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MySQL Cannot drop index needed in a foreign key constraint
...n key might not be as obvious. To find all foreign keys related to a table and column, you can use this query: dba.stackexchange.com/questions/102371/…
– charlax
Jun 12 '19 at 14:54
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Draw radius around a point in Google map
I'm using the Google Maps API and have added markers. Now I want to add a 10 mile radius around each marker, meaning a circle that behaves appropriately while zooming. I have no idea how to do that and it seems it's not something common.
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How to initialize a two-dimensional array in Python?
I'm beginning python and I'm trying to use a two-dimensional list, that I initially fill up with the same variable in every place. I came up with this:
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What is the easiest/best/most correct way to iterate through the characters of a string in Java?
StringTokenizer ? Convert the String to a char[] and iterate over that? Something else?
15 Answers
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In C++, if throw is an expression, what is its type?
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According to the standard, 5.16 paragraph 2 first point, "The second or the third operand (but not both) is a throw-expression (15.1); the result is of the type of the other and is an rvalue." Therefore, the conditional operator doesn't care w...
No Swipe Back when hiding Navigation Bar in UINavigationController
...pan swipe back gesture . I can write custom gestures but I prefer not to and to rely on the UINavigationController back swipe gesture instead.
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Make var_dump look pretty
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Note that echo, var_export, and highlight_string are all php functions and need to be inside a <?php ?> block. Yes even though the highlight_string function line has a <?php ?> pair inside, a pair is needed around the outside as well.
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Difference between no-cache and must-revalidate
...st-Modified, the agent has nothing to use to validate what it has in cache and must download the whole payload again. So when the RFC says "revalidate" that probably means, re-fetch.
– Luke Puplett
Nov 13 '13 at 11:55
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CSS Pseudo-classes with inline styles
...g the delimiting braces), whose formal grammar is given below in the terms and conventions of the CSS core grammar:
declaration-list
: S* declaration? [ ';' S* declaration? ]*
;
Neither selectors (including pseudo-elements), nor at-rules, nor any other CSS construct are allowed.
Think of inlin...
Compare version numbers without using split function
... @dev_Boston only one exception...just do with these values v1=1.0001 and v2=1.1 .it gives me equal.
– Sankar M
Sep 27 '11 at 11:31
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