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Purpose of memory alignment

...y you have a struct in memory that looks like this: struct mystruct { char c; // one byte int i; // four bytes short s; // two bytes } On a 32-bit processor it would most likely be aligned like shown here: The processor can read each of these members in one transaction. Say you...
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CSS selector for text input fields?

How can I target input fields of type 'text' using CSS selectors? 9 Answers 9 ...
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Samples of Scala and Java code where Scala code looks simpler/has fewer lines?

...rds (like books). Explanation: Input: List<String> Output: Map<Character, List<String>> The key of map is 'A' to 'Z' Each list in the map are sorted. Java: import java.util.*; class Main { public static void main(String[] args) { List<String> keywords = Arrays.as...
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Solving “Who owns the Zebra” programmatically?

... In Prolog, we can instantiate the domain just by selecting elements from it :) (making mutually-exclusive choices, for efficiency). Using SWI-Prolog, select([A|As],S):- select(A,S,S1),select(As,S1). select([],_). left_of(A,B,C):- append(_,[A,B|_],C). next_to(A,B,C):- l...
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Android: disabling highlight on listView click

... Add this to your xml: android:listSelector="@android:color/transparent" And for the problem this may work (I'm not sure and I don't know if there are better solutions): You could apply a ColorStateList to your TextView. ...
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How to shuffle a std::vector?

...zer.h" #include <iostream> using namespace std; int main (int argc, char* argv[]) { vector<int> v; v.push_back(1);v.push_back(2);v.push_back(3);v.push_back(4);v.push_back(5); v.push_back(6);v.push_back(7);v.push_back(8);v.push_back(9);v.push_back(10); Randomizer::get_in...
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How to get the index of an item in a list in a single step?

...g different (e.g. on top of any IEnumerable<>). Use the overload of Select which takes an index in the predicate, so you transform your list into an (index, value) pair: var pair = myList.Select((Value, Index) => new { Value, Index }) .Single(p => p.Value.Prop == oProp...
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How do you truncate all tables in a database using TSQL?

...' EXEC sp_MSforeachtable 'SET QUOTED_IDENTIFIER ON'; IF NOT EXISTS ( SELECT * FROM SYS.IDENTITY_COLUMNS JOIN SYS.TABLES ON SYS.IDENTITY_COLUMNS.Object_ID = SYS.TABLES.Object_ID WHERE SYS.TABLES.Object_ID = OBJECT_ID('?') AND SYS.IDENTITY_COLUMNS.Last_Val...
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ActiveRecord OR query

...here(t[:author].eq("Someone").or(t[:title].matches("%something%"))).to_sql SELECT "posts".* FROM "posts" WHERE (("posts"."author" = 'Someone' OR "posts"."title" LIKE '%something%')) share | ...
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Phonegap Cordova installation Windows

... settings on the left. Click Environment Variables under the Advanced tab. Select the PATH variable and click Edit. Copy the path mentioned above to the value field and press OK. share | improve t...