OStack Q&A-Knowledge Sharing Community

0 votes

290 views

1 answer

c++ - Fastest (or most elegant) way of passing constant arguments to a CUDA kernel

Lets say I want a CUDA kernel that needs to do lots of stuff, but there are dome parameters that are constant to all the ... better way I don't know of? Running on a Tesla K40....

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

0 votes

515 views

1 answer

maven - liquibase not doing any updates on SQL Server databse but log says everything is successful

I am trying to use Liquibase to deploy SQL DML and DDL to SQL server database. I am invoking liquibase through ... in 93ms [INFO] Successfully released change log lock [INFO]...

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

0 votes

272 views

1 answer

android - Sqlite Data is not changing after clean tables

After cleaning all the tables, I insert another data again . I can see in the chrome inspector that the data changes ... only can se changes after kill the app and open again....

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

0 votes

132 views

1 answer

关于ng-if的一个问题

<input ng-model="a" type="text"> <p ng-if="a">5555555555</p> 当在input输入0的时候，p标签为什么还是会显示啊？但是初始化$scope.a=0,p标签就不会显示。这是为什么呢？...

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

0 votes

334 views

1 answer

Tools to diagnose Spring application and find out why it starts so slow

? Recently I found out that it took about 10 minutes to start my Spring Application. I googled, but only find ... found out which module in my application needs to be optimized....

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

0 votes

302 views

1 answer

IO流：怎么正确理解FileInputStream类和 FileInputStream类的对象

...

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

0 votes

424 views

1 answer

我想在git commit 的时候自动创建一个tag标签

如题，我想在git commit的时候创建一个tag标签后来了解到可以使用pre-commit hook 开始编辑shell脚本 #!/bin/sh tag=$(git describe --tags `git rev-list --tags --max- ... 败的时候，就有问题了我想问问有什么解决办法，或者更好的自动创建tag标签的功能...

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

0 votes

279 views

1 answer

闭包的问题求高手讲解下

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

0 votes

299 views

1 answer

android - How to draw text on transparent background?

I am trying to draw text on transparent canvas, the result bitmap should be overlayed on another canvas with ... semitransparent color of text correctly. Example: Any suggestion?...

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

0 votes

162 views

1 answer

python - Why is my flask web app not working properly? I can't find any errors myself

So I tried to write my first flask web application and the website isn't working. Here is my application.py. I have already ... to coding, and i can't figure out what's going wrong...

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

0 votes

428 views

1 answer

算法：如何从一组数据种提取出需要的组合

例如，有如下的十六进制数据： 27 2c 30 46 48 50 61 73 82 93 a3 aa b3 c4 d3 e5 f3 106 113 127 133 148 153 高位为index（这部分为数据中的特征值）， ... 30 48 50 61 73 82 93 a3 b3 c4 d3 e5 f3 106 113 127 133 148 153...

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

0 votes

397 views

1 answer

搜索文章，按浏览量排序分页，会出现重复值

最近在做一个基于elasticsearch的搜索功能，根据关键词查询系统中的文章，根据关键词匹配度和浏览量排序输出数据，需要做分页然后现在产品提出一个分页会出现重复数据的问题：假设匹配度相同的情况下，原本在第一页的数据因为本来第二页的某 ... 数据其实我个人觉得，出现的概率非常低，有没有必要做过多复杂的处理？或者大家有没有更好的解决重复的方案?...

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

0 votes

322 views

1 answer

angularjs中路由的HTML5模式下的URL问题

在angularjs的路由中使用HTML5模式，结果无法加载模版（templateUrl没有发送http请求），而且URL中还出现的转义但使用标签模式时一切OK，求大佬告知？ <!DOCTYPE html> <html lang ... ">second</a> </div> <div ng-view></div> </body> </html>...

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

0 votes

187 views

1 answer

python - Discord Science/Tracking Endpoint

So I noticed there is a discord endpoint called Science/track and I have learned that it contains a lot of information regarding ... : EOF while parsing a value at line 1 column 0"...

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

0 votes

406 views

1 answer

正则匹配问题

behavior1/behaviour1 ；如何用正则把上角标去掉...

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

0 votes

466 views

1 answer

restful api如何保证安全性

restful api的安全策略都有哪些，都分别适用于哪些场景，有什么优缺点？...

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

0 votes

532 views

1 answer

css - How to change style of an element in React without using querySelector?

I am new to the React. Here, I'm trying to override the CSS of a class based on a condition let customizeColumn = ... of doing this. I am using Material-UI too. If that helps...

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

0 votes

378 views

1 answer

thinkphp3.2.3 ajax上传图片

控制器代码 html代码怎么改能按了提交就显示出来？这个thinkphp这个post数据是怎么用的，怎么我在控制器完全不用post过来数据呢？...

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

0 votes

254 views

1 answer

lua - How do I make the players teleport to their selected plots?

I have successfully made a plot selection system for my game with the help of this subreddit. I am now trying to make the ... plots. Please help me as I have no idea what to do....

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

0 votes

429 views

1 answer

bin目录有什么特殊含义吗？为什么可执行文件都放在bin目录？

只因为bin是binary的缩写？，可是所有的文件在电脑都是二进制的呀...

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

0 votes

769 views

1 answer

python - ModuleNotFoundError: No module named 'psycopg2' in ipython

This question has been asked before but none of the answers are unsatisfactory condition. I am trying to set ... sudo apt-get install python3-psycopg2 pip3 install psycopg2-binary...

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

0 votes

580 views

1 answer

javascript - Upon clicking a checkbox, uncheck other checkboxes and trigger change or click event on the on one that was previously checked

I have a group of checkboxes for a filtering functionality that triggers some function upon clicking them. I need to ... checked', false).trigger('change'); //click, change...

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

0 votes

347 views

1 answer

关于一条sql语句的问题

先上码：大致浏览一遍就好，重点请看文字 $price = M('hotel_price') ->where("room_type = '{$room_type}' and status=1 and start_date <= '{$date}' and ... 心求教大神~~~~有什么我没说明白的地方请评论，我尽量第一时间回答 ...

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

0 votes

541 views

1 answer

api - Python how to edit/update a GitHub gist?

I am trying to update a already created json file in a gist from a python program. The problem is, I can't figure out ... give me some kind of reference I can work off of? Thanks!...

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

0 votes

191 views

1 answer

Why can't I reference to a table without variables in lua?

The following code works as expected: local t = {} print(t[1]) The above will print nil. How come the following code ... an error? print({}[1]) What is the logic behind this?...

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

0 votes

500 views

1 answer

vue中如何让第一个事件执行完之后再执行下一个事件？

fn1(){ fn2(); fn3(); } 怎样做才能使fn2执行完之后再执行fn3...

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

0 votes

584 views

1 answer

使用DDMS分析内存发现系统中inactive占比重很大，这个是什么啊，有办法对他进行GC吗

使用DDMS分析内存发现系统中inactive占比重很大，这个是什么啊，有办法对他进行GC吗...

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

0 votes

432 views

1 answer

android - ResourceNotFoundException for drawable at launch

Problem Sometimes a crash caused by a ResourceNotFoundException is reported to me. This exception is caused at the ... ="0dp" android:layout_height="0dp" android:adjustViewBounds="...

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

Categories

Recent questions

Just Browsing Browsing

Most popular tags