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Using AES encryption in C#
...rosoft.com/en-us/library/system.security.cryptography.rijndaelmanaged(v=VS.100).aspx#Y2262
The example on MSDN does not run normally (an error occurs) because there is no initial value of Initial Vector(iv) and Key. I add 2 line code and now work normally.
More details see below:
using System.Win...
基于PECL OAuth打造微博应用 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...pect头，否则如果POST数据大于1K，CURL会自作主张发送Expect:100-continue头，对多数Web服务器来说这没问题，但低版本Lighttpd（如1.4）则会出现HTTP 417错误。
详见：‘Expect’ header gives HTTP error 417
如果使用PHP Streams方式发送请求...
How can I pass a Bitmap object from one activity to another
...teArrayOutputStream();
bitmap.compress(Bitmap.CompressFormat.JPEG, 100, bytes);
FileOutputStream fo = openFileOutput(fileName, Context.MODE_PRIVATE);
fo.write(bytes.toByteArray());
// remember close file output
fo.close();
} catch (Exception e) {
e...
Plotting two variables as lines using ggplot2 on the same graph
...
library(ggplot2)
library(tidyr)
test_data <-
data.frame(
var0 = 100 + c(0, cumsum(runif(49, -20, 20))),
var1 = 150 + c(0, cumsum(runif(49, -10, 10))),
date = seq(as.Date("2002-01-01"), by="1 month", length.out=100)
)
test_data %>%
gather(key,value, var0, var1) %>%
...
When are you supposed to use escape instead of encodeURI / encodeURIComponent?
...in posting data to php in xml string.
For example:
<xml><text x="100" y="150" value="It's a value with single quote" />
</xml>
General escape with encodeURI
%3Cxml%3E%3Ctext%20x=%22100%22%20y=%22150%22%20value=%22It's%20a%20value%20with%20single%20quote%22%20/%3E%20%3C/xml%3E
Yo...
Calling Objective-C method from C++ member function?
...locating the new object for the objective C class we created
[obj hello:(100)]; //Calling the function we defined
}
Step 3
Calling the c++ function(which actually calls the objective c method)
#ifndef __HELLOWORLD_SCENE_H__
#define __HELLOWORLD_SCENE_H__
#include "cocos2d.h"
#include "ObjCCa...
CSS: center element within a element
...-color:blue;
height:400px;
width:600px;
}
.block {
height:100px;
width:200px;
text-align:left;
}
.center {
margin:auto;
background-color:green;
}
.left {
margin:auto auto auto 0;
background-color:red;
}
.right {
margin:auto 0 auto auto;
...
Design patterns or best practices for shell scripts [closed]
...
Easy:
use python instead of shell scripts.
You get a near 100 fold increase in readablility, without having to complicate anything you don't need, and preserving the ability to evolve parts of your script into functions, objects, persistent objects (zodb), distributed objects (pyro)...
PowerShell says “execution of scripts is disabled on this system.”
...ator account. I made a shortcut to %SystemRoot%\system32\WindowsPowerShell\v1.0\powershell.exe -ExecutionPolicy ByPass on my taskbar.
– zek19
Jan 14 '15 at 12:15
...
A better similarity ranking algorithm for variable length strings
...
This returns a "score" of 1 (100% match) when comparing strings having a single isolated letter as difference, like this exemple: string_similarity("vitamin B", "vitamin C") #=> 1, is there an easy way to prevent this kind of behavior?
...