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mfc里面的140种颜色宏 - C/C++ - 清泛网 - 专注C/C++及内核技术
... // 矢车菊蓝
#define CLR_LIGHTSTEELBLUE RGB(176, 196, 222) // 亮钢蓝
#define CLR_LIGHTSLATEGRAY RGB(119, 136, 153) // 亮石板灰
#define CLR_SLATEGRAY RGB(112, 128, 144) // 石板灰
#define CLR_DODGERBLUE RGB( 30,...
How to check whether a pandas DataFrame is empty?
...As expected, the empty column displays 1 series
In [10]: df1['CC'] = [111, 222, 333]
df1
Out[10]: CC
0 111
1 222
2 333
In [11]: len(df1.columns)
Out[11]: 1
# Note the persisting series with rows containing `NaN` values in df2
In [12]: df2['CC'] = [111, 222, 33...
手握利器，直面“蓝脸”! ——使用WinDbg抗击系统崩溃 - 操作系统(内核) - ...
...，如不能完好分析请选择“核心内存转储”。为了数据的丰富性，您也可以直接选择“核心内存转储”，但笔者强烈不推荐完全内存转储。）
值得注意的是，为了确保崩溃时自动生成内存转储文件，您可能还...
JavaScript: Object Rename Key
...eping up with the times!
const old_obj = {
k1: `111`,
k2: `222`,
k3: `333`
};
console.log(`old_obj =\n`, old_obj);
// {k1: "111", k2: "222", k3: "333"}
/**
* @author xgqfrms
* @description ES6 ...spread & Destructuring Assignment
*/
const {
k1: kA,
...
How to list variables declared in script in bash?
...upt the output - each VAR=VALUE get a single output line):
+ A1=$'111\nA2=222'; A0=000; A9=999;
+ SOLUTION | grep '^A[0-9]='
A0=000
A1=$'111\nA2=222'
A9=999
NOTE: The solution provided by @DouglasLeeder suffers from the "DejayClayton" problem (values with embedded newlines).
Below, the A1 is wr...
SVG图像加载扩展 - 第三方扩展集合 · App Inventor 2 中文网
...可缩放矢量图形）图像加载扩展，为App Inventor应用提供了丰富的矢量图形处理能力。SVG扩展允许应用加载、显示和操作矢量图形，支持无限缩放而不失真。
扩展列表
1. SVGImages
来源: Kodular社...
QUERY_STRING、REQUEST_URI、SCRIPT_NAME、PHP_SELF区别 - 更多技术 - 清泛...
...PHP_SELF'] = "/aaa/index.php";
2、http://localhost/aaa/index.php?p=222&q=333（带参数）
$_SERVER['QUERY_STRING'] = "p=222&q=333";
$_SERVER['REQUEST_URI'] = "/aaa/index.php?p=222&q=333";
$_SERVER['SCRIPT_NAME'] = "/aaa/index.php";
$_SERVER['PHP_SELF'] = "/aaa/index.php";
3、...
Drop shadow for PNG image in CSS
...e:
img {
width: 150px;
-webkit-filter: drop-shadow(5px 5px 5px #222);
filter: drop-shadow(5px 5px 5px #222);
}
<img src="https://cdn.freebiesupply.com/logos/large/2x/stackoverflow-com-logo-png-transparent.png">
<img src="https://cdn.freebiesupply.com/logos/large/2x/stacko...
App Inventor 2 数学代码块 · App Inventor 2 中文网
... )
返回第一个数字的第二个数字次幂的结果。比如2^3 = 222 = 8
随机整数 (random integer)
返回给定值之间（包含首尾）的随机整数值。参数的顺序不限，也就是 1~100 和 100~1 效果一样。
随机小数 (random fraction)
返回 0 到 1 之...
Office2013密钥 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...84JM-P8P8W-J8C9K
GW6J7-PXNRV-RDX9M-FFMFD-PYQ6X
MG9FH-NXW9Y-HPKH8-VX786-WW9KK
PNQ3K-3TD86-FPWY6-28BBT-D3TXK
3GH3B-WN8RD-44QMH-2C86F-KBQ6X
BGDVN-Y9R8K-PWQWH-38K8P-VFP9K
B9GN2-DXXQC-9DHKT-GGWCR-4X6XK
6PMNJ-Q33T3-VJQFJ-23D3H-6XVTX
KDVQM-HMNFJ-P9PJX-96HDF-DJYGX
366NX-BQ62X-PQT9G-GPX4H-V...