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Will using 'var' affect performance?
... that were expecting a variable of type int because it can't automatically convert the float, but that's exactly the same thing that would happen if you explicitly used int and then changed to float. In any case, your answer still does not answer the question of "does using var affect performance?" ...
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
...
How do you return a JSON object from a Java Servlet
...
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...
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...
How do I get a consistent byte representation of strings in C# without manually specifying an encodi
How do I convert a string to a byte[] in .NET (C#) without manually specifying a specific encoding?
40 Answers
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Why does string::compare return an int?
... Similarly, if I write a < 0, the comparison is done
on the value of a, converted to an int. In practice, there
are very few cases where this makes a difference, at least on
2's complements machines where integer arithmetic wraps (i.e.
all but a very few exotics, today—I think the Unisys
mainf...
Parse string to DateTime in C#
... Console.WriteLine("Successful!");
// ... dt.Value now contains the converted DateTime ...
}
else
{
Console.WriteLine("Invalid date format!");
}
As you can see, this example just queries dt.HasValue to see if the conversion was successful or not. As an extra bonus, TryParseExact allows ...
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).
...
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...