append | 易学教程

vim创建新文件自动添加自定义信息

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vim创建新文件自动添加自定义信息用vim创建新文件时会相应地给出该文件属性的自定义信息，以Ubuntu 18.04系统为例，当创建.sh脚本文件时：当创建.cpp源文件时：以管理员方式用vim打开其配置文件.vimrc，命令如下： sudo vim /etc/vim/vimrc 输入密码后，进入如下界面：输入“i”进入编辑状态，并把如下信息复制在文件末尾，信息如下： let g:pydiction_location = '~/.vim/after/complete-dict' let g:pydiction_menu_height = 20 let Tlist_Ctags_Cmd='/usr/local/bin/ctags' let g:miniBufExplMapWindowNavVim = 1 let g:miniBufExplMapWindowNavArrows = 1 let g:miniBufExplMapCTabSwitchBufs = 1 let g:miniBufExplModSelTarget = 1 autocmd FileType python set omnifunc=pythoncomplete#Complete set rtp+=~/.vim/bundle/vundle set fencs=utf-8,ucs-bom,shift-jis

How to append points to LINESTRING SQL

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问题 I have a table with points which is a LINESTRING. I have a row in there which has some points in said column. I have a second set of points in the form a of a string, I would like to append these points to the existing row. Is there any way to do this in MySQL without selecting the points as text, manually merging the strings then updating points in the row? 回答1: MYSQL Spatial function does not include any solution for appending a LINESTRING but there is a workaround which i have tried for

How to use 'cons' without generating nested lists in Scheme?

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问题 While attempting to generate a list of subsets that exist within two sets, I am running into an issue with cons . A procedure takes in a list named result and attempts to construct a new list out of result and the car of another set. So far, the set is generated with the correct elements, but they are contained within a size N nested list, where N is the number of nestings and the number of elements within the subset for which I am searching. How can I apply cons with result without creating

php post to variable and then append to txt [closed]

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问题 Closed . This question needs to be more focused. It is not currently accepting answers. Want to improve this question? Update the question so it focuses on one problem only by editing this post. Closed 5 years ago . I'm having this problem where I can't manage to accomplish this simple script. Basically, I want to take a post from a form, assign it to a variable, and then append the variable to a preexisting example.txt file. I apologize for the lack of examples, I switched to my phone after

jquery, masonry after append complete

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问题 I have the jQuery below http://jsfiddle.net/XMdYw/7/ var elements = ''; var ELEMENT_COUNT_PER_PAGE = 301; var page = 1; for (var i = (ELEMENT_COUNT_PER_PAGE * (page - 1)); i <= (ELEMENT_COUNT_PER_PAGE * page); i++) { elements+= '<div class="imgwrap"><img src="lq/'+i+'.jpg" class="image-'+i+'"/></div>' } $('.imagecontainer').append(elements).masonry(); The issue with it is that the images are overlapping, after refreshing the page it fixes but once the site is completely realoded it has the

mysql select update

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问题 Got this: Table a ID RelatedBs 1 NULL 2 NULL Table b AID ID 1 1 1 2 1 3 2 4 2 5 2 6 Need Table a to have a comma separated list as given in table b. And then table b will become obsolete: Table a ID RelatedBs 1 1,2,3 2 4,5,6 This does not rund through all records, but just ad one 'b' to 'table a' UPDATE a, b SET relatedbs = CONCAT(relatedbs,',',b.id) WHERE a.id = b.aid UPDATE: Thanks, 3 correct answers (marked oldest as answer)! GROUP_CONCAT is the one to use. No need to insert commas between

Javascript counter variable not incrementing only appending digits [duplicate]

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问题 This question already has answers here : cannot use + when try to add number (4 answers) Closed 4 years ago . var counter = 0; var userAdd = prompt("How many would you like to add?"); counter += userAdd; console.log(counter); New to javascript. I am trying to get the counter to increment up by the amount that the userAdd variable specifies. When I run this code all I get from the console.log() is, for example: If userAdd is '1' each time: 01 011 0111 ...etc. instead of: 1 2 3 Whats the

Firestore - Append to tableView when view is loaded

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问题 Can someone please show me how I can append data from Firestore into an array? What I would like to do is make it so that when the view appears the data is appended into the below array and then into the correct labels of the tableView. When I call print("(document.data())") the data shows the way it should do in the bottom panel, I just don't know how to make it so that it appends into my array. Any help would be greatly appreciated, Many thanks!! Firestore Xcode bottom panel struct

Append one link to jquery ui autocomplete

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问题 what i want to achieve is, that when the autcompletion list is rendered, an additional div with one link is appended to the resultlist. somehow this is not working for me. i've tried $(".ui-autocomplete").append('<div style="border:1px solid red"><a href="#">Click me to get in contact</a></div>'); but that's not working. If i do $(".ui-autocomplete").append('<p>Ramo</p>'); then i get a red border around the ul element of the autocomplete box.That's fine, so i thought a simple append should

jQuery append different text each click

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问题 I have a basic jQuery function going on: $("#selector").click(function(){ $("#target").append("Some text to be added..."); }); That works fine, except I want to append different text on each sequential click. For example: First click appends text "Message 1" Second click appends text "Message 2" Third click appends text "Message 3" and so on and so forth... Also, I would like to set a limit, to say, 4 which after 4 clicks, nothing else happens. Any help would be appreciated. 回答1: var messages