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Automatically import modules when entering the python or ipython interpreter
...ONSTARTUP="~/.startup.py" didn't work for me
– Seanny123
Jun 25 '15 at 20:09
Just a note export PYTHONSTARTUP=~/.pytho...
Convert RGB to RGBA over white
...ales using (177 - 152) / 0.404 ~ 62
202 scales using (202 - 152) / 0.404 ~ 123
So, rgb(152, 177, 202) displays as rgba(0, 62, 123, .404).
I have verified in Photoshop that the colors actually match perfectly.
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What is the difference between ExecuteScalar, ExecuteReader and ExecuteNonQuery?
...a generated id after inserting.
INSERT INTO my_profile (Address) VALUES ('123 Fake St.');
SELECT CAST(scope_identity() AS int)
ExecuteReader gives you a data reader
back which will allow you to read all
of the columns of the results a row
at a time.
An example would be pulling profile informati...
OpenSUSE 升级最新系统步骤 - 操作系统(内核) - 清泛网 - 专注C/C++及内核技术
OpenSUSE 升级最新系统步骤步骤如下： 添加镜像地址，如果需要的话（更快更稳定的更新源，或内网搭建的更新源） URL是源的地址，Alias是自定义的源的别名，-f 开启自动刷新zypper addrepo -f [URL] [Al 步骤如下：
#添加镜像地址，...
VMware .GHO文件安装系统的方法 - 更多技术 - 清泛网 - 专注C/C++及内核技术
VMware .GHO文件安装系统的方法现在很多系统都直接发gho文件因为是体积过大，再者刻盘也不方便，如果下载后想测试安装一下又不想物理机安装，那么vm虚拟机是一个很好的方...
现在很多系统都直接发gho文件因为是体积过大，...
How to test equality of Swift enums with associated values
...{
case Name(String)
case Number(Int)
}
let t1 = SimpleToken.Number(123)
let t2 = SimpleToken.Number(123)
Before Swift 4.1
As others have noted, Swift doesn't synthesize the necessary equality operators automatically. Let me propose a cleaner (IMHO) implementation, though:
enum SimpleToke...
How do you Encrypt and Decrypt a PHP String?
...xample I want to pass a GET parameter from page to page, let's say prod_id=123 but I just do not want to make 123 readable for everybody, however even if they could read it, it won't be a problem. An attacker being able to replace the 123 to a custom value won't cause any harm, he/she will only be a...
NASM x86汇编入门指南 - C/C++ - 清泛网 - 专注C/C++及内核技术
...386编程的一些老的黑客仍在用它，linux汇编更实用。(linux操作系统一部分由汇编代码编写，并且硬件驱动也常常离不开汇编代码，因为他是最靠近硬件的语言)
4.2一个汇编程序的组成
一个简单的汇编代码通常分成下面三个段:
...
PHP passing $_GET in linux command prompt
...lice($argv, 2)), $_GET); include($argv[1]);'"' --"
% php-cgi test1.php foo=123
<html>
You set foo to 123.
</html>
%cat test1.php
<html>You set foo to <?php print $_GET['foo']?>.</html>
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Vsphere 6 集群上 安装 oracle rac 遇到的共享磁盘故障 - 数据库(内核) - ...
...ic 并行。修改好后，开启虚拟机的电源，发现机器进不了操作系统。
SCSI控制器0 和SCSI控制器1全部改为 LSI logic 并行 机器可以启动。
SCSI共享总线一样。于是没有修改
进入操作系统后，数据库运行正常。
好景不长...