Version I am using Update 5th May 2012 Jeff Smith has blogged showing, what I believe is the superior method to get CSV output from SQL Developer. Jeff’s method is shown as Method 1 below: Method 1 Add the comment /*csv*/ to your SQL query and run the query as a script (using F5 or … Read more
Create a table with the set you want to export and then use the command line utility pg_dump to export to a file: create table export_table as select id, name, city from nyummy.cimory where city = ‘tokyo’ $ pg_dump –table=export_table –data-only –column-inserts my_database > data.sql –column-inserts will dump as insert commands with column names. –data-only … Read more
I often do the following in index.js files that compose several files: export {default as SomeClass} from ‘./SomeClass’; export {someFunction} from ‘./utils’; export {default as React} from ‘react’; This blog entry provides some nice additional examples. Important note You should be aware this eslint-rule when accessing these exported imports. Basically, in another file, you shouldn’t: … Read more
For lazy people, use mongodump, it’s faster: mongodump -d <database_name> -o <directory_backup> And to “restore/import” it (from directory_backup/dump/): mongorestore -d <database_name> <directory_backup> This way, you don’t need to deal with all collections individually. Just specify the database. Note that I would recommend against using mongodump/mongorestore for big data storages. It is very slow and once … Read more
const is like let, it is a LexicalDeclaration (VariableStatement, Declaration) used to define an identifier in your block. You are trying to mix this with the default keyword, which expects a HoistableDeclaration, ClassDeclaration or AssignmentExpression to follow it. Therefore it is a SyntaxError. If you want to const something you need to provide the identifier … Read more
You can do this in native JavaScript. You’ll have to parse your data into correct CSV format as so (assuming you are using an array of arrays for your data as you have described in the question): const rows = [ [“name1”, “city1”, “some other info”], [“name2”, “city2”, “more info”] ]; let csvContent = “data:text/csv;charset=utf-8,”; … Read more
Original answer was specific to a similar question. This has been revised: const canvas = document.getElementById(‘mycanvas’) const img = canvas.toDataURL(‘image/png’) with the value in IMG you can write it out as a new Image like so: document.getElementById(‘existing-image-id’).src = img or document.write(‘<img src=”‘+img+'”/>’);
Probably the simplest way to achieve this is with git archive. If you really need just the expanded tree you can do something like this. git archive master | tar -x -C /somewhere/else Most of the time that I need to ‘export’ something from git, I want a compressed archive in any case so I … Read more