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In Objective-C, how do I test the object type?
...isKindOfClass:[NSString class]]
Likewise, if you wanted to test myObject for a UIImageView:
[myObject isKindOfClass:[UIImageView class]]
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How to export all collections in MongoDB?
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For lazy people, use mongodump, it's faster:
mongodump -d <database_name> -o <directory_backup>
And to "restore/import" it (from directory_backup/dump/):
mongorestore -d <database_name> <directory_bac...
构建高并发高可用的电商平台架构实践 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...表为例；
对于访问数据库客户端来讲，需要根据用户的ID，定位到需要访问的数据；
数据切分算法，
根据用户的ID做hash操作，一致性Hash，这种方式存在失效数据的迁移问题，迁移时间内服务不可用
维护路由表，路由表中存...
How to scroll to specific item using jQuery?
... $container.scrollTop()
});
Here is a working example.
Documentation for scrollTop.
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Frontend tool to manage H2 database [closed]
... Use encrypted (SSL) connections
[-tcpPassword ] The password for shutting down a TCP server
[-tcpShutdown ""] Stop the TCP server; example: tcp://localhost:9094
[-tcpShutdownForce] Do not wait until all connections are closed
[-pg] Start the PG server
[-pgAllowOt...
AngularJS $location not changing the path
I'm having an issue with changing the URL of the page after a form has been submitted.
9 Answers
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NoSql Crash Course/Tutorial [closed]
...m here, Wikipedia, etc). This could be due to the lack of concrete and uniform definition of what it is (more of a paradigm than concrete implementation), but I'm struggling to wrap my head around how I would go about designing a system that would use it or how I would implement it in my system. I...
Check if string begins with something? [duplicate]
...n do like ^= to see if an id starts with something, and I tried using that for this, but it didn't work... Basically, I'm retrieving the url and I want to set a class for an element for pathnames that start in a certain way...
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setResult does not work when BACK button pressed
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You need to overide the onBackPressed() method and set the result before the call to superclass, i.e
@Override
public void onBackPressed() {
Bundle bundle = new Bundle();
bundle.putString(FIELD_A, mA.getText().toString());
Intent mIntent = new Intent();
mIntent.putExtras(...
Parse DateTime string in JavaScript
Does anyone know how to parse date string in required format dd.mm.yyyy ?
9 Answers
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