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What are bitwise shift (bit-shift) operators and how do they work?
...rs can be applied to integer values (int, long, possibly short and byte or char). In some languages, applying the shift operators to any datatype smaller than int automatically resizes the operand to be an int.
Note that <<< is not an operator, because it would be redundant.
Also note that...
How to find event listeners on a DOM node when debugging or from the JavaScript code?
I have a page where some event listeners are attached to input boxes and select boxes. Is there a way to find out which event listeners are observing a particular DOM node and for what event?
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VIM Replace word with contents of paste buffer?
...ister you want (probably ") to put in the contents of that register.
"* - selection register (middle-button paste)
"+ - clipboard register (probably also accessible with ctrl-shift-v via the terminal)
"" - vim's default (unnamed) yank/put/change/delete/substitute register.
Short answer: "_cw^R"
Ed...
How to convert AAR to JAR
...ted folder content.
After import right click on the newly created project, select Properties -> Android, and check Is Library.
In your main project that you want to use the library for, also go to Properties -> Android and add the newly added myProjectLib to the list of dependencies.
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Interface Builder: What are the UIView's Layout iOS 6/7 Deltas for?
...ew to see how this will render in iOS 7 and iOS 6 device.
Quick steps:
Select each immediate children of root view individually and add 20px to its 'Y' value.
Then, select all immediate children collectively and give delta Y as -20px. You can also do this in batch or individually.
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Detailed 500 error message, ASP + IIS 7.5
...rs to browser", and click "Apply".
Under "Error Pages" on the home screen select "500", then "Edit feature settings" and select "Detailed Errors".
Note that the same steps apply for IIS 8.0 (Windows Server 2012).
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What is the best way to iterate over a dictionary?
...e wrong collection type in the first place), you should iterate dictionary.Select( (kvp, idx) => new {Index = idx, kvp.Key, kvp.Value}) instead and not use .ElementAt inside the loop.
– spender
Mar 2 '15 at 2:17
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Chaining multiple filter() in Django, is this a bug?
...estricted the set of blogs further to those that are also (B). The entries select by the second filter may or may not be the same as the entries in the first filter.`
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How to implement custom JsonConverter in JSON.NET to deserialize a List of base class objects?
...o match a divierd class based on the class given to the serilaizer
/// Selected class will be the first class to match all properties in the json object.
/// </summary>
public class KnownTypeConverter : JsonConverter
{
public override bool CanConvert(Type objectType)
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How do RVM and rbenv actually work?
... practical difference between RVM and rbenv is when the version of Ruby is selected.
rbenv:
rbenv adds a shim to the start of your path, a command with the same name as Ruby. When you type ruby at a command line the shim is run instead (because it is also called "ruby" and comes first in the path)...