh translate from so...

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

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