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Why is it recommended to have empty line in the end of a source file?
Some code style tools recommend this and I remember seeing some unix command line tools warning about missing empty line.
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Is there a float input type in HTML5?
According to html5.org , the "number" input type's "value attribute, if specified and not empty, must have a value that is a valid floating point number."
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How can I determine if a JavaScript variable is defined in a page? [duplicate]
How can i check in JavaScript if a variable is defined in a page? Suppose I want to check if a variable named "x" is defined in a page, if I do if(x != null) , it gives me an error.
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node.js, Error: Cannot find module 'express'
... I got stuck on my very first sample code and need some help to get it running. Before I post this question, I did search on stack overflow, found some similar questions but still could not fix it.
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Find size of an array in Perl
I seem to have come across several different ways to find the size of an array. What is the difference between these three methods?
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What are the possible values of the Hibernate hbm2ddl.auto configuration and what do they do
...he database.
update: update the schema.
create: creates the schema, destroying previous data.
create-drop: drop the schema when the SessionFactory is closed explicitly, typically when the application is stopped.
none: does nothing with the schema, makes no changes to the database
These options seem...
Input widths on Bootstrap 3
Update again: I am closing this question by selecting the top answer to keep people from adding answers without really understanding the question. In reality there is no way to do it with the build in functionality without using grid or adding extra css. Grids do not work well if you are dealing wi...
Stretch and scale a CSS image in the background - with CSS only
I want that my background image stretch and scale depending on the browser viewport size.
22 Answers
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How to search in array of object in mongodb
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The right way is:
db.users.find({awards: {$elemMatch: {award:'National Medal', year:1975}}})
$elemMatch allows you to match more than one component within the same array element.
Without $elemMatch mongo will look for users with National Medal in som...
Java project in Eclipse: The type java.lang.Object cannot be resolved. It is indirectly referenced f
I am getting the following error after importing a project in Eclipse:
23 Answers
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