So theres this Bootstrap3 accordion with consecutive panels. Each one has a button that closes it and opens the next one: the next step, if you will. However, if (certain conditions not met) the next panel should not open. Other things should also not happen, but they are sort of under control. The point is t…
Author: admin@master
remove all items in array that start with a particular string
Hi let’s say that I have an array like this in javascript: How do I remove from all the strings from my array that start with ftp_ Thanks Answer Simply use Array.filter: Edit: for IE9- support you may use jQuery.grep:
How to change selenium user agent in selenium-webdriver nodejs land?
I’m in javascript + mocha + node land. I have tried setting userAgent and ‘user-agent’ as keys on capabilities: There is this answer which says to use a firefox profile, but that’s not exposed. There is no driver.FirefoxProfile nor one exposed globally nor webdriver.FirefoxProfile nor …
FullCalendar.js adjust header for mobile
I am using responsive styling in a project that uses the fullcalendar.js. Unfortunately, I can’t get the style of the header (fc-header-left, fc-header-center, fc-header-right) to stack on each other when in mobile view. For example… in desktop view it looks like… fc-header-left fc-header-ce…
How to Disable V8’s Optimizing Compiler
I’m writing a constant-time string comparison function (for node.js) and would like to disable V8’s optimizing compiler for this single function; using command-line flags are out of the question. I know that using a with{} (or try/catch) block will disable the optimizing compiler now, but I’…
“continue” in cursor.forEach()
I’m building an app using meteor.js and MongoDB and I have a question about cursor.forEach(). I want to check some conditions in the beginning of each forEach iteration and then skip the element if I don’t have to do the operation on it so I can save some time. Here is my code: I know I could turn…
How do I detect if window.location failed?
How do I check if a call to window.location failed because the given URL was invalid, etc? Is there some event I can set on the window object or on some other object that can catch this? Answer Finally got it to work using a “workaround” that is not a generic solution as I originally hoped: I am u…
How do I convert a height of an element given in vh to pixels?
I have the max-height of an element as 65vh. I need to convert it to pixels in my JavaScript to see whether an image can fit there or if I need to shrink/crop it. (am doing win8 App development). …
Dragon NaturallySpeaking software not calling onAfterChange event
I am unable to get Dragon NaturallySpeaking 11 to fire an onkeyup event in JavaScript that works fine when a user types into the textbox. Does this software act differently than a keyboard copying and pasting text into a focused textbox? Answer Dragon dictation changes the text by sending messages (i.e., EM_R…
How to check file MIME type with JavaScript before upload?
I have read this and this questions which seems to suggest that the file MIME type could be checked using JavaScript on client side. Now, I understand that the real validation still has to be done on server side. I want to perform a client side checking to avoid unnecessary wastage of server resource. To test…