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What are -moz- and -webkit-? [duplicate]

...vendor-prefixed properties offered by the relevant rendering engines (-webkit for Chrome, Safari; -moz for Firefox, -o for Opera, -ms for Internet Explorer). Typically they're used to implement new, or proprietary CSS features, prior to final clarification/definition by the W3. This allows properti...
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DynamoDB vs MongoDB NoSQL [closed]

I'm trying to figure it out what can I use for a future project, we plan to store from about 500k records per month in the first year and maybe more for the next years this is a vertical application so there's no need to use a database for this, that's the reason why I decided to choose a noSQL data...
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Why are flag enums usually defined with hexadecimal values

...advantage I see is that hexadecimal reminds you: "Okay, we're not dealing with numbers in the arbitrary human-invented world of base ten anymore. We're dealing with bits - the machine's world - and we're gonna play by its rules." Hexadecimal is rarely used unless you're dealing with relatively low...
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What is better, adjacency lists or adjacency matrices for graph problems in C++?

... It depends on the problem. Adjacency Matrix Uses O(n^2) memory It is fast to lookup and check for presence or absence of a specific edge between any two nodes O(1) It is slow to iterate over all edges It is slow to add/...
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Preventing referenced assembly PDB and XML files copied to output

I have a Visual Studio 2008 C#/.NET 3.5 project with a post build task to ZIP the contents. However I'm finding that I'm also getting the referenced assemblies' .pdb (debug) and .xml (documentation) files in my output directory (and ZIP). ...
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How to find the last field using 'cut'

Without using sed or awk , only cut , how do I get the last field when the number of fields are unknown or change with every line? ...
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On design patterns: When should I use the singleton?

...rsome. Logging is a specific example of an "acceptable" Singleton because it doesn't affect the execution of your code. Disable logging, code execution remains the same. Enable it, same same. Misko puts it in the following way in Root Cause of Singletons, "The information here flows one way: From y...
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CSS scrollbar style cross browser [duplicate]

How can I define a CSS scrollbar style cross browser? I tested this code, it only works in IE and opera, but failed in Chrome, Safari and Firefox. ...
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getExtractedText on inactive InputConnection warning on android

...(20010): Skipped 30 frames! The application may be doing too much work on its main thread. My situation: I have an EditText view the user types into. The EditText gets cleared when user presses a button. Lots of inactive InputConnection entries stream out when I rapidly press the button. Ex: e...
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Using only CSS, show div on hover over

...follow | edited Dec 18 '14 at 22:55 nathanjosiah 4,15422 gold badges3232 silver badges4646 bronze badges ...