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jQuery: Select data attributes that aren't empty?
...(apr'17) (mar'18) (mar'19) (may'20)...
Answer that works with:
Empty strings:
If the attr must exist & could have any value (or none at all)
jQuery("[href]");
Missing attributes:
If attr could exist & if exist, must have some value
jQuery("[href!='']");
...
Rename specific column(s) in pandas
...umns' (the axis argument was introduced in v0.21.
Index.str.replace() for string/regex based replacement.
If you need to rename ALL columns at once,
DataFrame.set_axis() method with axis=1. Pass a list-like sequence. Options are available for in-place modification as well.
rename with axis=1
d...
How to check if an NSDictionary or NSMutableDictionary contains a key?
...use valueForKey for a JSON dictionary. That's because JSON can contain any string as a key. For example, if it contains "@count" as a key, then objectForKey:@"@count" will give the correct value, but valueForKey:@"@count" will give the number of key/value pairs.
– gnasher729
...
Mocking static methods with Mockito
...tatic final Slf4jMdcWrapper SINGLETON = new Slf4jMdcWrapper();
public String myApisToTheSaticMethodsInSlf4jMdcStaticUtilityClass() {
return MDC.getWhateverIWant();
}
}
Finally, your class under test can use this singleton object by, for example,
having a default constructor for r...
External resource not being loaded by AngularJs
...l fail to bind to any URL. From the angular docs
'self' - The special string, 'self', can be used to match against all
URLs of the same domain as the application document using the same
protocol.
With that in place, I'm now able to bind directly to any Youtube link.
You'll obviously have...
Why doesn't os.path.join() work in this case?
...
The latter strings shouldn't start with a slash. If they start with a slash, then they're considered an "absolute path" and everything before them is discarded.
Quoting the Python docs for os.path.join:
If a component is an absolut...
Performance of Find() vs. FirstOrDefault() [duplicate]
...r Diana within a large sequence of a simple reference type having a single string property.
2 Answers
...
Static variables in member functions
...ere will be a static int i (say foo<int>::i) and separate for foo<string> there will be a separate static int i (say foo<string>::i) and so on. i will be incremented separately for foo<int> than from the foo<string>. Hope that clears the doubt.
– i...
How do you format an unsigned long long int using printf?
...uments are passed to printf without any type information, so if the format string is incorrect, the result is unpredictable.
– dmitrii
Jan 23 '12 at 23:10
...
Setting WPF image source in code
... some method or class that the XAML parser uses to convert the simple path string to an ImageSource? Couldn't we just use that?
– Qwertie
Jun 2 '11 at 16:48
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