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What is the best way to test for an empty string with jquery-out-of-the-box?
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Based on David's answer I personally like to check the given object first if it is a string at all. Otherwise calling .trim() on a not existing object would throw an exception:
function isEmpty(value) {
return typeof value == 'string' && !value.t...
How to avoid “ConcurrentModificationException” while removing elements from `ArrayList` while iterat
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Use an Iterator and call remove():
Iterator<String> iter = myArrayList.iterator();
while (iter.hasNext()) {
String str = iter.next();
if (someCondition)
iter.remove();
}
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How to check Google Play services version?
...my application, I need to check Google Play services version (which is installed in user's device). Is it possible ? And if yes, how can I do that? I searched Google but I could not find anything!
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IIS does not list a website that matches the launch url
...ny problems (prior to that i got error messages stating that i have to manually adjust these)
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Center image horizontally within a div
...age are not working I thought I would ask. How can I center align (horizontally) an image inside its container div?
21 Answ...
Disable vertical scroll bar on div overflow: auto
Is it possible to allow only a horizontal scroll bar when using overflow:auto (or scroll)?
8 Answers
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Rails: Using greater than/less than with a where statement
I'm trying to find all Users with an id greater than 200, but I'm having some trouble with the specific syntax.
9 Answers
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Smallest data URI image possible for a transparent image
... Why is the shorter one "unstable"? I see that it does occasionally cause a black image, I'm just curious if anyone knows why.
– jvenema
Dec 9 '15 at 18:05
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favicon.png vs favicon.ico - why should I use PNG instead of ICO?
...updates and notes from various others in this thread:
ICOs and PNGs both allow full alpha channel based transparency
ICO allows for backwards compatibility to older browsers (e.g. IE6)
PNG probably has broader tooling support for transparency, but you can find tools to create alpha-channel ICOs as...
Peak signal detection in realtime timeseries data
...andard deviations away from some moving mean, the algorithm signals (also called z-score). The algorithm is very robust because it constructs a separate moving mean and deviation, such that signals do not corrupt the threshold. Future signals are therefore identified with approximately the same accu...