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Laravel Plug-in for reading Excel Laravel Excel cannot read Excel data?

1. Use Laravel Excel v2.1.* for Laravel 5 to read Excel files 2. 3. Question: How to obtain the original data during time reading? It is not converted data.

天蓬老師 2017-05-18 10:52:21 0  1  1717

javascript - How does the daterangepicker calendar plug-in change the time period position?

How does the daterangepicker calendar plug-in change the time period position? I want to move this quick time period to the left. Using the 'open':'left' parameter does not work. This is my calling code: {code...} Thank you

高洛峰 2017-05-19 10:39:33 0  1  725

How to bind a shortcut command in vim to open two plug-ins at the same time

For example, I use two very popular plug-ins, NERDTree and Tagbar, in vim. Generally, I open these two plug-ins at the same time after opening the editor. It is very troublesome to type twice every time. I wonder if I can use them To synthesize a command, such as dev, to achieve the following effect...

高洛峰 2017-05-16 16:42:58 0  2  760

Concurrency - How does the nginx plug-in implement time-consuming operations in a non-blocking manner?

Problem description: Everyone knows that the reason why nginx has great performance is based on its asynchronous and non-blocking nature. Therefore, when developing nginx plug-ins to handle network requests, you must remember to perform certain time-consuming operations in a blocking manner. Otherwi...

phpcn_u1582 2017-05-16 17:12:26 0  1  567

javascript - There are more than 10 divs using the daterangepicker plug-in on the same page. When I click a custom selection time, all the inputs change. What's going on?

Now the project has more than 10 places where time ranges need to be selected. The plug-in used is daterangepicker. Now I click the custom button and the time in the input will change according to the click. But when selecting the time, there was only one place where this plug-in was needed, so Only...

淡淡煙草味 2017-05-19 10:39:35 0  1  586

linux - How to install using yum

I still don’t understand it after reading it online, and the installation fails every time.

世界只因有你 2017-05-16 13:22:36 0  4  790

logging - Python log, should the time use UTC time or local time?

The actual phenomenon is that I remember reading a blog before. It said that the time in UTC 0 time zone should be used but there is nothing wrong with using local time? Related code A certain section of my log (using local time) {Code...} Context Product version : Python 2.7 Operating system: Linux...

代言 2017-06-12 09:26:57 0  2  1335

javascript - Webpack plug-in UglifyJsPlugin feels contradictory when reading the documentation?

1. First of all, the "Guide" on the official website says that UglifyJsPlugin is a built-in plug-in, so you can use it directly. 2. Then on the plug-in introduction page, it is said that UglifyJsPlugin requires the installation of a plug-in before it can be used, and it also requires {code...

過(guò)去多啦不再A夢(mèng) 2017-05-19 10:46:29 0  1  781

php - In a production environment, how can we add indexes to MySQL and modify the table structure so that our online business is not affected?

In a production environment, how can we add indexes to MySQL and modify the table structure so that our online business is not affected? Because there are writing and reading operations to the library at any time online.

某草草 2017-05-27 17:38:57 0  1  805

ios - Why do some books say that the initialization method and dealloc method should always read and write data through instance variables?

Effective objecttive -c2.0 This book says that in the initialization method and dealloc method, you should always read and write data through instance variables. After reading it for a long time, I didn’t understand the reason? Has anyone read this book?

我想大聲告訴你 2017-05-17 10:05:31 0  1  1137

node.js - request's pipe method, how to monitor the time required to read a file?

To read a picture from the Internet, I need to know the time required. For example, if it exceeds 3 seconds, I will give up reading the picture. How to do this?

怪我咯 2017-05-24 11:38:32 0  1  780

javascript - Regarding development using axios and vue. When the mobile browser returns, it reads the cache and cannot execute js and vue components.

A mobile website has tested login restrictions on a page. If you are not logged in, you will go to the login page, but when you reach the login page and press the return key, you can still return to the first page without reading any data or pictures. How can I make him go back? It's time to refresh...

高洛峰 2017-07-05 10:48:12 0  2  1053

javascript - I plan to write a websocket front-end for the php backend. Which library is the fastest? Chinese documents are the most complete?

If you use native JS in the title, they are all English documents. Originally, there are many concepts of websocket. Reading English is afraid of misunderstanding and it will waste time. I am a back-end person and do not plan to spend too much time on JS. I just want to develop quickly. Do you have ...

給我你的懷抱 2017-05-16 13:04:51 0  4  776

What are the advantages of partition design in kafka?

Increase concurrent writes? Disk io can only write one file at a time, right? Can concurrent reading be improved? Disk io can only read one file at a time, right? Increase single write speed? It seems to have nothing to do with partition, right? Increase single read speed? Wouldn’t it be solved with...

滿天的星座 2017-06-23 09:13:28 0  1  1277

Problems using vim plug-in

When using vim, a plug-in for Python PEP8 standard detection is installed. The plug-in address is: https://github.com/nvie/vim-flake8. When using this plug-in, the plug-in will indeed prompt an error, but after reading the error prompt, it will not Do you know how to close it, as shown in the pictur...

僅有的幸福 2017-05-16 16:37:10 0  3  722

javascript - What time plug-ins can be used with react?

What time plug-ins can be used in react and how to use them

扔個(gè)三星炸死你 2017-06-26 10:57:55 0  1  728

javascript - How to quickly convert CST time into timestamp

{Code...} For example, for a time like this, I am currently using the VUE element plug-in. I don’t know why the time comes out in this format. Is there a simpler conversion method?

女神的閨蜜愛(ài)上我 2017-06-26 10:53:32 0  1  1081

git - win7 64 sublime text3: No changes added to commit

I am using the sublimeGit plug-in, and an error is reported every time I commit. I also reported errors when using the git plug-in before. The file has been added.

漂亮男人 2017-05-02 09:38:16 0  0  825

Unit testing - some issues related to code organization in c++ testing

I am a novice C++ programmer. I used JavaScript most of the time. Now due to homework needs, I am writing a project in C++. The development environment is Xcode. I want to do the tests myself, but I know nothing about testing before. After reading this, I decided to use the catch testing framework. ...

ringa_lee 2017-05-31 10:38:53 0  1  1016

javascript - What will alert if you analyze this code?

{Code...} The comments were my initial understanding, and then after seeing the results, I tried to use the answers to think backwards to find the reasons. =========================The dividing line after reading the answer================== ========= After step 2, this is still dbl, and val is 2 at...

phpcn_u1582 2017-05-19 10:41:46 0  2  650