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Why does Double.NaN==Double.NaN return false?
...ality predicates are non-signaling so x = x returning false can be used to test if x is a quiet NaN.
Java treats all NaN as quiet NaN.
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Run task only if host does not belong to a group
...is a magic variable as documented here: https://docs.ansible.com/ansible/latest/user_guide/playbooks_variables.html#accessing-information-about-other-hosts-with-magic-variables :
group_names is a list (array) of all the groups the current host is in.
...
Floating point vs integer calculations on modern hardware
... * (double)tv.tv_usec);
# endif
}
template< typename Type >
void my_test(const char* name) {
Type v = 0;
// Do not use constants or repeating values
// to avoid loop unroll optimizations.
// All values >0 to avoid division by 0
// Perform ten ops/iteration to reduce
// impac...
How can I reverse a list in Python?
...
When I tested this slicing was about twice as fast (when reversing a 10k elements list and creating a list from it). I did not test memory consumption though. reverse might be faster though, if you don't need to cast to list afterwa...
How can I check if a string is null or empty in PowerShell?
..., that what I'm saying and the example above shows it in action. What the test won't check for is IsNullOrWhitespace().
– Keith Hill
Dec 7 '12 at 16:06
3
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PHPUnit: assert two arrays are equal, but order of elements not important
...th a new assertion method. But here's an idea for a simpler way for now. Untested code, please verify:
Somewhere in your app:
/**
* Determine if two associative arrays are similar
*
* Both arrays must have the same indexes with identical values
* without respect to key ordering
*
* @param...
How to redirect all HTTP requests to HTTPS
... link and deploys it to production that IS bad. It SHOULD be caught during testing, even with the redirection in place. I don't like the "could" argument because this "could" happen without the redirection in place. The symptoms are the same when testing in a secure browser, except after confirming...
Change Circle color of radio button
...droid.support.v7.widget.AppCompatRadioButton
android:id="@+id/rbtn_test"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
app:buttonTint="@color/primary" />
2. Then add this line into parent layout or Alt + Enter in Android Studio to auto-...
How to solve the error LNK2019: unresolved external symbol - function?
...
One option would be to include function.cpp in your UnitTest1 project, but that may not be the most ideal solution structure. The short answer to your problem is that when building your UnitTest1 project, the compiler and linker have no idea that function.cpp exists, and also hav...
How to keep keys/values in same order as declared?
...he dictionary to retrieve my values in the order I needed them.
example:
test_dict = dict( val1 = "hi", val2 = "bye", val3 = "huh?", val4 = "what....")
test_tuple = ( 'val1', 'val2', 'val3', 'val4')
for key in test_tuple: print(test_dict[key])
It's a tad cumbersome, but I'm pressed for time and ...