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Dictionary vs Object - which is more efficient and why?
...sec obj=11sec dict=12sec namedtuple=16sec. I'm using CPython 2.6.6 on Win7 64bit
– Jonathan
Jul 5 '11 at 13:24
To emph...
Validating IPv4 addresses with regexp
...course, formatted for readability purposes on 3 separate lines)
Debuggex Demo
It may not be optimised for speed, but works well when only looking for 'real' internet addresses.
Things that will (and should) fail:
0.1.2.3 (0.0.0.0/8 is reserved for some broadcasts)
10.1.2.3 (10.0....
How do I parallelize a simple Python loop?
... parallellizing: 27.68999981880188
returned in order given: [0, 4, 16, 36, 64, 100, 144, 196, 256, 324]
Multithreading
Now change ProcessPoolExecutor to ThreadPoolExecutor, and run the module again:
$ python3 -m futuretest
original inputs: [0.0, 1.0, 2.0, 3.0, 4.0, 5.0, 6.0, 7.0, 8.0, 9.0]
total...
How to vertically center a container in Bootstrap?
...splay: flex;
align-items: center;
}
Important notes (Considered in the demo):
A percentage values of height or min-height properties is relative to the height of the parent element, therefore you should specify the height of the parent explicitly.
Vendor prefixed / old flexbox syntax omitted i...
JavaScript: Create and save file [duplicate]
...e in
browsers that do not natively support it.
Also have a look at the demo here:
http://eligrey.com/demos/FileSaver.js/
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ctypes - Beginner
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PHP Multidimensional Array Searching (Find key by specific value)
...
Another poossible solution is based on the array_search() function. You need to use PHP 5.5.0 or higher.
Example
$userdb=Array
(
(0) => Array
(
(uid) => '100',
(name) => 'Sandra Shush',
(url) => 'urlof100'
),...
What is a bus error?
...nd of the allocated object.
Unaligned stack memory accesses in ARMv8 aarch64
This was mentioned at: What is a bus error? for SPARC, but here I will provide a more reproducible example.
All you need is a freestanding aarch64 program:
.global _start
_start:
asm_main_after_prologue:
/* misalign...
LOGFONT 和 CFont 区别 - C/C++ - 清泛网 - 专注C/C++及内核技术
... _T("宋体")); // lpszFac
使用字体：
GetDlgItem(IDC_BTN_DEMO)->SetFont(f);
获取LOGFONT字体数据结构体：
LOGFONT lf;
f->GetLogFont(&lf);
这时就可以访问LOGFONT中的成员变量了，比如字体名：lf.lfFaceName等。
调用字体设置对话框：
...
一款IP：端口监控工具 服务器端口监控工具[附源码] - C++ UI - 清泛IT社区...
TradeMonitor v1.0
功能介绍：
监控ip:port，类似于telnet命令。
界面清晰简洁，异常连接的情况一目了然。
支持添加、编辑、删除、移动ip:port组合，可监控多组，支持ip:port备注。
支持自动刷新，刷新间隔可配置，同时也可手动刷...