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Deny all, allow only one IP through htaccess
...sk.
ErrorDocument 403 /specific_page.html
Order Allow,Deny
Allow from 111.222.333.444
Where 111.222.333.444 is your static IP address.
When using the "Order Allow,Deny" directive the requests must match either Allow or Deny, if neither is met, the request is denied.
http://httpd.apache.org/docs...
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...
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,...
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...
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...
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、...
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...
ZMQ: 基本原理 - 开源 & Github - 清泛网 - 专注C/C++及内核技术
...种模式）。
最后，我们对AMQP的经验是：即便它提供了丰富的各种可能的消息模式，人们仍然一而再再而三地在其上构建同样的一对模式，而且完全忽略了其中的其他模式。
互联网栈最具有独创性...
ZMQ: 基本原理 - 开源 & Github - 清泛网 - 专注C/C++及内核技术
...种模式）。
最后，我们对AMQP的经验是：即便它提供了丰富的各种可能的消息模式，人们仍然一而再再而三地在其上构建同样的一对模式，而且完全忽略了其中的其他模式。
互联网栈最具有独创性...