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Formatting a number with leading zeros in PHP [duplicate]

... of what wtf8_decode said; Negative numbers would not have leading zeros, and they are not positive numbers. i.e. 08 would be written as such as a date, or something which expects a positive double digit number (Bank Account sort code etc). Please correct me if I'm wrong, but as far as I know, the...
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Bootstrap NavBar with left, center or right aligned items

...te a navigation bar that has Logo A on the left, menu items in the center, and Logo B on the right? 10 Answers ...
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How do I get the number of elements in a list?

...n can be used with several different types in Python - both built-in types and library types. For example: >>> len([1,2,3]) 3 Official 2.x documentation is here: len() Official 3.x documentation is here: len() sh...
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Converting between strings and ArrayBuffers

... technique for efficiently converting JavaScript strings to ArrayBuffers and vice-versa? Specifically, I'd like to be able to write the contents of an ArrayBuffer to localStorage and to read it back. ...
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How do I generate a constructor from class fields using Visual Studio (and/or ReSharper)?

I've gotten accustomed to many of the Java IDEs ( Eclipse , NetBeans , and IntelliJ IDEA ) providing you with a command to generate a default constructor for a class based on the fields in the class. ...
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What is the preferred syntax for defining enums in JavaScript?

... Since 1.8.5 it's possible to seal and freeze the object, so define the above as: const DaysEnum = Object.freeze({"monday":1, "tuesday":2, "wednesday":3, ...}) or const DaysEnum = {"monday":1, "tuesday":2, "wednesday":3, ...} Object.freeze(DaysEnum) and voil...
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Convert camelCaseText to Sentence Case Text

...d have an option, such as consecutiveCapsMode, with different modes: lower and split, for instance. Then do camelToSentence('theUSA', { consecutiveCapsMode: 'lower' }) should return theUsa, etc. – Nick Bull Aug 12 at 17:19 ...
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How to destroy an object?

...ly destroy an object. It will stay there, however if you unset the object and your script pushes PHP to the memory limits the objects not needed will be garbage collected. I would go with unset() (as opposed to setting it to null) as it seems to have better performance (not tested but documented on...
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Most efficient way to concatenate strings?

...ike: x = f1(...) + f2(...) + f3(...) + f4(...) that's one concat and it's zippy, StringBuilder probably won't help. If your pattern looks like: if (...) x += f1(...) if (...) x += f2(...) if (...) x += f3(...) if (...) x += f4(...) then you probably want StringBuil...
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Detect enter press in JTextField

...r while typing in a JTextField in java? Without having to create a button and set it as the default. 10 Answers ...