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java - Processing each flux item in a dedicated transaction with Spring WebFlux, Reactor, R2DBC

I'm working on a Spring Boot 2.4 webapp with WebFlux, Spring data R2DBC and PostgreSQL. Actually, I ... provide details about this point particularly! Thanks in advance! Regards...

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

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Cannot get com.huawei.hms.location.LocationServices for Huawei Map Kit in android studio

I am currently trying to migrate Google Maps to Huawei map kit in my android project. It was easy to migrate google maps to ... } 4. implementation 'com.huawei.hms:maps:5.1.0.300'...

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

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Swift/FireStore - Appending/updating elements in an array

Ok, so this feature is semi-working: API.FIRESTORE_DOCUMENT_USERID(userID: userID).updateData(["user_rating":FieldValue.arrayUnion( ... way I can allow for duplicates? Thank you....

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

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powerbi - Subtotal not reflecting sum of underlying row calculations

This is kind of similar to my question here, but different enough i think to justify a new question. Looking ... ://1drv.ms/u/s!Al7VQqB8RVlWgY4mUYqouesRPNE0qw?e=IiMPnq Any ideas?...

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

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IDEA Spring-Boot: method ** is never used

index 出现了警告，Method 'index()' is never used IDEA 不是支持 spring-boot 的吗 IDEA 2017 版本在使用 2016 版本的时候好像没有这个警告...

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

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Git submodule updating - HEAD doesn't match up to git log

I'm having trouble getting git's submodules to update properly when I pull a repository and the submodule's commit has ... update submodule B to the commit has as indicated by A....

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

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python - Bokeh LabelSet not displaying labels on vbar plot

I'm not quite sure what I'm missing here, I'm plotting a vbar comprised of categorical dates on the x-axis ... of plot that's produced Am I missing something really obvious here?...

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

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reactjs - Hello, I'm having the following error in REACT working with Router and the RSUITE library :

Uncaught TypeError: react__WEBPACK_IMPORTED_MODULE_0__.React is undefined Updating webpack and so on doesn't resolve anything at least ... } } Thanks for any help you may provide,...

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

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android - Google Play - How can internal tester view the production version?

We want to start using google play for testing (We used Firebase until now). One of our tests is version upgrade ... there a way for internal tester to view the production version?...

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

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ios - Swift: How to subclass CALayer so it resizes automatically?

It is known that the main/root layer of a UIView, e.g., view.layer, will resize automatically to fill the ... the UIView and resize without having to consistently update the frame....

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

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pandas - Strip an Item to a new column from existing column using python

New to python. I want to strip name from a DF column. I am looping through every item in the list in the column ... =Second, interest=walking, name=Julian] Julian 3 Entity4 [] NaN...

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

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reactjs - How to only build JavaScript that is used in my React Web app with Brunch?

I became a maintainer of a React web app that is built with Brunch. I noticed that it loads very slowly in the web browser. I think the slow ... "^3.3.9", "update": "^0.7.4" } ......

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

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如何让后台获取的图片在页面显示出来

success:function(data){ issueType = data.issueType; console.log(data.lstFile); aba.innerHTML = ""; var fileName; var len = data.lstFile.length; // ... `![请输入代码][1]` 求大神指教指教,已经困扰几天了...

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

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ansible script module: what is `cmd` for?

I'm just reading the script module documentation, and I don't understand what the cmd property is good for. The ... by a list of arguments. Can someone explain the difference?...

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

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Weex 导航到选中 tabbar item 扩展方法

android平台 weex sdk 0.10.0 tabbar是在 instanceId =1 在当前实例很简单，在其他 instance时候，如何切回 tabbar的某一项，没有对应方法看文档，我的思路是 ... getInstance 获取到 instanceId=1 这个实例,不知道这个思路是否可行，js 有无 getInstace 方法...

