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Multiple columns index when using the declarative ORM extension of sqlalchemy
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Objective-C and Swift URL encoding
...tle more work.
Example code
iOS7 and above:
NSString *unescaped = @"http://www";
NSString *escapedString = [unescaped stringByAddingPercentEncodingWithAllowedCharacters:[NSCharacterSet URLHostAllowedCharacterSet]];
NSLog(@"escapedString: %@", escapedString);
NSLog output:
escapedString:...
How to print to console in pytest?
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What is the use of having destructor as private?
...ctor, i.e., you want the object to only be destroyed through other means.
http://blogs.msdn.com/larryosterman/archive/2005/07/01/434684.aspx gives an example, where the object is reference counted and should only be destroyed by the object itself when count goes to zero.
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sqlalchemy: how to join several tables by one query?
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getenv() vs. $_ENV in PHP
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How to list branches that contain a given commit?
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How to get HTTP Response Code using Selenium WebDriver
I have written tests with Selenium2/WebDriver and want to test if HTTP Request returns an HTTP 403 Forbidden.
9 Answers
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搭建高可用mongodb集群（四）—— 分片 - 大数据 & AI - 清泛网 - 专注C/C++及内核技术
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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
#解压下载的压缩包
tar xvzf mongodb-linux-x86_64-2.4.8.tgz
4、分别在每台机器建立mongos 、config 、 shard1 、shard2、shard3 五个目录。...
How do I do an OR filter in a Django query?
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This might be useful https://docs.djangoproject.com/en/dev/topics/db/queries/#spanning-multi-valued-relationships
Basically it sounds like they act as OR
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