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What is a lambda expression in C++11?
What is a lambda expression in C++11? When would I use one? What class of problem do they solve that wasn't possible prior to their introduction?
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When to use nil, blank, empty? [duplicate]
...e any guidelines on how to differentiate between .nil? , .blank? and .empty? ?
4 Answers
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“媒”出路？如今“媒体+行业”创业机会多得是 - 资讯 - 清泛网 - 专注C/C+...
...一个风口。
同时，第一批受到互联网冲击的行业，例如TMT，同样也具备了做为基本工具的属性，可以影响更多的传统行业，延伸出 “M+传统行业”、“T+传统行业”的创业新机会。
专注O2O垂直领域的新媒体平台亿欧网已获得了...
@UniqueConstraint annotation in Java
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To ensure a field value is unique you can write
@Column(unique=true)
String username;
The @UniqueConstraint annotation is for annotating multiple unique keys at the table level, which is why you get an error when applying it to a field.
References (JPA TopLink):
@UniqueCon...
How to convert / cast long to String?
I just created sample BB app, which can allow to choose the date.
8 Answers
8
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how to delete all commit history in github? [duplicate]
I want to delete all commit history but keep the code in its current state because, in my commit history, there are too many unused commits.
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Where to find the win32api module for Python? [closed]
I need to download it for Python 2.7, but can't seem to find it...
4 Answers
4
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Difference between angle bracket < > and double quotes “ ” while including header files in C++? [dup
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It's compiler dependent. That said, in general using " prioritizes headers in the current working directory over system headers. &lt;&gt; usually is used for system headers. From to the specification (Section 6.10.2):
A prep...
IntelliJ shortcut to show a popup of methods in a class that can be searched
I'm switching over from Eclipse to IntelliJ. In Eclipse, if you do Ctrl + O in the editor, it will show a hover popup that allows you to search for a method in the class you're editing.
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How to parse/format dates with LocalDateTime? (Java 8)
Java 8 added a new java.time API for working with dates and times ( JSR 310 ).
7 Answers
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