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What are naming conventions for MongoDB?
...ty much the same rules that apply to relation databases should apply here. And after so many decades there is still no agreement whether RDBMS tables should be named singular or plural...
MongoDB speaks JavaScript, so utilize JS naming conventions of camelCase.
MongoDB official documentation mention...
How to change the playing speed of videos in HTML5?
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According to this site, this is supported in the playbackRate and defaultPlaybackRate attributes, accessible via the DOM. Example:
/* play video twice as fast */
document.querySelector('video').defaultPlaybackRate = 2.0;
document.querySelector('video').play();
/* now play three times ...
Using a Single Row configuration table in SQL Server database. Bad idea?
...ping a shopping cart application I've found that I needed to save settings and configurations based on the administrator's preferences and requirements. This information can be anything from company information, Shipping account IDs, PayPal API keys, notification preferences, etc.
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What scalability problems have you encountered using a NoSQL data store? [closed]
...relational data stores that break with the history of relational databases and ACID guarantees. Popular open source NoSQL data stores include:
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Order of event handler execution
If I set up multiple event handlers, like so:
10 Answers
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String formatting named parameters?
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In Python 2.6+ and Python 3, you might choose to use the newer string formatting method.
print('<a href="{0}">{0}</a>'.format(my_url))
which saves you from repeating the argument, or
print('<a href="{url}">{url}</a&...
How to draw a rounded Rectangle on HTML Canvas?
...od to draw a rectangle with rounded corners.
How about using the lineTo() and arc() methods?
You can also use the quadraticCurveTo() method instead of the arc() method.
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Variable declaration in a C# switch statement [duplicate]
... switch statement. Other reasons include having to break; after each case, and that there's no equivalent for things like Case 1, 2, 3, Case 4 To 10, or Case Is > 10.
– 41686d6564
Sep 20 '18 at 14:04
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Get the subdomain from a URL
...etc.
Keep in mind that there are top level domains, second level domains, and subdomains. Technically speaking, everything except the TLD is a subdomain.
In the domain.com.uk example, "domain" is a subdomain, "com" is a second level domain, and "uk" is the TLD.
So the question remains more compl...
How to assign colors to categorical variables in ggplot2 that have stable mapping?
...ata frames can become tedious if they are being pulled from separate files and not all factor levels appear in each file.
One way to address this is to create a custom manual colour scale as follows:
#Some test data
dat <- data.frame(x=runif(10),y=runif(10),
grp = rep(LETTERS[1:5],each ...