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Mongoose subdocuments vs nested schema

... According to the docs, it's exactly the same. However, using a Schema would add an _id field as well (as long as you don't have that disabled), and presumably uses some more resources for tracking subdocs. Alternate declaration syntax New in v3 I...
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Gson: How to exclude specific fields from Serialization without annotations

I'm trying to learn Gson and I'm struggling with field exclusion. Here are my classes 15 Answers ...
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PHP PDO: charset, set names?

... You'll have it in your connection string like: "mysql:host=$host;dbname=$db;charset=utf8" HOWEVER, prior to PHP 5.3.6, the charset option was ignored. If you're running an older version of PHP, you must do it like this: $dbh = new PD...
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Get size of folder or file

...ectory.listFiles() may return null and cause a NullPointerException. Also, it doesn't consider symlinks and possibly has other failure modes. Use this method. share | improve this answer | ...
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What is a ViewModelLocator and what are its pros/cons compared to DataTemplates?

Can someone give me a quick summary of what a ViewModelLocator is, how it works, and what the pros/cons are for using it compared to DataTemplates? ...
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How to append something to an array?

...ay.prototype.push method to append values to the end of an array: // initialize array var arr = [ "Hi", "Hello", "Bonjour" ]; // append new value to the array arr.push("Hola"); console.log(arr); You can use the push() function to append more than one value to an array in a single ...
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How do you give iframe 100% height [duplicate]

... You can do it with CSS: <iframe style="position: absolute; height: 100%; border: none"></iframe> Be aware that this will by default place it in the upper-left corner of the page, but I guess that is what you want to achie...
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Android List View Drag and Drop sort

...e seen this implemented in other apps, but I have not found a tutorial for it. It must be something that others need as well. Can anyone point me to some code for doing this? ...
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How do lexical closures work?

While I was investigating a problem I had with lexical closures in Javascript code, I came along this problem in Python: 9 ...
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Semantic Diff Utilities [closed]

I'm trying to find some good examples of semantic diff/merge utilities. The traditional paradigm of comparing source code files works by comparing lines and characters.. but are there any utilities out there (for any language) that actually consider the structure of code when comparing files? ...