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convert UIImage to NSData
...mage inside a UIImageView , e.g. "myImageView", you can do the following:
Convert your image using UIImageJPEGRepresentation() or UIImagePNGRepresentation() like this:
NSData *data = UIImagePNGRepresentation(myImageView.image);
//or
NSData *data = UIImageJPEGRepresentation(myImageView.image, 0.8);...
How to convert the background to transparent? [closed]
... image processing/editing tools. I am doing a project which requires me to convert the images(small icon) with background colour(red/blue/white) to transparent for the website.
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How can I group by date time column without taking time into consideration
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Cast/Convert the values to a Date type for your group by.
GROUP BY CAST(myDateTime AS DATE)
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How to convert a Django QuerySet to a list
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You can directly convert using the list keyword.
For example:
obj=emp.objects.all()
list1=list(obj)
Using the above code you can directly convert a query set result into a list.
Here list is keyword and obj is result of query set and ...
Sql query to insert datetime in SQL Server
...f you are married to the dd-mm-yy hh:mm:ss xm format, you will need to use CONVERT with the specific style.
insert into table1 (approvaldate)
values (convert(datetime,'18-06-12 10:34:09 PM',5));
5 here is the style for Italian dates. Well, not just Italians, but that's the culture it's attr...
How to convert Strings to and from UTF8 byte arrays in Java
...). Alternately, I have a byte array (in some known encoding) and I want to convert it into a Java String. How do I do these conversions?
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Unauthorised webapi call returning login page rather than 401
... I prefer this approach too. The only addition I made was to convert LocalPath .ToLower() in case they request "/API" or something.
– FirstDivision
Mar 4 '16 at 16:29
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LINQ: Select an object and change some properties without creating a new object
... I am getting "A lambda expression with a statement body cannot be converted to an expression tree" error. Its not for LINQ to SQL, any advice?
– surya
Feb 15 '12 at 16:22
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How to implement custom JsonConverter in JSON.NET to deserialize a List of base class objects?
... given here
http://james.newtonking.com/projects/json/help/CustomCreationConverter.html
9 Answers
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App Inventor 2 数学代码块 · App Inventor 2 中文网
...(acos)
反正切 (atan)
反正切2 (atan2)
将弧度转换为度数 (convert radians to degrees)
将度数转换为弧度 (convert degrees to radians)
数字转变为小数形式 (format as a decimal)
是否为数字 (is a number)
进制转换 (convert number)
按位与 (bitwise and)...