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Best way to represent a fraction in Java?
... a BigFraction from a floating-point number.
*
* Warning: round-off error in IEEE floating point numbers can result
* in answers that are unexpected. For example,
* System.out.println(new BigFraction(1.1))
* will print:
* 2476979795053773/2251799813685248
*
* This...
In practice, what are the main uses for the new “yield from” syntax in Python 3.3?
...
605
Let's get one thing out of the way first. The explanation that yield from g is equivalent to fo...
What is the difference between float and double?
...og(10) = 7.22 digits
This precision loss could lead to greater truncation errors being accumulated when repeated calculations are done, e.g.
float a = 1.f / 81;
float b = 0;
for (int i = 0; i < 729; ++ i)
b += a;
printf("%.7g\n", b); // prints 9.000023
while
double a = 1.0 / 81;
double b = ...
Importing CommonCrypto in a Swift framework
...
Works for me without step (5). With it I get a build error: ld: cannot link directly with /Applications/Xcode.app/Contents/Developer/Platforms/iPhoneSimulator.platform/Developer/SDKs/iPhoneSimulator8.2.sdk/usr/lib/system/libcommonCrypto.dylib. Link against the umbrella framewo...
Need to log asp.net webapi 2 request and response body to a database
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This is a very cool solution, however it will throw an error when the response contains no body. But thats easy enough to check and fix :)
– buddybubble
Dec 17 '15 at 11:00
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Delete a key from a MongoDB document using Mongoose
...g any of the above functions did me the requirement. The function compiles error free but the field would still remain.
user.set('key_to_delete', undefined, {strict: false} );
did the trick for me.
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Numpy - add row to array
... double bracket to the second argument, otherwise, it will raise dimension error.
In here I am adding on matrix A
1 2 3
4 5 6
with a row
7 8 9
same usage in np.r_
A= [[1, 2, 3], [4, 5, 6]]
np.append(A, [[7, 8, 9]], axis=0)
>> array([[1, 2, 3],
[4, 5, 6],
...
Is it possible to delete an object's property in PHP?
... object.
unset($object[$key])
Update
Newer versions of PHP throw fatal error Fatal error: Cannot use object of type Object as array as mentioned by @CXJ . In that case you can use brackets instead
unset($object{$key})
...
What Automatic Resource Management alternatives exist for Scala?
... type-safe alternative: a resource outside withResource block will be type error.
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unit testing of private functions with mocha and node.js
...alues does not appear to be compatible with ES6 modules. I'm getting SyntaxError: 'import' and 'export' may only appear at the top level
– aij
Feb 29 '16 at 16:46
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