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How to create a JavaScript callback for knowing when an image is loaded?

...o know when an image has finished loading. Is there a way to do it with a callback? 10 Answers ...
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Two color borders

...esn't jive well with IE < 8. While this is true; supporting IE < 8 really isn't something you should be doing. share | improve this answer | follow | ...
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Ways to implement data versioning in MongoDB

... approach would be to store diffs. Because the display of these diffs is really a special action, I would put the diffs in a different "history" collection. I would use the different collection to save memory space. You generally don't want a full history for a simple query. So by keeping the histo...
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Looping through array and removing items, without breaking for loop

...ction and the for loop both iterate over the array (splice function shifts all elements of array in the worst case). Instead you can just push the required elements to the new array and then just assign that array to the desired variable (which was just iterated upon). var newArray = []; for (var i...
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How to create a .gitignore file

.... However, I can't find it in my project folder. Isn't it created automatically by Xcode? If not, what command allows me to create one? ...
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How can a time function exist in functional programming?

...the same output, for same input, no matter how many times the function is called. It's exactly like a mathematical function which evaluates to the same output for the same value of the input parameters which involves in the function expression. ...
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AngularJS: Injecting service into a HTTP interceptor (Circular dependency)

...ependency of $http on the AuthService. I believe that what you did is actually the simplest way of doing it. You could also do this by: Registering the interceptor later (doing so in a run() block instead of a config() block might already do the trick). But can you guarantee that $http hasn't b...
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Pass props to parent component in React.js

...ase of direct parent-child relationship. When parent and child have potentially a lot of intermediaries, check this answer. Other solutions are missing the point While they still work fine, other answers are missing something very important. Is there not a simple way to pass a child's props to...
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Private and Protected Members : C++

... Public members of a class A are accessible for all and everyone. Protected members of a class A are not accessible outside of A's code, but is accessible from the code of any class derived from A. Private members of a class A are not accessible outside of A's code, or f...
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IIS7 deployment - duplicate 'system.web.extensions/scripting/scriptResourceHandler' section

... running in .net 4.0 you will need to cleanup the web.config that includes all the section Definitions that point to .net 3.5. The reason this fails is because these section definitions are already included in the root web.config in .NET 4.0 (see %windir%\microsoft.net\framework\v4.0.30319\config\ma...