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Can you nest html forms?
Is it possible to nest html forms like this
20 Answers
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git push says “everything up-to-date” even though I have local changes
I have a remote gitosis server and a local git repository, and each time I make a big change in my code, I'll push the changes to that server too.
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Is PHP's count() function O(1) or O(n) for arrays?
Does count() really count the all the elements of a PHP array, or is this value cached somewhere and just gets retrieved?
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Why is using the rails default_scope often recommend against?
...e on the internet people mention that using the rails default_scope is a bad idea, and the top hits for default_scope on stackoverflow are about how to overwrite it. This feels messed up, and merits an explicit question (I think).
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Immutable vs Unmodifiable collection
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An unmodifiable collection is often a wrapper around a modifiable collection which other code may still have access to. So while you can't make any changes to it if you only have a reference to the unmodifiable collection, you can't rely on the content...
Better way to check variable for null or empty string?
Since PHP is a dynamic language what's the best way of checking to see if a provided field is empty?
10 Answers
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How can I check a C# variable is an empty string “” or null? [duplicate]
...lest way to do a check. I have a variable that can be equal to "" or null. Is there just one function that can check if it's not "" or null?
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How do I declare and initialize an array in Java?
...[] myIntArray = IntStream.of(12,25,36,85,28,96,47).toArray(); // The order is preserved.
int [] myIntArray = IntStream.of(12,25,36,85,28,96,47).sorted().toArray(); // Sort
For classes, for example String, it's the same:
String[] myStringArray = new String[3];
String[] myStringArray = {"a", "b", ...
Cryptic “Script Error.” reported in Javascript in Chrome and Firefox
...pt that's hosted on a domain other than the domain of the current page.
This behavior is intentional, to prevent scripts from leaking information to external domains. For an example of why this is necessary, imagine accidentally visiting evilsite.com, that serves up a page with <script src="you...
CSS two divs next to each other
...want to put two <div> s next to each other. The right <div> is about 200px; and the left <div> must fill up the rest of the screen width? How can I do this?
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