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Encrypting & Decrypting a String in C# [duplicate]
...ed encryption. Encryption alone provides only privacy (i.e. message is unknown to 3rd parties), whilst authenticated encryption aims to provide both privacy and authenticity (i.e. recipient knows message was sent by the sender).
Without knowing your exact requirements, it's difficult to say whet...
将Linux代码移植到Windows的简单方法 - 操作系统(内核) - 清泛网 - 专注C/C++及内核技术
...定义基本上解决了大部分的头文件包含问题。
/* Define if you have the <linux/fd.h> header file. */
/* #undef HAVE_LINUX_FD_H */
/* Define if you have the <locale.h> header file. */
#define HAVE_LOCALE_H 1
/* Define if you have the <malloc.h> header file. */
#define HAVE_...
How to prepare a Unity project for git? [duplicate]
...ory.
If you already created your empty git repo on-line (eg. github.com) now it's time to upload your code. Open a command prompt and follow the next steps:
cd to/your/unity/project/folder
git init
git add *
git commit -m "First commit"
git remote add origin git@github.com:username/project.gi...
Unable to import a module that is definitely installed
...
maybe 2? I just don't know why it would install in the wrong place for this one library, where most others are fine.
– roy
Jan 12 '13 at 17:59
...
UCenter实现各系统通信的原理 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...登录验证logging.php
在bbs的logging.php中如下代码段
} elseif($action == 'login') {
if($discuz_uid) {
$ucsynlogin = '';
showmessage('login_succeed', $indexname);
}
检查用户id变量$discuz_uid是否为空来判断，用户是否登录（包括从别的应用登录。...
Static class initializer in PHP
...in the class require a ‘heavy’ initialization function to run once (as if it were a constructor).
8 Answers
...
Dictionaries and default values
...
+1 for readability, but if/else is much faster. That might or might not play a role.
– Tim Pietzcker
Jul 6 '13 at 9:20
...
Getting Django admin url for an object
... just shows how to properly add the admin app to your app, which solved a different problem that the author had. The real answer to the actual question is below - from markmuetz
– Declan Shanaghy
Aug 19 '11 at 18:18
...
Can “list_display” in a Django ModelAdmin display attributes of ForeignKey fields?
...showing each person would make a SQL query.
To avoid this, you need to modify get_queryset method in PersonAdmin, for example:
def get_queryset(self, request):
return super(PersonAdmin,self).get_queryset(request).select_related('book')
Before: 73 queries in 36.02ms (67 duplicated queries ...
How to use the PI constant in C++
...acro
* definitions for common math constants. These are placed under an #ifdef
* since these commonly-defined names are not part of the C/C++ standards.
*/
However:
on newer platforms (at least on my 64 bit Ubuntu 14.04) I do not need to define the _USE_MATH_DEFINES
On (recent) Linux platfo...