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How are multi-dimensional arrays formatted in memory?
...st important step to understand they are not the same, but that arrays are converted to a pointer to the first element for most operators! sizeof(int[100]) != sizeof(int *) (unless you find a platform with 100 * sizeof(int) bytes/int, but that is a different thing.
– too honest...
Equivalent of typedef in C#
...
I couldn't convert typedef uint8 myuuid[16]; through "using" directive. using myuuid = Byte[16]; doesn't compile. using can be used just for creating type aliases. typedef seems to be much more flexible, since it can create an alias for...
Getting the max value of an enum
...n elegant solution was given. Also if you want to get the enum value use Convert.ToInt32() afterwards. This is for the google results.
– jdelator
Oct 15 '08 at 1:15
55
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Suppress Scientific Notation in Numpy When Creating Array From Nested List
....32, 4.32],
[13.76, 1227, 1737874137.5, 1446511574.32, 4.32]]
#convert python list of lists to numpy ndarray called my_array
my_array = np.array(my_list)
#This is a little recursive helper function converts all nested
#ndarrays to python list of lists so that pretty printer knows what ...
How do I print a double value without scientific notation using Java?
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Java prevent E notation in a double:
Five different ways to convert a double to a normal number:
import java.math.BigDecimal;
import java.text.DecimalFormat;
public class Runner {
public static void main(String[] args) {
double myvalue = 0.00000021d;
//Option 1 ...
How to get current time in milliseconds in PHP?
...a string here to prevent loss of precision
// in case of "overflow" (PHP converts it to a double)
return sprintf('%d%03d', $comps[1], $comps[0] * 1000);
}
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Reading from text file until EOF repeats last line [duplicate]
...>> x returns the stream itself, not x. The stream is then implicitly converted to bool, which tests for EOF.
– wchargin
May 2 '15 at 3:22
add a comment
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(Built-in) way in JavaScript to check if a string is a valid number
...ic example you gave:
function isNumeric(num){
return !isNaN(num)
}
To convert a string containing a number into a number:
Only works if the string only contains numeric characters, else it returns NaN.
+num // returns the numeric value of the string, or NaN
/...
总结const_cast、static_cast、dynamic_cast、reinterpret_cast - C/C++ - ...
...t z;
};情况1：两个无关的类之间的转换
// Convert between CBaseX* and CBaseY*
// CBaseX* 和 CBaseY*之间的转换
CBaseX* pX = new CBaseX();
// Error, types pointed to are unrelated
// 错误， 类型指向是无关的
// CBaseY*...
How to parse JSON to receive a Date object in JavaScript?
.../deserialize routine can revive the type appropriately and even use custom converters if you want to pack all the information into a single property value like "ticks" or "ms_since_epoch".
– Triynko
Dec 2 '13 at 21:10
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