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Wrapping null-returning method in Java with Option in Scala?
...
This is a very old topic but a nice one!
It's true that converting any Non-exception result of Try to Option will result in a Some...
scala> Try(null).toOption
res10: Option[Null] = Some(null)
...because Try is not about nullability checking but just a way to functionally ha...
How to delete a specific line in a file?
... os.replace (new in python v 3.3) is more cross-platform than a system call to mv.
– 7yl4r
Nov 15 '17 at 15:30
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优惠券批量生成及导入的思路 - 闲聊区 - 清泛IT论坛，有思想、有深度
... mt_rand(0, PHP_INT_MAX);
$m = base_convert($m, 10, 36); // 主随机
$n = base_convert($n, 10, 36); // 辅随机
$r = substr($m . $n, 0, 16);
} whi...
Pandas convert dataframe to array of tuples
...I want to carry out a batch save back to the database. This requires me to convert the dataframe into an array of tuples, with each tuple corresponding to a "row" of the dataframe.
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Cast a Double Variable to Decimal
...ited to keep an exact value, so if you first add numbers together and then convert to Decimal you may get rounding errors. You may want to convert the numbers to Decimal before adding them together, or make sure that the numbers aren't floating point numbers in the first place.
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Convert Linq Query Result to Dictionary
... 'answer',
autoActivateHeartbeat: false,
convertImagesToLinks: true,
noModals: true,
showLowRepImageUploadWarning: true,
reputationToPostImages: 10,
bindNavPrevention: true,
postfix...
Is either GET or POST more secure than the other?
...g said that, GET responses can be made non-cacheable with less effort than converting the URL to a POST handler.
HTTP "Referer"
If the user were to navigate to a third party website from the page served in response to a GET request, that third party website gets to see all the GET request parameters...
What is the difference between printf() and puts() in C?
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In simple cases, the compiler converts calls to printf() to calls to puts().
For example, the following code will be compiled to the assembly code I show next.
#include <stdio.h>
main() {
printf("Hello world!");
return 0;
}
push rbp
mo...
How to find the kth smallest element in the union of two sorted arrays?
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I've converted your code to C++. It seems to work
– jfs
Jul 27 '12 at 3:54
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Sorting arraylist in alphabetical order (case insensitive)
...ArrayList, then it sorts it (ignoring the case). After that, the stream is converted to an array which is converted to an ArrayList.
If you print the result using:
System.out.println(sorted);
you get the following output:
[ananya, Athira, bala, jeena, Karthika, Neethu, Nithin, seetha, sudhin, S...