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What is the most efficient way to store tags in a database?
... what is the most effective way to store tags so that they may be searched and filtered?
7 Answers
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How do I partially update an object in MongoDB so the new object will overlay / merge with the exist
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If I understand the question correctly, you want to update a document with the contents of another document, but only the fields that are not already present, and completely ignore the fields that are already set (even if to another valu...
Generate pdf from HTML in div using Javascript
.... In order to enable it to print HTML, you have to include certain plugins and therefore have to do the following:
Go to https://github.com/MrRio/jsPDF and download the latest Version.
Include the following Scripts in your project:
jspdf.js
jspdf.plugin.from_html.js
jspdf.plugin.split_text_to_si...
Multiple HttpPost method in Web API controller
...fine the following routes in WebApiConfig file.
// Controller Only
// To handle routes like `/api/VTRouting`
config.Routes.MapHttpRoute(
name: "ControllerOnly",
routeTemplate: "api/{controller}"
);
// Controller with ID
// To handle routes like `/api/VTRouting/1`
config.Rou...
When are you truly forced to use UUID as part of the design?
...ur major UUID versions:
Version 4 UUIDs are essentially just 16 bytes of randomness pulled from a cryptographically secure random number generator, with some bit-twiddling to identify the UUID version and variant. These are extremely unlikely to collide, but it could happen if a PRNG is used or if ...
Search text in stored procedure in SQL Server
...t (within SProcs), instead use of "sys.procedures" worked for me. I understand that Microsoft recommends the use of information_schema, however apparently this is not working for many, hence Microsoft should look into this issue.
– Eddie Kumar
Sep 18 '17 at 11:...
What is the easiest way to duplicate an activerecord record?
... Does this still work in Rails 3.1.0.beta? When I do q = p.clone, and then p == q, I get true back. On the other hand, if I use q = p.dup, I get false back when comparing them.
– Juno Woods
Feb 8 '11 at 2:10
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Ordering by the order of values in a SQL IN() clause
...is will do exactly what you want if you paste the ids into the IN() clause and the FIELD() function in the same order.
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Check if PHP session has already started
...a PHP file that is sometimes called from a page that has started a session and sometimes from a page that doesn't have session started. Therefore when I have session_start() on this script I sometimes get the error message for "session already started". For that I've put these lines:
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VC菜单命令详解(文件打开、保存与关闭) - C/C++ - 清泛网 - 专注C/C++及内核技术
...cument、the view、the document template object以及the associate string and menu resources之间的关系。
The Windows Application Object
在CWinApp派生类的Implement文件中会有类似CMyApp theApp的语句。theApp是一个全局变量,它就是启动MFC应用程序的机制所在...