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How to create PDFs in an Android app? [closed]
... can then open this dummy activity, take a screenshot programmatically and convert that image to pdf using this library. Of course there are limitations such as not being able to scroll, not more than one page,but for a limited application this is quick and easy. Hope this helps someone!
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How do you return a JSON object from a Java Servlet
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First convert the JSON object to String. Then just write it out to the response writer along with content type of application/json and character encoding of UTF-8.
Here's an example assuming you're using Google Gson to convert a Ja...
Does Java casting introduce overhead? Why?
...ception.
Taken from JavaWorld: The cost of casting
Casting is used to convert between
types -- between reference types in
particular, for the type of casting
operation in which we're interested
here.
Upcast operations (also called
widening conversions in the Java
Language Spec...
An item with the same key has already been added
...e
foreach (var item in myObject)
{
myDictionary.Add(Convert.ToString(item.x),
item.y);
}
item.x had a duplicate value
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i...
String's Maximum length in Java - calling length() method
...pecification says that integers whose size is smaller than that of int are converted to int before calculation (if my memory serves me correctly) and it is one reason to choose int when there is no special reason.
The maximum length at compilation time is at most 65536. Note again that the length i...
get list from pandas dataframe column
...out the Dataframe method, Ive never seen that before... seems like you are converting a dinctionary to a df? df = DataFrame(d)?
– yoshiserry
Mar 12 '14 at 4:14
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Why does the Scala compiler disallow overloaded methods with default arguments?
...lly I added an implicit conversion to the class in one case which did just convert the alternative type to the type accepted. It just feels ugly. And the approach with the default args should just work!
– soc
Jan 10 '11 at 22:52
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Java Round up Any Number
...way to do this is just:
You will receive a float or double and want it to convert it to the closest round up then just do System.out.println((int)Math.ceil(yourfloat));
it'll work perfectly
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Upload files with HTTPWebrequest (multipart/form-data)
...tring url, string filename, Stream fileStream, byte [] fileBytes)
{
// Convert each of the three inputs into HttpContent objects
HttpContent stringContent = new StringContent(filename);
// examples of converting both Stream and byte [] to HttpContent objects
// representing input ty...
Is It Possible to NSLog C Structs (Like CGRect or CGPoint)?
...GPoint(cgPoint));
There are a number of functions provided by UIKit that convert the various CG structs into NSStrings. The reason it doesn't work is because %@ signifies an object. A CGPoint is a C struct (and so are CGRects and CGSizes).
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