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Why do you have to link the math library in C?
...
On ancient systems, if math functions were contained in libc, then compiling all programs would be slower, the output executables would be larger, and runtime would require more memory, with no benefit to most programs which do not use ...
Associating enums with strings in C#
...lue))
throw new InvalidEnumArgumentException(
"value", Convert.ToInt32(value), type);
// Get the static field for the value.
FieldInfo fi = type.GetField(value.ToString(),
BindingFlags.Static | BindingFlags.Public);
// Get the description attribute, if ther...
How to convert std::string to NSString?
Hi I am trying to convert a standard std::string into an NSString but I'm not having much luck.
6 Answers
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How to read data when some numbers contain commas as thousand separator?
...terpret it properly, but you can use gsub to replace "," with "", and then convert the string to numeric using as.numeric:
y <- c("1,200","20,000","100","12,111")
as.numeric(gsub(",", "", y))
# [1] 1200 20000 100 12111
This was also answered previously on R-Help (and in Q2 here).
Alternative...
Correct way to convert size in bytes to KB, MB, GB in JavaScript
... it doesn't suit your purpose.
Enjoy.
// pBytes: the size in bytes to be converted.
// pUnits: 'si'|'iec' si units means the order of magnitude is 10^3, iec uses 2^10
function prettyNumber(pBytes, pUnits) {
// Handle some special cases
if(pBytes == 0) return '0 Bytes';
if(pBytes == 1)...
Hashing a string with Sha256
...What if you want to do a case insensitive comparison?” You also need to convert bytes in UTF-16 if you want to do this kind of stuff. The fact that it's fixed length does not help one bit.
– Arturo Torres Sánchez
Dec 23 '14 at 15:13
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How to loop through all the properties of a class?
...prop.GetValue(obj));
}
This also provides easy access to things like TypeConverter for formatting:
string fmt = prop.Converter.ConvertToString(prop.GetValue(obj));
share
|
improve this answe...
Convert list of dictionaries to a pandas DataFrame
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@CatsLoveJazz No, that is not possible when converting from a dict.
– joris
Jun 29 '16 at 8:16
6
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Send POST request using NSURLSession
...ts one easy solution would be to create a String instead of Dictionary and convert it to Data. You have the code samples below written on Objective-C and Swift 3.0.
Objective-C
// Create the URLSession on the default configuration
NSURLSessionConfiguration *defaultSessionConfiguration = [NSURLSess...
Unpacking, extended unpacking and nested extended unpacking
... # a = 'X', b = 'Y', c = 'Z'
Applying the above rules, we convert "XY" to ('X', 'Y'), and cover the naked commas in parens:
((a, b), c) = (('X', 'Y'), 'Z')
The visual correspondence here makes it fairly obvious how the assignment works.
Here's an erroneous example:
(a,b), c = ...