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R - Concatenate two dataframes?
... Nice. I just wanted to post the same answer :-) . One improvement: @Anton casted the NA to double in his answer. It would be nice when the type of the new column was the same type as the existing column in the other data frame. Maybe via mode(d2[d2.add[i]]) <- mode(d1[d2.add[i]]). But I am not s...
C# - Multiple generic types in one list
...above examples. Accessing those through object would require a cumbersome cast.
– Buzz
Mar 30 '16 at 16:10
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How to convert a string to integer in C?
... @chux thanks! Can you explain a bit more why the (unsigned char) cast could make a difference?
– Ciro Santilli 郝海东冠状病六四事件法轮功
May 30 '16 at 13:00
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Gets byte array from a ByteBuffer in java
...gned integers, only signed ones. If you want "unsigned bytes", you need to cast as int and use a bitmask: int unsigned_byte = b[k] & 0xff; for some value of k.
– Jason S
Apr 15 '17 at 2:13
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Preferred Java way to ping an HTTP URL for availability
...pose this is a GET request. Is there a way to send HEAD instead?
You can cast the obtained URLConnection to HttpURLConnection and then use setRequestMethod() to set the request method. However, you need to take into account that some poor webapps or homegrown servers may return HTTP 405 error for ...
Type converting slices of interfaces
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Try interface{} instead. To cast back as slice, try
func foo(bar interface{}) {
s := bar.([]string)
// ...
}
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How can I find WPF controls by name or type?
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@UrbanEsc, why do you cast child a second time? If you have childType of type T, you can write inside the if: yield return childType... no?
– Massimiliano Kraus
Oct 26 '16 at 15:19
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What does “var FOO = FOO || {}” (assign a variable or an empty object to that variable) mean in Java
... || in JS (and Perl) and the version in C, C++ and Java is that JS doesn't cast the result to a boolean. It's still a logical operator.
– Alnitak
Jun 22 '11 at 13:36
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How can I get a precise time, for example in milliseconds in Objective-C?
...o 32-bit integer fields. You can use UnsignedWideToUInt64() instead of the cast if you prefer.
– Ken Thomases
Aug 24 '13 at 0:14
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Reading GHC Core
...eful. You can also use -dsuppress-coercions if you only want to get rid of casts (useful when there are lots of newtypes around).
– tibbe
May 26 '11 at 18:39
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