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Automatically deleting related rows in Laravel (Eloquent ORM)

...(); static::deleting(function($user) { // before delete() method call this $user->photos()->delete(); // do the rest of the cleanup... }); } } You should probably also put the whole thing inside a transaction, to ensure the referential integrity...
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Replacing spaces with underscores in JavaScript?

...e to replace spaces with _, it works for the first space in the string but all the other instances of spaces remain unchanged. Anybody know why? ...
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When should I use Arrow functions in ECMAScript 6?

... A while ago our team migrated all its code (a mid-sized AngularJS app) to JavaScript compiled using Traceur Babel. I'm now using the following rule of thumb for functions in ES6 and beyond: Use function in the global scope and for Object.prototype prope...
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Get started with Latex on Linux [closed]

... First you'll need to Install it: If you're using a distro which packages LaTeX (almost all will do) then look for texlive or tetex. TeX Live is the newer of the two, and is replacing tetex on most distributions now. If you're using Debian or Ubunt...
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Why does the lock object have to be static?

...ons. And in the latter, there are better ways of doing it anyway. So it really depends: how is Locker used in your scenario? Is it protecting something that is itself static? If so, the lock should be static. If it is protecting something that is instance based, then IMO the lock should also be ins...
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What does AngularJS do better than jQuery? [closed]

...ar will then provide you a $scope handler, which you can populate (statically or through calls to the web server). This is a good understanding of data-binding. I think you've got that down. DOM Manipulation For simple DOM manipulation, which doesnot involve data manipulation (eg: color...
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Read Excel File in Python

...value)) except ValueError: pass finally: values.append(value) item = Arm(*values) items.append(item) for item in items: print item print("Accessing one single value (eg. DSPName): {0}".format(item.dsp_name)) print ...
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What is the correct XPath for choosing attributes that contain “foo”?

Given this XML, what XPath returns all elements whose prop attribute contains Foo (the first three nodes): 9 Answers ...
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How do I control how Emacs makes backup files?

...tory as the file you're editing, but that is easy to change. You can make all backup files go into a directory by putting something like the following in your .emacs. (setq backup-directory-alist `(("." . "~/.saves"))) There are a number of arcane details associated with how Emacs might create y...
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How to install packages using pip according to the requirements.txt file from a local directory?

... This works for me: $ pip install -r requirements.txt --no-index --find-links file:///tmp/packages --no-index - Ignore package index (only looking at --find-links URLs instead). -f, --find-links <URL> - If a URL or path to an html file, then par...