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How can you use an object's property in a double-quoted string?

... When you enclose a variable name in a double-quoted string it will be replaced by that variable's value: $foo = 2 "$foo" becomes "2" If you don't want that you have to use single quotes: $foo = 2 '$foo' However, if you want to access properties, or use indexes on vari...
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Sending files using POST with HttpURLConnection

...e know. Input data: Bitmap bitmap = myView.getBitmap(); Static stuff: String attachmentName = "bitmap"; String attachmentFileName = "bitmap.bmp"; String crlf = "\r\n"; String twoHyphens = "--"; String boundary = "*****"; Setup the request: HttpURLConnection httpUrlConnection = null; URL url...
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Validate that a string is a positive integer

I would like the simplest fail-safe test to check that a string in JavaScript is a positive integer. 13 Answers ...
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Java String to SHA1

I'm trying to make a simple String to SHA1 converter in Java and this is what I've got... 12 Answers ...
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Does Python have a string 'contains' substring method?

I'm looking for a string.contains or string.indexof method in Python. 10 Answers 1...
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Trim spaces from start and end of string

...am trying to find a way to trim spaces from the start and end of the title string. I was using this, but it doesn't seem to be working: ...
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How do I truncate a .NET string?

I would like to truncate a string such that its length is not longer than a given value. I am writing to a database table and want to ensure that the values I write meet the constraint of the column's datatype. ...
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Swift - How to convert String to Double

... a BMI program in swift language. And I got this problem: how to convert a String to a Double? 29 Answers ...
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How to convert std::string to NSString?

Hi I am trying to convert a standard std::string into an NSString but I'm not having much luck. 6 Answers ...
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Java - Including variables within strings?

Ok, so we all should know that you can include variables into strings by doing: 4 Answers ...