... We have a PHP coding test and occasionally receive submissions where the <?= short tag has been used. Unfortunately the assumption that this style is in use everywhere is a little naive and often comes from developers brought up on a diet of ASP. Clearly it is...

... First of all, never use a for in loop to enumerate over an array. Never. Use good old for(var i = 0; i<arr.length; i++). The reason behind this is the following: each object in JavaScript has a special field called prototype. Ever...

...y discovered that the built-in Mathematica function DominantColors doesn't allow enough fine-grained control to approximate the algorithm that iTunes uses. I wrote my own function instead... A simple method to calculate the dominant color in a group of pixels is to collect all pixels into buckets ...

...syntax of scheduling a new job may seem daunting at first glance, it's actually relatively simple to understand once you break it down. A cron job will always have five columns each of which represent a chronological 'operator' followed by the full path and command to execute: * * * * * home/path/t...

...like Alessandro said, and here it is in the documentation: ~: Converts all operands into strings and concatenates them. {{ "Hello " ~ name ~ "!" }} would return (assuming name is 'John') Hello John!. – http://twig.sensiolabs.org/doc/templates.html#other-operators And here is an example so...

...wsing mode, it appears as though localStorage is available, but trying to call setItem throws an exception. store.js line 73 "QUOTA_EXCEEDED_ERR: DOM Exception 22: An attempt was made to add something to storage that exceeded the quota." What happens is that the window object still exposes localS...

... 3. or install the missing expected extension – Andrew May 3 '17 at 12:58 ...

... Hard to believe authors designed it this way. Why not to send all input fields with some default value for those not checked :( It would be much clearer solution then having to implement some hidden fields "hack". It must have been clear that it is going to be needed and they had to see...

...ed code to a production server) but we're still doing database updates manually. I would like to find or create a solution that allows us to work efficiently across servers with different environments while continuing to use Subversion as a backend through which code and DB updates are pushed aroun...

I have to build a small webapp for a company to maintain their business data... Only those within the company will be using it, but we are planning to host it in public domain, so that the employees can connect to app from various locations. (Till now I have built web apps that are hosted internall...