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

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.htaccess - External access to a vache with apache redirects to localhost

I added apache to a vps and installed wordpress on it, when I access it locally (via the vps) I have no problems, when I try ... this? I wish you all a good end of the year! ???...

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

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Webapp 关闭后重新打开无需登录如何操作？

我是个新人，最近给公司做一个webapp（是那种扫描二维码进入页面的），测试的时候有个问题就是，如果关闭了页面，重新扫描二维码会要求重新登录，非常的麻烦，我查询了百度，发现用HTML5的localStorage可以解决，但我毕竟是个新人，所以不知道，这个如何和数据库里面的数据进行匹配或者校验？...

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

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PHP中的mb_detect_encoding和mb_convert_encoding方法获取编码和转码问题

用mb_detect_encoding获得的返回值是cp936这个与GBK对应？通过mb_convert_encoding转码后，虽然文本显示正常，但是在用mb_detect_encoding检测文本编码格式，仍然是cp936，并没有改变 ... ,"UTF-8","ASCII","BIG5"))."<br/>"; echo $file_contents;...

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

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javascript - async/await implicitly returns promise?

I read that async functions marked by the async keyword implicitly return a promise: async function getVal(){ return await ... big problem with it, but it does defy normal JS....

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

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excel - Sorting Range Addresses Numerically

My code snippet is meant to look through all sheets in workbook and find the address of that specific text's location and ... Union(FoundRange, FoundCell) Loop 'End Of Do Loop (1)...

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

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vuex如何更优雅地用于派发事件？

之前一直用new Vue()来定义一个全局通讯的Bus，这样组件之间通讯，只需要一边emit,另一边on监听就可以了后来改用vuex，感觉上vuex理解上只是一个全局data,当需要派发事件的时候：例如A组件的一个事件，去触发B组件的 ... 每次触发时，取false，然后在组件内watch这个值，调用方法如图：然后监听：请问大家有好一点的方法吗？...

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

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child.stdin 为什么不是 stream.Writable 的实例? ???

问题：官方文档中说child.stdin是一个可写流，child.stdin也确实可以使用stream.Writable类的方法，例如，child.stdin.write()，具体详见我的另一个问题（ ... ); //=>false console.log(child.stdin instanceof stream.Readable); //=>true...

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

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redis缓存数据如何管理

1.实际项目中都有哪些数据存入redis中 2.多个开发人发自己存自己的数据，是怎样规范存储和整理的 3.redis中的数据用作缓存还是硬存储 4.redis上手容易不，是不是使用一个工具类就可以了。...

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

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prolog - changing list of strings to atoms using maplist?

How to change string to atoms using maplist. This does not work : ?- maplist(atom_string,["a","b","c"]). first because atom_string/2 has ... = Y^X^atom_string(X, Y), L = [a, b, c]....

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

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javascript - Angular 8 : why execution of getcartorCreate() method break after execute the this.id = await this.getServer();

private getServer() { return this.db.list('/shopping-carts/').snapshotChanges().toPromise(); } private async ... dropped the service. what kind of behaviour of this ?...

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

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部署maven项目时，旧的文件不删除

maven热部署时，在项目中已经删除的文件，redeploy确无法删除旧的文件，怎么办非常急，，，感谢各位...

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

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275 views

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一个PWN的小疑问？

已经控制pc，想把"/bin/sh"写入bss段，如下图所示： [26] .bss NOBITS 0000000000601040 此时: p12为read的got表地址 rdi为0(标准输入流) rsi为bss段地址(0x601040) rdx为长度(16) 可以看到调试信息都是对的，bss也可写，可是调用read就直接过去了，没有要求输入，请问为什么？...

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

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RedisCluster请教？

要使用RedisCluster，百度了一下文档，例如：http://blog.csdn.net/qiguitin... 文档中直接$obj_cluster = new RedisCluster这样new一个对象，这个RedisCluster class在哪呢？...

asked Feb 5, 2021 in Technique[技术] by 深蓝 (71.8m points)

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