大约有 30,000 项符合查询结果（耗时：0.0305秒） [XML]
xpath find if node exists
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This is exactly what I needed when using XPath in Python with lxml.
– Iain Samuel McLean Elder
Mar 18 '11 at 12:04
1
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OOP vs Functional Programming vs Procedural [closed]
...y better off with that. For a small web application, there are some great Python, PHP, and Ruby frameworks that'll get you off and running very quickly. Java is a great choice for larger projects because of the compile-time checking and enterprise libraries and platforms.
It used to be the case t...
Is there an API to get bank transaction and bank balance? [closed]
...g information using a simple XML-like protocol called OFX. There are a few python etc libraries that wrap this communication for you. The one that ended up working for me was 'ofx-ba-tfb.py' (just google for it) after I added CLIENTUID to the sign-on section, changed protocol from 102 to 103, and au...
I need to securely store a username and password in Python, what are my options?
I'm writing a small Python script which will periodically pull information from a 3rd party service using a username and password combo. I don't need to create something that is 100% bulletproof (does 100% even exist?), but I would like to involve a good measure of security so at the very least it w...
刘强东“一元年薪”背后的O2O棋局 - 资讯 - 清泛网 - 专注C/C++及内核技术
...入股永辉超市的消息，高价布局供应链的背后彰显着京东对O2O的野心。近日，京东公布了一项薪酬计划，该计划透露，未来十年，刘强东的年薪降至一元并推出股权激励计划，希望借此将其与京东的关系捆绑得更加紧密，进而提...
CSS hack大全 - 创意 - 清泛网 - 专注C/C++及内核技术
...ink, x:default 这样的代码区分 Firefox3.5及以下 则谨记此写法对IE7也有效，故在其中要再重写一次 +background-color 或者使用 * +html .bb{background-color:blue;} 方法仅对 IE7 有效。可使用 @-moz-document url-prefix(){} 方法独立区分所有 firefox */
.bro...
BMP 和 DIB - C/C++ - 清泛网 - 专注C/C++及内核技术
...：1,2,3,4组成了BMP，2,3,4组成了DIB
1.BMP文件头：
BMP文件头数据结构含有BMP文件的类型、文件大小和位图起始位置等信息。
其结构定义如下：
2. DIB头
BMP位图信息头数据用于说明位图的尺寸等信息。下面两个图，左边是C++里...
C++形参与实参的区别（实例解析） - C/C++ - 清泛网 - 专注C/C++及内核技术
...函数后，实参变量也不能使用。 形参和实参的功能是作数据传送。发生函数调用时， 主调函数把实参的值传送给被调函数的形参从而实现主调函数向被调函数的数据传送。
1、形参变量只有在被调用时才分配内存单元，在调用...
C/C++获取Windows的CPU、内存、硬盘使用率 - C/C++ - 清泛网 - 专注C/C++及内核技术
...中逻辑驱动器的数量，函数返回的是一个32位无符号整型数据。
while (DiskInfo)//通过循环操作查看每一位数据是否为1，如果为1则磁盘为真,如果为0则磁盘不存在。
{
if (DiskInfo & 1)//通过位运算的逻辑与操作，判断是否...
安装SQL Server出现在创建窗口句柄之前，不能在控件上调用 Invoke 或 Begin...
安装SQL Server出现在创建窗口句柄之前，不能在控件上调用 Invoke 或 BeginInvoke的错误解决办法解决方法:kill掉msdtc exe进程即可，见下图。
SQL 句柄 控件 错误