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搭建高可用mongodb集群（二）—— 副本集 - 大数据 & AI - 清泛网 - 专注C/...
...est/replset/data
#进入mongodb文件夹
cd /data/mongodbtest
3、下载mongodb的安装程序包
wget http://fastdl.mongodb.org/linux/mongodb-linux-x86_64-2.4.8.tgz
注意linux生产环境不能安装32位的mongodb，因为32位受限于操作系统最大2G的文件限制。
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Rename multiple files in a directory in Python [duplicate]
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I have the same issue, where I want to replace the white space in any pdf file to a dash -.
But the files were in multiple sub-directories. So, I had to use os.walk().
In your case for multiple sub-directories, it could be something like this:
import os
for dpath, dnames, fnames in os.walk('/p...
Why does isNaN(“ ”) (string with spaces) equal false?
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To understand it better, please open Ecma-Script spec pdf on page 43 "ToNumber Applied to the String Type"
if a string has a numerical syntax, which can contain any number of white-space characters, it can be converted to Number type. Empty string evaluates to 0. Also the strin...
Formatting numbers (decimal places, thousands separators, etc) with CSS
...lity. Dressing and rendering should be client side unless we are serving a pdf ?
– mckenzm
Dec 30 '16 at 2:09
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How do you embed binary data in XML?
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I had this problem just last week. I had to serialize a PDF file and send it, inside an XML file, to a server.
If you're using .NET, you can convert a binary file directly to a base64 string and stick it inside an XML element.
string base64 = Convert.ToBase64String(File.ReadAllB...
How do I enlarge an EER Diagram in MySQL Workbench?
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Then ,you can also export a single page pdf. I prefer watching at the db as a big picture...
– giuseppe
Jan 14 '13 at 13:18
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Alternative for PHP_excel
...HTML / JSON / etc formats
KoolGrid xls spreadsheets only, but also doc and pdf
PHP_XLSXWriter OfficeOpenXML
PHP_XLSXWriter_plus OfficeOpenXML, fork of PHP_XLSXWriter
php_writeexcel xls only (looks like it's based on PEAR SEW)
spout OfficeOpenXML (xlsx) and CSV
Slamdunk/php-excel (xls only) looks lik...
Does Dart support enumerations?
...details at in this draft https://www.dartlang.org/docs/spec/EnumsTC52draft.pdf
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Java 理论与实践: 线程池与工作队列 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...并发实用程序，这个包应该用于 Java 开发工具箱 1.5 发行版。
结束语
线程池是组织服务器应用程序的有用工具。它在概念上十分简单，但在实现和使用一个池时，却需要注意几个问题，例如死锁、资源不足和wait() 及 notify(...
Comparison of full text search engine - Lucene, Sphinx, Postgresql, MySQL?
...e search server via HTTP (it can even return Json, Native PHP/Ruby/Python)
PDF, Word document indexing
Dynamic fields
Facets
Aggregate fields
Stop words, synonyms, etc.
More Like this...
Index directly from the database with custom queries
Auto-suggest
Cache Autowarming
Fast indexing (compare to MyS...