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How to clone ArrayList and also clone its contents?
...e never to
override the clone method and never to invoke it except, perhaps, to
copy arrays. If you design a class for inheritance, be aware that if
you choose not to provide a well-behaved protected clone method, it
will be impossible for subclasses to implement Cloneable.
This book also ...
How to use a different version of python during NPM install?
I have terminal access to a VPS running centos 5.9 and default python 2.4.3 installed. I also installed python 2.7.3 via these commands: (I used make altinstall instead of make install )
...
Sending and Receiving SMS and MMS in Android (pre Kit Kat Android 4.4)
...ith text. The given code works fine on a few devices that i've tested on. ps : you can ignore the NOKIA part.
– Manan Sharma
Feb 14 '13 at 13:28
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BLE协议—广播和扫描 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...向广播（ADV_IND）：可以被连接，可以回复扫描响应包，最常用的广播类型，适合大部分场景。
可连接的定向广播（ADV_DIRECT_IND）：可以被连接，不可以回复扫描响应包，适用于连接特定的主设备。
可扫描非定向广播（ADV_SCAN_IN...
What is a bus error?
...ialized hence bogus pointer.
using a null pointer.
overflowing a buffer.
PS: To be more precise this is not manipulating the pointer itself that will cause issues, it's accessing the memory it points to (dereferencing).
sh...
Computational complexity of Fibonacci Sequence
...f the naive algorithm is
O((1/sqrt(5)) * 1.618^(N+1)) = O(1.618^(N+1))
PS: There is a discussion of the closed form expression of the Nth Fibonacci number over at Wikipedia if you'd like more information.
share
...
Bootstrap dropdown sub menu missing
... right now, especially the mobile web. They will be removed with 3.0" - https://github.com/twbs/bootstrap/pull/6342
But, with a little extra CSS you can get the same functionality.
Bootstrap 4 (navbar submenu on hover)
.navbar-nav li:hover > ul.dropdown-menu {
display: block;
}
.dropdown-...
What is a Shim?
...er, I think I can add a good example, which is the Javascript ES5 Shim (https://github.com/es-shims/es5-shim):
Javascript has evolved a lot during the last few years, and among many other changes to the language specification, a lot of new methods have been added to its core objects.
For example, ...
Execute SQLite script
...answered Jul 25 '12 at 6:14
bitopsbitops
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How to exit a function in bash
...
It seems not working. (PS: code block does not work in comment on stackoverflow). It keeps running after checkPara.
– brook hong
Apr 25 '19 at 5:16
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