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Byte array to image conversion
I want to convert a byte array to an image.
13 Answers
13
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C++: How to round a double to an int? [duplicate]
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The cast is unnecessary; the result will be implicitly converted to int.
– Keith Thompson
Mar 14 '12 at 3:04
8
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SQL order string as number
...version to number
select col from yourtable
order by col + 0
BTW MySQL converts strings from left to right. Examples:
string value | integer value after conversion
--------------+--------------------------------
'1' | 1
'ABC' | 0 /* the string does not contain a number, ...
c++ boost::multi_index composite keys efficiency - c++1y / stl - 清泛IT社区,为创新赋能!
Long time reader first time poster! I'm playing around with the boost::multi_index container stuff and have a rather in-depth question that hopefully a boost or C++ container expert might know (my knowledge in C++ containers is pretty basic). For reference, the boost documentation on composite keys ...
Android: Difference between Parcelable and Serializable?
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How about converting objects to json string instead with gson?
– F.O.O
Sep 10 '16 at 8:51
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Returning an array using C
...s). In C, an expression of type "N-element array of T" will be implicitly converted ("decay") to an expression of type "pointer to T", except when the array expression is an operand of the sizeof or unary & operators, or if the array expression is a string literal being used to initialize anoth...
How to detect a Christmas Tree? [closed]
...nst the blue-green background which is prevalent in most of the photos. I convert the rgb image to hsv space, and require that the hue is either less than 0.2 on a 0.0-1.0 scale (corresponding roughly to the border between yellow and green) or greater than 0.95 (corresponding to the border between ...
Convert integer to string Jinja
...n nunjucks (which is based on jinja) on (email) HTML builds. That's how to convert numeric string values to integers. Btw, in my case I've got integers as strings coming from JSON content files: "hero_title_img_w": "111" and "hero_title_img2_w": "222". Then I'm adding them in .NJK file: {{ hero_titl...
Performant Entity Serialization: BSON vs MessagePack (vs JSON)
...ompatible with JSON. That means some type information can be lost when you convert objects from BSON to JSON, but of course only when these special types are in the BSON source. It can be a disadvantage to use both JSON and BSON in single service.
MessagePack is designed to be transparently convert...
Comparing date ranges
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I created function to deal with this problem in MySQL. Just convert the dates to seconds before use.
DELIMITER ;;
CREATE FUNCTION overlap_interval(x INT,y INT,a INT,b INT)
RETURNS INTEGER DETERMINISTIC
BEGIN
DECLARE
overlap_amount INTEGER;
IF (((x <= a) AND (a < y)) OR...