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How do you make sure email you send programmatically is not automatically marked as spam?

This is a tricky one and I've always relied on techniques, such as permission-based emails (i.e. only sending to people you have permission to send to) and not using blatantly spamish terminology. ...
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What is the HEAD in git?

There seems to be a difference between the last commit, the HEAD and the state of the file I can see in my directory. 5 Ans...
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Get exit code of a background process

I have a command CMD called from my main bourne shell script that takes forever. 12 Answers ...
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How do you update Xcode on OSX to the latest version?

...Store Look in the top right for the updates section (may also be in lefthand column "Updates"..) Find Xcode & click Update share | improve this answer | follow ...
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Proper use of errors

I'm using TypeScript for a reasonably large project, and am wondering what the standard is for the use of Error s. For example, say I hand an index out of bounds exception in Java: ...
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Wait 5 seconds before executing next line

...nstance to simulate a slow async http request? – A.Grandt Sep 22 '16 at 9:17 17 If by "testing" y...
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Why do we copy then move?

I saw code somewhere in which someone decided to copy an object and subsequently move it to a data member of a class. This left me in confusion in that I thought the whole point of moving was to avoid copying. Here is the example: ...
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What are the nuances of scope prototypal / prototypical inheritance in AngularJS?

...(i.e., form elements, ng-model) in the child scope. Ng-repeat, ng-switch, and ng-include can trip you up if you try to bind to a primitive (e.g., number, string, boolean) in the parent scope from inside the child scope. It doesn't work the way most people expect it should work. The child scope ge...
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Convert Data URI to File then append to FormData

...ers. Part of the task is to extract an image file from the canvas object and append it to a FormData object for upload. ...
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What is DOM Event delegation?

Can anyone please explain event delegation in JavaScript and how is it useful? 11 Answers ...