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MFC 日期时间控件CDateTimeCtrl自绘 - C/C++ - 清泛网 - 专注C/C++及内核技术
...nclude "stdafx.h"
#include "MyDateTime.h"
#include "../CommonFunc.h"
#ifdef _DEBUG
#define new DEBUG_NEW
#undef THIS_FILE
static char THIS_FILE[] = __FILE__;
#endif
CMyDateTime::CMyDateTime()
{
m_nIDLeft = m_nIDRight = m_nIDCenter = 0;
//m_nIDListLeft, m_nIDListRight, m_nIDListTop, ...
PHP check whether property exists in object or class
...
property_exists( mixed $class , string $property )
if (property_exists($ob, 'a'))
isset( mixed $var [, mixed $... ] )
if (isset($ob->a))
isset() will return false if property is null
Example 1:
$ob->a = null
var_dump(isset($ob->a)); // false
Example 2: ...
Escaping regex string
...
Return string with all non-alphanumerics backslashed; this is useful if you want to match an arbitrary literal string that may have regular expression metacharacters in it.
A simplistic example, search any occurence of the provided string optionally followed by 's', and return the match obje...
How can I convert an RGB image into grayscale in Python?
...
knowing that my aim is to use GLCM features (greycoprops)
– Sam
Dec 1 '15 at 20:56
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How do I install from a local cache with pip?
... downloaded and added to the PIP_DOWNLOAD_CACHE directory. For instance, I now have quite a few Django packages.
This doesn't remove the need for network access, as stated in the pip news, so it's not the answer for creating new virtualenvs on the airplane, but it's still great.
...
urlencode vs rawurlencode?
If I want to create a URL using a variable I have two choices to encode the string. urlencode() and rawurlencode() .
11 ...
Add a new item to a dictionary in Python [duplicate]
...ther possible solution:
default_data.update({'item3': 3})
which is nice if you want to insert multiple items at once.
share
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Class JavaLaunchHelper is implemented in both. One of the two will be used. Which one is undefined [
... work without any problems using JDK 1.7.0_60 despite seeing the message.
If this issue is causing serious problems, here are a few things I would suggest:
Revert back to JDK 1.7.0_25 until a fix is added to the JDK.
Keep an eye on the bug report so that you are aware of any work being done on t...
Any way to delete in vim without overwriting your last yank? [duplicate]
...in the registers:
"_dd
See also :help registers.
It's probably safest, if you want to paste something over and over again, to yank it into a "named" register.
"aY
Yanks a line into the a register. Paste it with "ap.
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Matplotlib: “Unknown projection '3d'” error
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First off, I think mplot3D worked a bit differently in matplotlib version 0.99 than it does in the current version of matplotlib.
Which version are you using? (Try running: python -c 'import matplotlib; print matplotlib."__version__")
I'm guessing you're running v...