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Best way to create an empty map in Java
...lly figure out what kind of Map is needed (this is called type inference). For example, consider a method declared like this:
public void foobar(Map<String, String> map){ ... }
When passing the empty Map directly to it, you have to be explicit about the type:
foobar(Collections.emptyM...
Is it possible to set transparency in CSS3 box-shadow?
...
I suppose rgba() would work here. After all, browser support for both box-shadow and rgba() is roughly the same.
/* 50% black box shadow */
box-shadow: 10px 10px 10px rgba(0, 0, 0, 0.5);
div {
width: 200px;
height: 50px;
line-height: 50px;
text-align: center;...
how to append a list object to another
... Are either of these operations O(1)?
– Chris Redford
Mar 12 '13 at 20:46
2
I guess splice sh...
jQuery callback for multiple ajax calls
...h ajax call does a distinct operation and returns back data that is needed for a final callback. The calls themselves are not dependent on one another, they can all go at the same time, however I would like to have a final callback when all three are complete.
...
How to validate an Email in PHP?
...
return filter_var($email, FILTER_VALIDATE_EMAIL) !== false;
}
Note: For other uses (where you need Regex), the deprecated ereg function family (POSIX Regex Functions) should be replaced by the preg family (PCRE Regex Functions). There are a small amount of differences, reading the Manual shou...
Find a Pull Request on Github where a commit was originally created
Pull Requests are great for understanding the larger thinking around a change or set of changes made to a repo. Reading pull requests are a great way to quickly "grok" a project as, instead of small atomic changes to the source, you get larger groupings of logical changes. Analogous to organizing th...
iOS 7's blurred overlay effect using CSS?
...oted, the filter only blurs an element and it's children. It can't be used for an overlay to blur parent elements or adjacent elements, so the iOS 7 effect is not possible with CSS.
– Jason
Jun 14 '13 at 23:01
...
Reorder bars in geom_bar ggplot2
...ou want to order the bars from high to low, you will have to add a -sign before value:
ggplot(corr.m, aes(x = reorder(miRNA, -value), y = value, fill = variable)) +
geom_bar(stat = "identity")
which gives:
Used data:
corr.m <- structure(list(miRNA = structure(c(5L, 2L, 3L, 6L, 1L, 4L...
How to retrieve Request Payload
...just passing json data through the http body, instead of application/x-www-form-urlencoded data.
You can fetch this data with this snippet:
$request_body = file_get_contents('php://input');
If you are passing json, then you can do:
$data = json_decode($request_body);
$data then contains the j...
'uint32_t' identifier not found error
I'm porting code from Linux C to Visual C++ for windows.
7 Answers
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