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Remove multiple whitespaces

I'm getting $row['message'] from a MySQL database and I need to remove all whitespace like \n \t and so on. 15 Answer...
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How do I interpret precision and scale of a number in a database?

...rget that if you're using a system that allows you to pre-define precision and scale of an input for a percentage in something like Microsoft Access, you must consider the percent as it's whole number form. In this case, 25.5% would require precision 4 and scale of 3 (not one) since we have to cons...
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Firing events on CSS class changes in jQuery

...that way, when the event is triggered, those events can all happen at once and run their respective functionality. for instance, if i have one object that changes from red to blue and three objects waiting for it to change, when it changes, i can just trigger the changeColor event, and all those obj...
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Java: notify() vs. notifyAll() all over again

If one Googles for "difference between notify() and notifyAll() " then a lot of explanations will pop up (leaving apart the javadoc paragraphs). It all boils down to the number of waiting threads being waken up: one in notify() and all in notifyAll() . ...
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Why doesn't this code simply print letters A to Z?

... convention when dealing with arithmetic operations on character variables and not C's. For example, in Perl 'Z'+1 turns into 'AA', while in C 'Z'+1 turns into '[' ( ord('Z') == 90, ord('[') == 91 ). Note that character variables can be incremented but not decremented and even so only plain ASCII ch...
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Undefined reference to static class member

...ion creates a scoped integer constant which you can't take the address of, and vector takes a reference param. – Evan Teran Nov 7 '08 at 18:08 10 ...
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What are the best practices for structuring a large Meteor app with many HTML template files? [close

...r > directory for three top-level elements: <head>, <body>, and > <template>. The head and body sections are seperately concatenated > into a single head and body, which are transmitted to the client on > initial page load. > > Template sections, on the other han...
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Java: random long number in 0

Random class has a method to generate random int in a given range. For example: 16 Answers ...
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What does 'const static' mean in C and C++?

I saw this in some code here on StackOverflow and I couldn't figure out what it does. Then I saw some confused answers on other forums. My best guess is that it's used in C to hide the constant foo from other modules. Is this correct? If so, why would anyone use it in a C++ context where you can j...
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How do I view the SQL generated by the Entity Framework?

...nternalQuery as (System.Data.Entity.Internal.Linq.InternalQuery<T>), and only then, use ToTraceString() – itsho Jul 8 '14 at 11:20 9 ...