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When and why JPA entities should implement Serializable interface?
... This doesn't explain why just "perhaps how" See answer below from Bozho
– chrips
Oct 21 '19 at 17:27
is ...
What is the exact meaning of IFS=$'\n'?
...
From http://www.linuxtopia.org/online_books/bash_guide_for_beginners/sect_03_03.html:
Words in the form "$'STRING'" are
treated in a special way. The word
expands to a string, with
backslash-escaped characters repla...
How do I create an abstract base class in JavaScript?
...ould throw an error:
new Animal(); // throws
This is how you "inherit" from it:
var Cat = function() {
Animal.apply(this, arguments);
// Cat initialization...
};
Cat.prototype = Object.create(Animal.prototype);
Cat.prototype.constructor = Cat;
Cat.prototype.say = function() {
conso...
Control the dashed border stroke length and distance between strokes
...value is 2:
border-image-slice: 2;
The slices look like this, 2 pixels from the top, right, bottom and left:
Define the border-image-repeat:
In this example, we want the pattern to repeat itself evenly around our div. So we choose:
border-image-repeat: round;
Writing shorthand
The proper...
what exactly is device pixel ratio?
... understanding is its quality is lower because it got physically stretched from 300 to 600px. Can you elaborate on this a bit more, please?
– Peter
Mar 19 '16 at 6:48
1
...
When & why to use delegates? [duplicate]
...he database by uploading a file with Meta data (ignore why, it's a request from the owner of the FTP site). The issue is at what point and how? We need a new method called NotifyFtpComplete() but in which of our projects should it be saved too - FTP or SaveDatabase? Logically, the code should live ...
When to wrap quotes around a shell variable?
...arr[idx]}", "${string:start:length}"
inside [[ ]] expression which is free from word splitting and globbing issues (this is a matter of style and opinions can vary widely)
where we want word splitting (for word in $words)
where we want globbing (for txtfile in *.txt; do ...)
where we want ~ to be in...
How to override a JavaScript function
...swer this question. The reputation requirement helps protect this question from spam and non-answer activity.
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MFC CSplitterWnd的用法详解 - C/C++ - 清泛网 - 专注C/C++及内核技术
...1);
// COneView and CAnotherView are user-defined views derived from CMDIView
m_wndSplitter.CreateView(0,0,RUNTIME_CLASS(COneView), CSize(0,0),
pContext);
m_wndSplitter.CreateView(1,0,RUNTIME_CLASS(CAnotherView), CSize(0,0),
pContext);
...
Mysql ibdata 丢失或损坏如何通过frm&ibd 恢复数据 - 爬虫/数据库 - 清...
...开始执行 import tablespace，报错 ERROR 1030 (HY000): Got error -1 from storage engine。找到mysql的错误日志，InnoDB: Error: tablespace id in file ‘.\test\weibo_qq0.ibd’ is 112, but in the InnoDB InnoDB: data dictionary it is 1. 因为 weibo_qq0 之前的记录点在112，当前的...