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How can I convert an image to grayscale via the command line? [closed]
How can I use sips , imagemagic , or another tool to convert an image to black and white (grayscale) via the command line?
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Convert RGBA PNG to RGB with PIL
I'm using PIL to convert a transparent PNG image uploaded with Django to a JPG file. The output looks broken.
7 Answers
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Converting an integer to a string in PHP
Is there a way to convert an integer to a string in PHP?
14 Answers
14
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Windows service on Local Computer started and then stopped error
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I have found it very handy to convert your existing windows service to a console by simply changing your program with the following. With this change you can run the program by debugging in visual studio or running the executable normally. But it will als...
Convert xlsx to csv in Linux with command line
I'm looking for a way to convert xlsx files to csv files on Linux.
10 Answers
10
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How do I encode and decode a base64 string?
...TextBytes = System.Text.Encoding.UTF8.GetBytes(plainText);
return System.Convert.ToBase64String(plainTextBytes);
}
Decode
public static string Base64Decode(string base64EncodedData) {
var base64EncodedBytes = System.Convert.FromBase64String(base64EncodedData);
return System.Text.Encoding.UT...
Return type of '?:' (ternary conditional operator)
...riate whether or not the condition is true. If one of the operands must be converted to a different type to match the other then the conditional expression cannot be an lvalue as the result of this conversion would not be an lvalue.
ISO/IEC 14882:2011 references:
3.10 [basic.lval] Lvalues and rvalu...
Converting Integer to Long
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No, you can't cast Integer to Long, even though you can convert from int to long. For an individual value which is known to be a number and you want to get the long value, you could use:
Number tmp = getValueByReflection(inv.var1(), classUnderTest, runtimeInstance);
Long value1 =...
Converting a double to an int in C#
In our code we have a double that we need to convert to an int.
5 Answers
5
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Converting Symbols, Accent Letters to English Alphabet
...ow, there are thousands of characters in the Unicode chart and I want to convert all the similar characters to the letters which are in English alphabet.
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