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Get key by value in dictionary
...returns two lists with keys and values of the dictionary respectively. The zip function has the ability to tie together lists to produce a dictionary.
p = dict(zip(i.values(),i.keys()))
Warning : This will work only if the values are hashable and unique.
...
Convert JS Object to form data
...tate":"US-AS",
"region":{
"isocode":"US-AS"
},
"zip":"76767-6776"
}
}
Into something like this:
{
"orderPrice":"11",
"cardNumber":"************1234",
"id":"8796191359018",
"accountHolderName":"Raj Pawan",
"expiryMonth":"02",
"expiryYear":"2019",
...
MFC学习总结 (90个技巧) dlg 上建立View - C/C++ - 清泛网 - 专注C++内核技术
...使最大化按钮变灰？
①在App类里的C…App::InitInstance()中把m_pMainWnd->ShowWindow(SW_SHOW)改成m_pMainWnd->ShowWindow(SW_MAXIMIZE);
②在CreateWidnow时用WS_SYSMENU|WS_MINIMIZEBOX|WS_MAXIMIZEBOX 风格.
③ 第一种方法：
BOOL CMainFrame::PreCreateWindow(CREATESTRU...
An efficient way to transpose a file in Bash
...hon solution:
python -c "import sys; print('\n'.join(' '.join(c) for c in zip(*(l.split() for l in sys.stdin.readlines() if l.strip()))))" < input > output
The above is based on the following:
import sys
for c in zip(*(l.split() for l in sys.stdin.readlines() if l.strip())):
print(' '...
Fast Linux File Count for a large number of files
... are welcome; I'm happy to update this if you can't get it working on your AIX or OS/400 or whatever.
As you can see, it's much more complicated than the original and necessarily so: at least one function must exist to be called recursively unless you want the code to become very complex (e.g. mana...
NASM x86汇编入门指南 - C/C++ - 清泛网 - 专注C/C++及内核技术
...)时，实际上是经过ld链接脚本的处理并进行重定位之后，把每个目标文件中的各个section 放到可执行文件的一个section中，这个section我们通常叫它段(例如.text节重定位之后生成.text段,.data节重定位生成.data段等等)，详细请参考ld man...
Accessing items in an collections.OrderedDict by index
... [2]: from indexed import IndexedOrderedDict
In [3]: id=IndexedOrderedDict(zip(arange(1000),random.random(1000)))
In [4]: timeit id.keys()[56]
1000000 loops, best of 3: 969 ns per loop
In [8]: from collections import OrderedDict
In [9]: od=OrderedDict(zip(arange(1000),random.random(1000)))
In [10]:...
How to host google web fonts on my own server?
... via on github at their google/font repository. They also provide a ~420MB zip snapshot of their fonts.
You first download your font selection as a zipped package, providing you with a bunch of true type fonts. Copy them somewhere public, somewhere you can link to from your css.
On the google webfo...
Difference between CC, gcc and g++?
.... You have to use alternative compiler names ('acc' IIRC). Similarly, on AIX, the system C compiler goes by names such as 'xlc' or 'xlc32'.
Classically, the default system compiler was called 'cc' and self-configuring software falls back on that name when it doesn't know what else to use.
POSIX ...
Linux的诞生和发展 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...程序的提供)均以其他人为主了，而Linus 的主要任务开始变成对内核的维护和决定是否采用某个补丁程序。
Linux 名称的来由
Linux 操作系统刚开始时并没有被称作Linux，Linus 给他的操作系统取名为FREAX，其英文含义是怪...