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assert函数(python)
assert语句:用以检查某一条件是否为True,若该条件为False则会给出一个AssertionError。用法:assert type(x)=int and x>=0如果不满足后面的expression,则会弹出Traceback (most recent call last): File ....
分类:编程语言   时间:2014-09-15 19:16:59    阅读次数:599
This energy gives plasma its distinctive status
helps with stamping parts applicationsHowever, the cost of the software and hardware is often greater than the contents of most safes. This method is ...
分类:其他好文   时间:2014-09-13 11:58:55    阅读次数:234
Bootstrap(Web前端CSS框架)
官方定义:Bootstrap is the most popular HTML, CSS, and JS framework for developing responsive, mobile first projects on the web.即:Bootstrap 是最受欢迎的 HTML、CSS...
分类:Web程序   时间:2014-09-12 23:26:04    阅读次数:284
uva10085 The most distant state(BFS)
Problem A The Most Distant State Input: standard input Output: standard output   The 8-puzzle is a square tray in which eight square tiles are placed. The remaining ninth square is uncovered. Eac...
分类:其他好文   时间:2014-09-12 17:16:43    阅读次数:203
禁用与卸载Oracle AWR特性
AWR需要禁用?这么好的东东。缺省的情况下,AWR是可以使用的,需要耗用一定的sysaux表空间。但涉及到有关AWR相关的调试包(需要license)会访问AWR视图或者awr异常又不想更新patch,甚至没有patch可用的情况下,我们可以禁用AWR以及卸载AWR,本文演示了如果禁用AWR功能以及卸载awr相关的数据字典。1、禁用AWR的目的If most of the space in the...
分类:数据库   时间:2014-09-12 11:57:23    阅读次数:329
PHP 配置文件中open_basedir选项作用
如下是php.ini中的原文说明以及默认配置: ; open_basedir, if set, limits all file operations to the defined directory ; and below. This directive makes most sense if used in a per-directory or ; per-...
分类:Web程序   时间:2014-09-11 17:39:22    阅读次数:209
pycharm 安装第三方库失败
刚好安装了pycharm,打算用这个ide来开发python,所以新建了一个django的工程,但是提示django的第三方库安装失败。真坑爹啊。 Exception: Traceback?(most?recent?call?last): ??File?"C:\Python27\lib\...
分类:其他好文   时间:2014-09-09 16:25:29    阅读次数:285
Entity Framework - Using Transactions or SaveChanges(false) and AcceptAllChanges()?
LINK With the Entity Framework most of the time SaveChanges() is sufficient. This creates a transaction, or enlists in any ambient transaction, and do...
分类:其他好文   时间:2014-09-09 11:59:48    阅读次数:160
Python Fundamental for Django
Strings>>> s = 'django is cool'>>> words = s.split()>>> words['django', 'is', 'cool']>>> ' '.join(words)'django is cool'>>> s.count('o')3>>> s.find('g...
分类:编程语言   时间:2014-09-09 11:27:48    阅读次数:224
Storm thrift获取性能数据报错及解决
我们想通过Storm提供的thrift接口来获取Toplogy的性能数据,比如emiited了多少,延迟是多少之类。但在使用Python开发过程中,发现getClusterInfo这个方法,会报错,thrift版本0.7,Storm版本为0.9.0.1,错误如下:Traceback (most re...
分类:其他好文   时间:2014-09-09 11:22:18    阅读次数:167
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