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Java's Virtual Machine and CLR
...ime in IT. When JVM came in 1993 there was no serious contender, for CLR (2003) there was a mature and solid JVM with strong foothold in industry.
– Simple Fellow
Jun 20 '19 at 5:48
...
Retain precision with double in Java
...uble-precision value, which is exactly:
33.3333333333333285963817615993320941925048828125
Dividing that by 100 gives:
0.333333333333333285963817615993320941925048828125
which also isn't representable as a double-precision number, so again it is rounded to the nearest representable value, which...
Python function global variables?
...use the local one references the global one.
– jadkik94
May 14 '12 at 19:15
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show 1 more comment
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sqlalchemy: how to join several tables by one query?
...
94
Try this
q = Session.query(
User, Document, DocumentPermissions,
).filter(
...
Is it possible to move/rename files in Git and maintain their history?
...
94
No.
The short answer is NO. It is not possible to rename a file in Git and remember the history...
Why use the params keyword?
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94
Using params allows you to call the function with no arguments. Without params:
static public ...
Iterator invalidation rules
... objects within that container.
[23.1/11]
Note 2
It's not clear in C++2003 whether "end" iterators are subject to the above rules; you should assume, anyway, that they are (as this is the case in practice).
Note 3
The rules for invalidation of pointers are the sames as the rules for invalidat...
Html code as IFRAME source rather than a URL
...
94
use html5's new attribute srcdoc (srcdoc-polyfill) Docs
<iframe srcdoc="<html><bo...
What is the “volatile” keyword used for?
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94
For both C# and Java, "volatile" tells the compiler that the value of a variable must never be ...
Excel RTD(Excel Real-Time Data)实时刷新数据技术 - C/C++ - 清泛网 - 专注C/C++及内核技术
...oft.com/kb/285339/zh-cn
MSDN上的文章虽然是针对Excel 2002，但是2003和2007同样支持。此外，从外部数据源获取Excel的方法有很多种，这只是其中一种而已，它并不能适应所有的情况。
二 C++ COM基本结构
Excel RTD函数是一个实现了IR...