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Java generics type erasure: when and what happens?
I read about Java's type erasure on Oracle's website .
7 Answers
7
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Cleanest way to toggle a boolean variable in Java?
...eanest because they show the intent in the method signature, are easier to read compared to the ! operator, and can be easily debugged.
Usage
boolean bTrue = true
boolean bFalse = false
boolean bNull = null
toggle(bTrue) // == false
toggle(bFalse) // == true
toggle(bNull) // == true
Of course, ...
Count the number occurrences of a character in a string
...er in a string. But if you need to count more characters you would have to read the whole string as many times as characters you want to count.
A better approach for this job would be:
from collections import defaultdict
text = 'Mary had a little lamb'
chars = defaultdict(int)
for char in text:
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Can you have if-then-else logic in SQL? [duplicate]
...mmer and not very into dbs, I think this solution looks the most simple to read and understand :) However, I get multiple result sets since it does more than 1 select. Is there any way to only return 1 resut set? Also, does anyone back up @mson on this being a bad idea?
– Cotte...
What is a 'Closure'?
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I've been reading my textbook on this topic for two days and couldn't really grasp what was going on. Reading your answer took 4 minutes and it makes perfect sense.
– Andrew
Jun 10 '18 at 1:57
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How to check if a variable is not null?
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Have a read at this post: http://enterprisejquery.com/2010/10/how-good-c-habits-can-encourage-bad-javascript-habits-part-2/
It has some nice tips for JavaScript in general but one thing it does mention is that you should check for ...
Difference between global and device functions
... host(CPU) function to call a device(GPU) function, then 'global' is used. Read this: "https://code.google.com/p/stanford-cs193g-sp2010/wiki/TutorialGlobalFunctions"
And when we want a device(GPU) function (rather kernel) to call another kernel function we use 'device'. Read this "https://code.goog...
What is the difference between printf() and puts() in C?
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How did you read the assembly code after compiling the C code?
– Koray Tugay
Mar 16 '15 at 18:15
3
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Print newline in PHP in single quotes
... you can not express a new-line character in single quotes. And that's it. Reading the manual could have helped :)
– hakre
May 21 '13 at 9:35
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Strange out of memory issue while loading an image to a Bitmap object
...g.OutOfMemoryError: bitmap size exceeds VM budget when loading Bitmaps.
Read Bitmap Dimensions and Type
The BitmapFactory class provides several decoding methods (decodeByteArray(), decodeFile(), decodeResource(), etc.) for creating a Bitmap from various sources. Choose the most appropriate deco...