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Is there an equivalent to background-size: cover and contain for image elements?
I have a site with many pages and different background pictures, and I display them from CSS like:
14 Answers
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Remove blank lines with grep
...s very misleading. -e is a (POSIX-)definition for: This can be used to specify multiple search patterns, or to protect a pattern beginning with a hyphen (-). (from the manual). Grep already expects a (basic) regular expression by default. For this pattern, you may leave out -e entirely: grep -v '^[[...
JQuery .on() method with multiple event handlers to one selector
Trying to figure out how to use the Jquery .on() method with a specific selector that has multiple events associated with it. I was previously using the .live() method, but not quite sure how to accomplish the same feat with .on(). Please see my code below:
...
How to get names of enum entries?
...ollowing:
Enum member: 0
Enum member: 1
Enum member: bar
Enum member: foo
If you instead want only the member names, and not the values, you could do something like this:
for (var enumMember in myEnum) {
var isValueProperty = parseInt(enumMember, 10) >= 0
if (isValueProperty) {
conso...
Maximum size of an Array in Javascript
..., the maximum length of an array according to the ECMA-262 5th Edition specification is bound by an unsigned 32-bit integer due to the ToUint32 abstract operation, so the longest possible array could have 232-1 = 4,294,967,295 = 4.29 billion elements.
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How do you specify the date format used when JAXB marshals xsd:dateTime?
...ect ( XMLGregorianCalendar ) into an xsd:dateTime element. How can you specify the format of the resulting XML?
5 Answers
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Adding a regression line on a ggplot
...ary(fun.data=mean_cl_normal) +
geom_smooth(method='lm', formula= y~x)
If you are using the same x and y values that you supplied in the ggplot() call and need to plot linear regression line then you don't need to use the formula inside geom_smooth(), just supply the method="lm".
ggplot(data,ae...
How to check if a string is a valid JSON string in JavaScript without using Try/Catch
...
A comment first. The question was about not using try/catch.
If you do not mind to use it, read the answer below.
Here we just check a JSON string using a regexp, and it will work in most cases, not all cases.
Have a look around the line 450 in https://github.com/douglascrockford/JSON...
How to store arbitrary data for some HTML tags
...ta-internalid="1337"></div>
In XHTML, this is not really valid. If you are in XHTML 1.1 mode, the browser will probably complain about it, but in 1.0 mode, most browsers will just silently ignore it.
If I were you, I would follow the script based approach. You could make it automatically...
What is the purpose of backbone.js?
...way. i.e. it does not set data- attributes back onto the DOM elements. (So if your HTML had data- attributes when the page loaded, and they are changed, the DOM and the in-memory representation would be OOS - but you should be working with the in-mem data anyway)
– JoeBrockhaus...