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Check if an element is a child of a parent
...you are only interested in the direct parent, and not other ancestors, you can just use parent(), and give it the selector, as in target.parent('div#hello').
Example: http://jsfiddle.net/6BX9n/
function fun(evt) {
var target = $(evt.target);
if (target.parent('div#hello').length) {
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what is the unsigned datatype?
...6 at 22:07
chux - Reinstate Monica
104k88 gold badges9797 silver badges196196 bronze badges
answered Jul 23 '09 at 13:48
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Using printf with a non-null terminated string
... string which is NOT null terminated and you know its exact size, so how can you print that string with printf in C? I recall such a method but I can not find out now...
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Does the ternary operator exist in R?
...2 1
> x <- ifelse(a==2, 1, 2)
> x
[1] 2 1 2
Just kidding, you can define c-style ?::
`?` <- function(x, y)
eval(
sapply(
strsplit(
deparse(substitute(y)),
":"
),
function(e) parse(text = e)
)[[2 - a...
Using sed and grep/egrep to search and replace
...k instead).
perl -i.bak -pe 's/\.jpg|\.png|\.gif/.jpg/
rather than intricate work in sed (if even possible there) or awk...
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How to create named and latest tag in Docker?
Supposed I have an image that I want to tag as 0.10.24 (in my case it's an image containing Node.js 0.10.24). I built that image using a Dockerfile and executing docker build and by providing a tag using the -t parameter.
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Assembly code vs Machine code vs Object code?
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Machine code is binary (1's and 0's) code that can be executed directly by the CPU. If you were to open a machine code file in a text editor you would see garbage, including unprintable characters (no, not those unprintable characters ;) ).
Object code is a portion of mac...
ObjectiveC Parse Integer from String
... this way:
[myStringContainingInt intValue];
It should be noted that you can also do:
myStringContainingInt.intValue;
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Are unused CSS images downloaded?
...t
FireFox: Doesn't
Safari: Doesn't
IE8: Doesn't
IE7: Doesn't
IE6: Unknown (Can someone test and comment?)
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InputStream from a URL
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Calling this method in UI thread in Android will raise an exception. Do it in a background thread. Use Bolts-Android
– Behrouz.M
Mar 6 '19 at 10:16
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