I have read several articles on this subject, but it is still not clear to me if there is a difference between Promise.reject vs. throwing an error. For example, Using Promise.reject Using throw My preference is to use throw simply because it is shorter, but was wondering if there is any advantage of one over…
Author: admin@master
How to select multiple lines in Sublime Text (quickly)
I have a JS file that has over 100000 lines of code, I want to get rid of the first 25000, I’ve been trying hard but can’t figure out how do I select them all at once (holding left mouse button and scrolling down is not an option as it would take forever). I guess holding SHIFT and arrow DOWN
Click on product it will automatically redirect another site
I have one issue in Magento e-commerce web site. When I click on any product first time it will redirect to another site. When I click second time in that product or any other product it will redirect to product view page. Google Web Master Tools does not get any types of malware. I can not get proper solutio…
MomentJS set timezone without changing time
I’m trying to set the timezone for a date in moment.js without changing the time value I get a date in utc: and I need to set the time zone without changing the time. if I use date.utcOffset(moment().utcOffset()) it adds the offset: I could do but that seems like an inefficient way to do it. Is there an…
Pinch/pucker an image in canvas
How can I pinch/pucker some area of an image in canvas? I’ve made a solar system animation some time ago, and I started rewriting it. Now, I want to add gravity effect to masses. To make the effect visible, I turned the background into a grid and I’ll be modifying it. Desired effect is something l…
How to position DataTables buttons outside of table wrapper
Can you please take a look at This Demo and let me know how I can re-position the dataTabes buttons somewhere else , let say inside .panel-heading calss and apply btn-sm to them? Here is the very basic standard format which I have now and as you are fully aware it is adding the buttons inside #example-wrapper…
+ operator vs parseFloat
Example 1 of the knockout extenders page describes a way of rounding user input and making sure it is only numeric. It works great, but looking through the source they do a peculiar thing that i don’t understand, that is on line 8 they do this: newValue is a string. When i initially asked this question …
Is there any way to make user uploaded SVG images safe from code injection etc?
I want to display user uploaded SVG images on a website, but they’re quite open to exploits: https://security.stackexchange.com/questions/11384/exploits-or-other-security-risks-with-svg-upload https://security.stackexchange.com/questions/36447/img-tag-vulnerability For example, arbitrary javascript can …
Equivalent function in JavaScript/Ramda as Clojure’s juxt
I need the functionality of Clojure’s juxt function in JavaScript. Is there a native function for this? We’re using the Ramda functional JavaScript library. Is there a Ramda function with the juxt functionality? I know, of course, I can write this function myself. This is for educational purposes.…
Can you bind ‘this’ in an arrow function?
I’ve been experimenting with ES6 for a while now, and I’ve just come to a slight problem. I really like using arrow functions, and whenever I can, I use them. However, it would appear that you can’t bind them! Here is the function: Here is the object I want to bind the function to: And here …