大约有 44,000 项符合查询结果(耗时:0.0674秒) [XML]
Splitting string into multiple rows in Oracle
...ept of associating statistics with object types can be further explored by reading this article:
http://www.oracle-developer.net/display.php?id=427
The technique described here works in 10g+.
share
|
...
How do I cast a JSON object to a typescript class
I read a JSON object from a remote REST server. This JSON object has all the properties of a typescript class (by design). How do I cast that received JSON object to a type var?
...
How does password salt help against a rainbow table attack?
...en. Suppose further that a hacker manages to obtain this password, say by reading it in an email from the user to the IT department. If the passwords are unsalted, the hacker can find the hashed value in the database, then simply pattern-match it to gain access to the other 499 accounts.
Salting ...
What's the complete range for Chinese characters in Unicode?
...aracters used in
Japanese copies of classical Chinese texts, to indicate reading order.
[\u3400-\u4DBF]
CJK Unified Ideographs Extension-A is a Unicode block containing rare
Han ideographs.
[\u4E00-\u9FCC]
CJK Unified Ideographs is a Unicode block containing the most common
CJK...
Creating an empty file in C#
...as far as I can tell - the only way it could make a difference is if the thread were aborted between the call to File.Create and the call to Dispose. If that race condition exists, I suspect it would also exist in the using version, if the thread were aborted at the very end of the File.Create metho...
What is the difference between C, C99, ANSI C and GNU C?
...on is called C11. Various new features like _Generic, _Static_assert and thread support were added to the language. The update had a lot of focus on multi-core, multi-processing and expression sequencing. From 2011-2017, this was "the C language".
In 2017, C11 was revised and various defect reports...
SQL Server CTE and recursion example
I never use CTE with recursion. I was just reading an article on it. This article shows employee info with the help of Sql server CTE and recursion. It is basically showing employees and their manager info. I am not able to understand how this query works. Here is the query:
...
How to get a reference to current module's attributes in Python
...
For anyone reading comment by george: sys.modules[__name__].__doc__ == __doc__ as this is defined in the current namespace. Fetching the module object to access its own attributes is therefore not necessary.
– Oliv...
In Visual Studio C++, what are the memory allocation representations?
...
Just an habit, back then, some code would read two bytes and try to use it as jump table, or in some cases, when I list the assembly code, by adding NOP, it would not show as '???' or something (more legible) when disassembling; all in all, for multiple reasons, it j...
AngularJS : How to watch service variables?
...oth methods have their uses. Advantages of broadcast for me would be human readability and possibility to listen on more places to the same event. I guess the main disadvantage is that broadcast is emiting message to all descendant scopes so it may be a performance issue.
– Kry...
