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How do I create a URL shortener?
...d a inverse function g('abc') = 123 for your f(123) = 'abc' function. This means:
There must be no x1, x2 (with x1 ≠ x2) that will make f(x1) = f(x2),
and for every y you must be able to find an x so that f(x) = y.
How to convert the ID to a shortened URL
Think of an alphabet we want to use....
How to specify an area name in an action link?
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How does this look like translated into link? I mean - when form is rendered and returned to the client.
– FrenkyB
Jul 25 '17 at 6:28
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What does [ N … M ] mean in C aggregate initializers?
...', 'https%3a%2f%2fstackoverflow.com%2fquestions%2f10071304%2fwhat-does-n-m-mean-in-c-aggregate-initializers%23new-answer', 'question_page');
}
);
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What is the difference between and ?
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<section> means that the content inside is grouped (i.e. relates to a single theme), and should appear as an entry in an outline of the page.
<div>, on the other hand, does not convey any meaning, aside from any found in its clas...
How to submit form on change of dropdown list?
...load of CSS to make it look like a true dropdown list. But then there's no means of a <select> anymore.
– BalusC
Oct 9 '13 at 18:51
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How to customize a Spinner in Android
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in the first code snipped do you mean android:height="1dp" in line 6?
– Willi Mentzel
Jun 29 '16 at 13:25
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Generate GUID in MySQL for existing Data?
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Looks like a simple typo. Didn't you mean "...where columnId is null"?
UPDATE db.tablename
SET columnID = UUID()
where columnID is null
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How to prevent custom views from losing state across screen orientation changes
...y and not assigning unique ids.
The link shared by mato will work, but it means none of the individual Views manage their own state - the entire state is saved in the ViewGroup methods.
The problem is that when multiple of these ViewGroups are added to a layout, the ids of their elements from the ...
What is the colon operator in Ruby?
...agically made into constants. Alternatively, you can consider the colon to mean "the thing named", so :id is "the thing named id".
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