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PHP multidimensional array search by value

... You should also be able to do this without PHP 5.5 in a one liner using array_map in place of array_column. Just replace array_column($userdb, 'uid') with array_map(function($v){return $v['uid'];},$userdb) – Jesse Green Feb 2...
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What are valid values for the id attribute in HTML?

...n CSS or a double backslash in a selector string passed to jQuery. Think about how often you will have to escape a character in your stylesheets or code before you go crazy with periods and colons in ids. For example, the HTML declaration <div id="first.name"></div> is valid. You can se...
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Why are Python's 'private' methods not actually private?

...of their superclasses. It's not designed to prevent deliberate access from outside. For example: >>> class Foo(object): ... def __init__(self): ... self.__baz = 42 ... def foo(self): ... print self.__baz ... >>> class Bar(Foo): ... def __init__(se...
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How to compare times in Python?

...e done and there's also datetime.timedelta() , but I'm struggling to find out how to check if the current time ( datetime.datetime.now() ) is earlier, later or the same than a specified time (e.g. 8am) regardless of the date. ...
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how to hide a vertical scroll bar when not needed

... is contained in a div as I have jquery hint and wanted to use opacity without changing the border. There is a visible vertical scroll bar how I only want this displayed when I am typing in the text field and it goes beyond the container. I have tried overflow: auto; but does not work. ...
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How to prevent SIGPIPEs (or handle them properly)

...e your signal handling, so ignored signals are not ignored! Test your code outside a debugger to ensure the SIGPIPE no longer occurs. stackoverflow.com/questions/6821469/… – Jetski S-type Jan 19 '16 at 6:08 ...
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Most concise way to convert a Set to a List

...ring> l = new ArrayList<>(listOfTopicAuthors); Most concise without using an external library? – Brett Duncavage Oct 30 '14 at 19:37 ...
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How Do I Choose Between a Hash Table and a Trie (Prefix Tree)?

... how about accesing data from one structure vs the other? I'm thinking cache and location – Horia Toma Apr 14 '14 at 22:38 ...
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count vs length vs size in a collection

...prefer one over another. Usually you can get the best usage if you think about How would you describe the length/size/count of this element verbally to another person? length() implies that the element has a length. A string has a length. You say "a string is 20 characters long", right? So it has a...
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Flatten List in LINQ

... With query syntax: var values = from inner in outer from value in inner select value; share | improve this answer | follow | ...