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JPA eager fetch does not join
What exactly does JPA's fetch strategy control? I can't detect any difference between eager and lazy. In both cases JPA/Hibernate does not automatically join many-to-one relationships.
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Select datatype of the field in postgres
How do I get datatype of specific field from table in postgres ?
For example
I have the following table,
student_details (
stu_id integer,
stu_name varchar(30 ),
joined_date timestamp
);
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How can prepared statements protect from SQL injection attacks?
How do prepared statements help us prevent SQL injection attacks?
9 Answers
9
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Convert JavaScript String to be all lower case?
How can I convert a JavaScript string value to be in all lower case letters?
14 Answers
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When are you truly forced to use UUID as part of the design?
I don't really see the point of UUID . I know the probability of a collision is effectively nil , but effectively nil is not even close to impossible.
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了解 Boost Filesystem Library - C/C++ - 清泛网 - 专注C/C++及内核技术
...不使用本机操作系统提供的应用程序编程接口(Application Program Interfaces,API),而这使得代码不能在平台之间移植。以下面的简单情况为例:您需要确定某个文件是否是 Directory 类型。在 Microsoft® Windows® 平台中,可以通过...
Relative imports in Python 3
I want to import a function from another file in the same directory.
13 Answers
13
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C++ lambda with captures as a function pointer
I was playing with C++ lambdas and their implicit conversion to function pointers. My starting example was using them as callback for the ftw function. This works as expected.
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Plot two histograms on single chart with matplotlib
I created a histogram plot using data from a file and no problem. Now I wanted to superpose data from another file in the same histogram, so I do something like this
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Making git diff --stat show full file path
On doing git diff --stat some files are listed with full path from repository base but some files are listed as:
7 Answer...
