I am trying to do something basic (beginner in programming). I try to take a large image and a smaller container, and move the image up or down inside while the user scrolls. So you can . Move the yellow up or down while the user can see the red in the same position (kept in doc flow). If i
Tag: javascript
Add 6 months from one date picker to another datepicker
I have two datepickers and one combobox in HTML. The combobox contain 2 values (6 months and 1 year). If I select 6 months from the combobox the second datepicker should show the date after 6 months from the first datepickers date. I need code for this using JavaScript only not in jQuery. My code is Answer I …
Action doesn’t trigger effect the THIRD time when it runs
Effects runs perfectly on first two dispatch of action but doesn’t trigger on the third time.The solution in Why action doesn’t trigger Effect the second time it runs and @ngrx Effect does not run the second time doesn’t work for me. Here’s the effect: Answer I also had a similar probl…
convert wav file received in the request response to blob
I am trying to receive a WAV file as the response to a POST request. I use the send_file in Flask. I try to retrieve the file client-side in the response. I have ultimately converted it to a blob so it can be automatically downloaded. This is the API code for the server: This is the client script for the
Eslint: how to handle no-use-before-define for dependent functions?
I have 2 dependent functions that call each others, so one or the other has to be declared first which fires an eslint no-use-before-define error. I know I can disable the rule but is there any better way do do this? Simplified example: I can’t merge a and b as they both need to be called separately som…
d3 line generator returning null rather than path data string
I’m using d3 v4 to create a line graph. My pathGenerator, using d3’s line() method, is returning null instead of a path data string (eg “M 100 100 L 300 100 L 200 300 z”), and therefore no lines are being drawn. When I add in console.log()s to try to determine where the issue occurs, t…
Node –experimental-modules – Error: Cannot find module
I am getting an error when trying to import a local file, though no problem when using npm packages. server.js api.js Starting app Error Answer I’m answering my own question if anybody else has this problem. It turns out in experimental mode you need to define the full path with extension. So I am tryin…
‘history’, no-restricted-globals, and window.history
So I was running into an issue with React where if I tried to use ‘history’, my code wouldn’t run telling me it’s an ‘unexpected use of history no-restricted-global’. I turned to StackOverflow in order to get help and surprisingly, I was able to find an answer to the issue …
Processing and replacing text inside double curly braces
I have a URL string: var url = https://url.com/{{query}}/foo/{{query2}} I have a line of code that is able to take in a string, then get an array of all the queries inside the braces: var queries = String(url).match(/[^{}]+(?=})/g); Returns: queries = [‘query’, ‘query2’] I have a funct…
How to Insert bulk Array of data in mssql table using nodejs
I am using node-mssql, LInk : https://www.npmjs.com/package/mssql i want to insert bulk array of data in mssql database i am getting array of array records eg: [[row1],[row2],[row3]] i want to insert these records in mssql database Error : The label ‘@’ has already been declared. Label names must …