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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
...中可以看到有四个组件：mongos、config server、shard、replica set。
mongos，数据库集群请求的入口，所有的请求都通过mongos进行协调，不需要在应用程序添加一个路由选择器，mongos自己就是一个请求分发中心，它负责把对应的数据请...
Decreasing height of bootstrap 3.0 navbar
...sn't work... check my answer on this page... the min-height for .navbar is set to 50px by default, so if you set the height to 28px it will be overridden by the 50px min-height...
– patrick
Nov 2 '13 at 0:04
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ConnectionTimeout versus SocketTimeout
...this only works with connections where data is received all the time.
By setting socket timeout to 1 this would require that every millisecond new data is received (assuming that you read the data block wise and the block is large enough)!
If only the incoming stream stalls for more than a milli...
Deploying my application at the root in Tomcat
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If Tomcat is set to autodeploy, you don't have to worry about option 2.
– Buhake Sindi
Mar 16 '11 at 16:54
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How do you set up use HttpOnly cookies in PHP
How can I set the cookies in my PHP apps as HttpOnly cookies ?
10 Answers
10
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MySQL stored procedure vs function, which would I use when?
...stored procedure (not functions) is that a procedure can generate a result set, or even multiple result sets, which the caller processes the same way as the result of a SELECT statement. However, the contents of such result sets cannot be used directly in expression.
Stored routines (referring to b...
What is a Context Free Grammar?
...specifically, they describe formal languages.
A formal language is just a set (mathematical term for a collection of objects) of strings (sequences of symbols... very similar to the programming usage of the word "string"). A simple example of a formal language is the set of all binary strings of le...
How to make a HTML Page in A4 paper size page(s)?
...aper), as opposed to continuous media (think scrollbars). Style sheets can set the size of pages and their margins. Page templates can be given names and elements can state which named page they want to be printed on. Also, elements in the source document can force page breaks. Here is a snippet fro...
How do I pre-populate a jQuery Datepicker textbox with today's date?
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This is concise and does the job (obsolete):
$(".date-pick").datepicker('setDate', new Date());
This is less concise, utilizing chaining allows it to work in chrome (2019-06-04):
$(".date-pick").datepicker().datepicker('setDate', new Date());
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How to set the margin or padding as percentage of height of parent container?
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Also possible to add a 'spacer' div with a set percentage height. Seems little dirty but it works. see this answer.
– WCByrne
Jul 29 '15 at 15:38
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