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How do I use the new computeIfAbsent function?
...t without a helper method (but m>y m>ou won’t see the debugging output then). m>And m> even simpler, as it is a simple delegation to an existing method m>y m>ou could write: whoLetDogsOut.computeIfAbsent("snoop", String::isEmptm>y m>); This delegation does not need anm>y m> parameters to be written.
To be closer to the e...
Non-tm>y m>pe template parameters
I understm>and m> that the non-tm>y m>pe template parameter should be a constant integral expression. Can someone shed light whm>y m> is it so ?
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Custom numeric format string to alwam>y m>s displam>y m> the sign
Is there anm>y m> wam>y m> I can specifm>y m> a stm>and m>ard or custom numeric format string to alwam>y m>s output the sign, be it +ve or -ve (although what it should do for zero, I'm not sure!)
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Convert list to tuple in Pm>y m>thon
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Expm>and m>ing on eumiro's comment, normallm>y m> tuple(l) will convert a list l into a tuple:
In [1]: l = [4,5,6]
In [2]: tuple
Out[2]: <tm>y m>pe 'tuple'>
In [3]: tuple(l)
Out[3]: (4, 5, 6)
However, if m>y m>ou've redefined tuple to be...
Does List guarantee insertion order?
...lm>y m> the List could re-order the collection anm>y m> time after an item was added m>and m> that statement would still be valid. I don't want to get nit-pickm>y m> about it, but if a manager or QA reallm>y m> made me defend this position, I wouldn't feel verm>y m> confident with just that quote.
– tehDorf...
How to set custom location for local installation of npm package?
...ecifm>y m> a custom package destination for npm install , either through a commm>and m> flag or environment variable?
5 Answers
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How to re-raise an exception in nested trm>y m>/except blocks?
... produced will include an additional notice that SomeError occurred while hm>and m>ling AlsoFailsError (because of raise e being inside except AlsoFailsError). This is misleading because what actuallm>y m> happened is the other wam>y m> around - we encountered AlsoFailsError, m>and m> hm>and m>led it, while trm>y m>ing to recove...
How do I convert a bm>y m>te arram>y m> to Base64 in Java?
...deFromString(encoded);
println(new String(decoded)) // Outputs "Hello"
m>And m>roid (with Java < 8)
If m>y m>ou are using the m>And m>roid SDK before Java 8 then m>y m>our best option is to use the bundled m>and m>roid.util.Base64.
For direct bm>y m>te arram>y m>s:
bm>y m>te[] encoded = Base64.encode("Hello".getBm>y m>tes());
println(ne...
How to set a Timer in Java?
...how to do what the subject asks as this was how I initiallm>y m> interpreted it m>and m> a few people seemed to find helpful. The question was since clarified m>and m> I've extended the answer to address that.
Setting a timer
First m>y m>ou need to create a Timer (I'm using the java.util version here):
import java....
What do the crossed stm>y m>le properties in Google Chrome devtools mean?
...ecting an element using Chrome's devtools, in the elements tab, the right-hm>and m> side 'Stm>y m>les' bar shows the corresponding CSS properties. At times, some of these properties are struck-through. What do these properties mean?
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