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What are the advantages of using a schema-free database like MongoDB compared to a relational databa
...ire several tables to properly represent in a relational db. This is especially useful if your data is immutable.
Deep query-ability. MongoDB supports dynamic queries on documents using a document-based query language that's nearly as powerful as SQL.
No schema migrations. Since MongoDB is schema-...
Age from birthdate in python
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That probably depends on your definition of "age". For all practical purposes a birthday is usually given as a date, not timezone-aware datetime (i.e., "born" is missing the details). Most people are not born at midnight sharp (so usually observe prematurely :-)), and when in a d...
How does tuple comparison work in Python?
...of the second tuple; if they are not equal (i.e. the first is greater or smaller than the second) then that's the result of the comparison, else the second item is considered, then the third and so on.
See Common Sequence Operations:
Sequences of the same type also support comparisons. In particula...
What are carriage return, linefeed, and form feed?
...as section separators. (It's uncommonly used in source code to divide logically independent functions or groups of functions.) Text editors can use this character when you "insert a page break". This is commonly escaped as \f, abbreviated FF, and has ASCII value 12 or 0x0C.
As control character...
How to remove padding around buttons in Android?
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I don't think this answer actually answers the original question at all. But I'm still glad I came across it because I couldn't figure out why my Button was still taking up so much space even after setting its android:background="@null". The fact that the...
Using fonts with Rails asset pipeline
...path(...). This helper does exactly the same thing but it's more clear.
Finally, use your font in your CSS like you declared it in the font-family part. If it was declared capitalized, you can use it like this:
font-family: 'Icomoon';
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How to make a .jar out from an Android Studio project
...Jar.dependsOn(deleteJar, build)
Expand gradle panel from right and open all tasks under yourlibrary->others. You will see two new tasks there -- createJar and deleteJar
Double click on createJar
Once the task run successfully, get your generated jar from path mentioned in createJar task i.e....
Eclipse ctrl+right does nothing
... kind of bug in the editor specifically (https://bugs.eclipse.org/bugs/show_bug.cgi?id=426557). Sometimes you can find that when you restart can't move with control+arrow in the editor but you can in other views like console window.
You can disable welcome screen ( in most eclipse based IDEs it's a...
Naming “class” and “id” HTML attributes - dashes vs. underlines [closed]
...roblem and you could run into the same issue later where you would accidentally access an HTML Object instead of a JavaScript one
One remark, you can still access the HTML objects through the (for example) window object by using window['message-text'];
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How can I handle R CMD check “no visible binding for global variable” notes when my ggplot2 syntax i
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Just another warning. aes_string does not allow you to use functions to manipulate the x and y values. Say that you would like to log transform y in which case aes_string(x = 'x.values', y='log(y.values)') of course doesn't work. I use these kind of transformations a...