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Remove multiple whitespaces

...,$row['message']); You are using \s\s+ which means whitespace(space, tab or newline) followed by one or more whitespace. Which effectively means replace two or more whitespace with a single space. What you want is replace one or more whitespace with single whitespace, so you can use the pattern ...
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Using bitwise OR 0 to floor a number

A colleague of mine stumbled upon a method to floor float numbers using a bitwise or: 6 Answers ...
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Difference between Arrays.asList(array) and new ArrayList(Arrays.asList(array))

...and creates a wrapper that implements List<Integer>, which makes the original array available as a list. Nothing is copied and all, only a single wrapper object is created. Operations on the list wrapper are propagated to the original array. This means that if you shuffle the list wrapper, the...
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How do I rotate the Android emulator display? [duplicate]

How can I rotate the Android emulator display to see it in landscape mode? 23 Answers ...
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How to change default timezone for Active Record in Rails?

...this answer because all others seem to be incomplete. config.active_record.default_timezone determines whether to use Time.local (if set to :local) or Time.utc (if set to :utc) when pulling dates and times from the database. The default is :utc. http://guides.rubyonrails.org/configuring.html ...
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How can I add new keys to a dictionary?

... @hegash the d[key]=val syntax as it is shorter and can handle any object as key (as long it is hashable), and only sets one value, whereas the .update(key1=val1, key2=val2) is nicer if you want to set multiple values at the same time, as long as the keys are strings...
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Is AngularJS just for single-page applications (SPAs)?

...n application we are creating and are trying to evaluate a tool that will work for us and give us the best platform to move forward. ...
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Using variables inside a bash heredoc

...ecause you've put the delimiter in quotes - the bash manual says: The format of here-documents is: <<[-]word here-document delimiter No parameter expansion, command substitution, arithmetic expansion, or pathname expansion is performed on word. If any c...
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Using ThreadPool.QueueUserWorkItem in ASP.NET in a high traffic scenario

I've always been under the impression that using the ThreadPool for (let's say non-critical) short-lived background tasks was considered best practice, even in ASP.NET, but then I came across this article that seems to suggest otherwise - the argument being that you should leave the ThreadPool to ...
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What is TypeScript and why would I use it in place of JavaScript? [closed]

... I originally wrote this answer when TypeScript was still hot-off-the-presses. Five years later, this is an OK overview, but look at Lodewijk's answer below for more depth 1000ft view... TypeScript is a superset of JavaS...