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How to solve PHP error 'Notice: Array to string conversion in…'

...n that expects a string like: echo or print, then the PHP interpreter will convert your array to the literal string Array, throw this Notice and keep going. For example: php> print(array(1,2,3)) PHP Notice: Array to string conversion in /usr/local/lib/python2.7/dist-packages/phpsh/phpsh.php(...
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How do I concatenate multiple C++ strings on one line?

..."; Those character array literals are not C++ std::strings - you need to convert them: s += string("Hello world, ") + string("nice to see you, ") + string("or not."); To convert ints (or any other streamable type) you can use a boost lexical_cast or provide your own function: template <type...
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What exactly is Type Coercion in Javascript?

... when the operands of an operator are different types, one of them will be converted to an "equivalent" value of the other operand's type. For instance, if you do: boolean == integer the boolean operand will be converted to an integer: false becomes 0, true becomes 1. Then the two values are comp...
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Optimal way to concatenate/aggregate strings

...r < 1000 BEGIN insert into @YourTable VALUES (ROUND(@counter/10,0), CONVERT(NVARCHAR(50), @counter) + 'CC') SET @counter = @counter + 1; END SET @startTime = GETDATE() ;WITH Partitioned AS ( SELECT ID, Name, ROW_NUMBER() OVER (PARTITION BY ID ORDER BY Name) ...
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printf() formatting for hex

... ¶6 The flag characters and their meanings are: ... # The result is converted to an "alternative form". ... For x (or X) conversion, a nonzero result has 0x (or 0X) prefixed to it. ... (Emphasis added.) Note that using %#X will use upper-case letters for the hex digits and 0X as the pr...
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android get all contacts

... Get contacts info , photo contacts , photo uri and convert to Class model 1). Sample for Class model : public class ContactModel { public String id; public String name; public String mobileNumber; public Bitmap photo; public Uri ...
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Why is unsigned integer overflow defined behavior but signed integer overflow isn't?

...types a special case. Also note that there is an exception if any type is converted to a signed type and the old value can no longer be represented. The behavior is then merely implementation-defined, although a signal may be raised. C11 6.3.1.3 6.3.1.3 Signed and unsigned integers Whe...
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Calculating Pearson correlation and significance in Python

...n is defined on a 2xN matrix. There is no generally applicable method that converts two dictionaries into a 2xN matrix, but you might use the array of pairs of dictionary values corresponding to the keys of the intersection of the keys of your dictionaries. – winerd ...
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Populating a ListView using an ArrayList?

.../let me assume that you are putting the values in this arraylist //Now convert your arraylist to array //You will get an exmaple here //http://www.java-tips.org/java-se-tips/java.lang/how-to-convert-an-arraylist-into-an-array.html private String arr[]=convert(arrlist); @Overr...
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When would I need a SecureString in .NET?

...g a Chicken-and-Egg problem, so even though most current scenarios require converting them back into regular strings to make any use of them at all, their existence in the framework now means better support for them in the future - at least to a point where your program doesn't have to be the weak l...