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Replace a value if null or undefined in JavaScript
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Using ping in c#
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How to reverse apply a stash?
I have a small patch saved away in my git stash. I've applied it to my working copy using git stash apply . Now, I'd like to back out those changes by reverse applying the patch (kind of like what git revert would do but against the stash).
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Never seen before C++ for loop
I was converting a C++ algorithm to C#.
I came across this for loop:
12 Answers
12
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How to inspect Javascript Objects
How can I inspect an Object in an alert box? Normally alerting an Object just throws the nodename:
8 Answers
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How to split a sequence into two pieces by predicate?
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What's the difference between an id and a class?
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ids must be unique where as class can be applied to many things. In CSS, ids look like #elementID and class elements look like .someClass
In general, use id whenever you want to refer to a specific element and class when you have a number of things that are all alik...
Using NSPredicate to filter an NSArray based on NSDictionary keys
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“Rate This App”-link in Google Play store app on the phone
...tyNotFoundException e)
{
Intent rateIntent = rateIntentForUrl("https://play.google.com/store/apps/details");
startActivity(rateIntent);
}
}
private Intent rateIntentForUrl(String url)
{
Intent intent = new Intent(Intent.ACTION_VIEW, Uri.parse(String.format("%s?id=%s", ur...
Calculate distance between two latitude-longitude points? (Haversine formula)
How do I calculate the distance between two points specified by latitude and longitude?
41 Answers
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