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Different floating point result with optimization enabled - compiler bug?
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Intel x86 processors use 80-bit extended precision internally, whereas double is normally 64-bit wide. Different optimization levels affect how often floating point values from CPU get saved into memory and thus rounded from 80-bit precision to 64-bit precision.
Use the -ffloat-st...
iOS Equivalent For Android Shared Preferences
...alue, forKey: key)
}
}
Example
//set
Configuration.value(value: "my_value", forKey: "key_1")
//get
let myValue = Configuration.value(defaultValue: "default_value", forKey: "key_1")
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How to change the pop-up position of the jQuery DatePicker control
...e bottom of the page and the DatePicker shifts up to account for it and totally covers the text box. If the user wants to type the date instead of pick it, they can't. I'd rather have it appear just after the text box so it doesn't matter how it adjusts vertically.
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Two-dimensional array in Swift
... @vacawama, cool, except your n-dimensional array has the same problem as all the solutions that populate the array using Array(repeating:count:). See the comment I posted to your other answer.
– Duncan C
Sep 11 '18 at 0:39
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What is “Orthogonality”?
...gn, operations do not have side effects; each action (whether it's an API call, a macro invocation, or a language operation) changes just one thing without affecting others. There is one and only one way to change each property of whatever system you are controlling.
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Numpy index slice without losing dimension information
...y an array that might be length 1 at runtime. For that case, there's np.ix_:
some_array[np.ix_(row_index,column_index)]
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scala vs java, performance and memory? [closed]
...y easy to use enormous amounts of memory without realizing it. This is usually very powerful, but occasionally can be annoying. For example, suppose you have an array of strings (called array), and a map from those strings to files (called mapping). Suppose you want to get all files that are in t...
Sort array of objects by single key with date value
...cts with several key value pairs, and I need to sort them based on 'updated_at':
19 Answers
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JSON to pandas DataFrame
...t[u'location']
Rebuild json string :
elevations = json.dumps(data)
Finally :
pd.read_json(elevations)
You can, also, probably avoid to dump data back to a string, I assume Panda can directly create a DataFrame from a dictionnary (I haven't used it since a long time :p)
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Sort a single String in Java
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toCharArray followed by Arrays.sort followed by a String constructor call:
import java.util.Arrays;
public class Test
{
public static void main(String[] args)
{
String original = "edcba";
char[] chars = original.toCharArray();
Arrays.sort(chars);
String...