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How do I get bit-by-bit data from an integer value in C?
I want to extract bits of a decimal number.
8 Answers
8
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How to use Comparator in Java to sort
I learned how to use the comparable but I'm having difficulty with the Comparator. I am having a error in my code:
14 Answ...
Algorithm to get the excel-like column name of a number
... on a script that generate some Excel documents and I need to convert a number into its column name equivalent. For example:
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Git 工具 - 子模块(submodule)：一个仓库包含另一个仓库 - 开源 & Github -...
Git 工具 - 子模块(submodule)：一个仓库包含另一个仓库git-submodule有种情况我们经常会遇到：某个工作中的项目需要包含并使用另一个项目。 也许是第三方库，或者你独立开发的，用于多个父项目的库。 现在问题来了：你想要把它...
Why can't overriding methods throw exceptions broader than the overridden method?
I was going through SCJP 6 book by Kathe sierra and came across this explanations of throwing exceptions in overridden method. I quite didn't get it. Can any one explain it to me ?
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Java synchronized method lock on object, or method?
If I have 2 synchronized methods in the same class, but each accessing different variables, can 2 threads access those 2 methods at the same time? Does the lock occur on the object, or does it get as specific as the variables inside the synchronized method?
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PostgreSQL delete with inner join
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DELETE
FROM m_productprice B
USING m_product C
WHERE B.m_product_id = C.m_product_id AND
C.upc = '7094' AND
B.m_pricelist_version_id='1000020';
or
DELETE
FROM m_productprice
WHERE m_pricelist_version_id='1000020...
Joining three tables using MySQL
I have three tables named
8 Answers
8
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how to check if object already exists in a list
...eeds of the specific situation. For example, the dictionary approach would be quite good assuming:
The list is relatively stable (not a lot of inserts/deletions, which dictionaries are not optimized for)
The list is quite large (otherwise the overhead of the dictionary is pointless).
If the above ...
onActivityResult() & onResume() [duplicate]
Could someone tell me which gets called first, is it onActivityResult() or is it onResume() ?
Example:
3 Answers
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