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How to get image size (height & width) using JavaScript?

... You can programmatically get the image and check the dimensions using Javascript... const img = new Image(); img.onload = function() { alert(this.width + 'x' + this.height); } img.src = 'http://www.google.com/intl/en_ALL/images/logo.gif'; ...
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Best way to build a Plugin system with Java

... First you need an interface that all plugins need to implement, e.g. public interface Plugin { public void load(PluginConfiguration pluginConfiguration); public void run(); public void unload(); public JComponent getConfigurationPage(); } ...
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How do I install a plugin for vim?

... that it's completely safe (symlinks don't overwrite existing files, uninstall only deletes symlinks) and easy to keep things updated. # Easily install vim plugins from a source control checkout (e.g. Github) # # alias vim-install=rake -f ~/.vim/rakefile-vim-install # vim-install # vim-install unin...
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Is it possible to capture a Ctrl+C signal and run a cleanup function, in a “defer” fashion?

...wered Jun 29 '12 at 21:16 Lily BallardLily Ballard 164k2525 gold badges355355 silver badges331331 bronze badges ...
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Does deleting a branch in git remove it from the history?

...as a complete source tree, it is a very different structure from svn where all branches and tags (by convention) live in separate 'folders' of the repository alongside the special 'trunk'. If the branch was merged into another branch before it was deleted then all of the commits will still be reach...
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What techniques can be used to define a class in JavaScript, and what are their trade-offs?

... this.name = name; this.gender = gender; } // Add methods like this. All Person objects will be able to invoke this Person.prototype.speak = function(){ alert("Howdy, my name is" + this.name); }; // Instantiate new objects with 'new' var person = new Person("Bob", "M"); // Invoke methods...
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What are the risks of running 'sudo pip'?

Occasionally I run into comments or responses that state emphatically that running pip under sudo is "wrong" or "bad", but there are cases (including the way I have a bunch of tools set up) where it is either much simpler, or even necessary to run it that way. ...
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How to exit an if clause

... Ideally you can achieve both, but there are times when you must trade good code for good performance. Those times are rare, especially when you are considering using Python. In other words: don't worry so much about function c...
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No identities were available - administrator request

...one) In your project's build settings update your code signing identities (all of them) to the new one if there is one. (The old one was probably expired which is one of the biggest causes for the error message you saw) Verify that your bundle ID is correct (CaSe SeNsEtIvE) Back to XCode Organizer -...
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What is Bootstrap?

... It is an HTML, CSS, and JavaScript open-source framework (initially created by Twitter) that you can use as a basis for creating web sites or web applications. More information and links to download Getting started Examples Themes Bootply - Bootstrap Editor and Builder Update The o...