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Laravel 4 Eloquent Query Using WHERE with OR AND OR?
... ->orWhere('d', '=', $d);
})->get();
Will produce a query like:
SELECT * FROM <table> WHERE (a='foo' or b='bar') AND (c='john' or d='doe');
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Iterating C++ vector from the end to the beginning
...;
i != my_vector.rend(); ++i ) {
}
rbegin()/rend() were especially designed for that purpose. (And yes, incrementing a reverse_interator moves it backward.)
Now, in theory, your method (using begin()/end() & --i) would work, std::vector's iterator being bidirectional, but remember,...
Group by with multiple columns using lambda
....Key.Country == "Ireland" && a.Key.Gender == "M")
.SelectMany(a => a)
.ToList();
Where CustomerGroupingKey takes the group keys:
private class CustomerGroupingKey
{
public CustomerGroupingKey(string country, string gender)
{
...
How do you add multi-line text to a UIButton?
... do these two things:
choose "Attributed Text"
on the "Line Break" popup select "Word Wrap"
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How to find time complexity of an algorithm
...on is proportional to the square of the input size.
Examples:
Bubble Sort
Selection Sort
Insertion Sort
7. Some Useful links
Big-O Misconceptions
Determining The Complexity Of Algorithm
Big O Cheat Sheet
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Missing include “bits/c++config.h” when cross compiling 64 bit program on 32 bit in Ubuntu
...ying to cross compile to a 64 bit target. Based on my research, I have installed the g++-multilib package.
8 Answers
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Which is more efficient, a for-each loop, or an iterator?
...
If you are just wandering over the collection to read all of the values, then there is no difference between using an iterator or the new for loop syntax, as the new syntax just uses the iterator underwater.
If however, you mean by loop the old "c-style" loop:
for(int i=0; i&l...
How to manually trigger validation with jQuery validate?
... i have query like this if ($('#myElem').val()=='2017-4-12'){ date selection wrong }else{ valid selection}
– srinivas gowda
Apr 12 '17 at 9:51
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Str_replace for multiple items
...aracter like this: str_replace(':', ' ', $string); but I want to replace all the following characters \/:*?"<>| , without doing a str_replace for each.
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Call ASP.NET function from JavaScript?
... Page.ClientID %>';
__doPostBack(pageId, argumentString);
This will call the 'RaisePostBackEvent' method in your code file with the 'eventArgument' as the 'argumentString' you passed from the JavaScript. Now, you can call any other event you like.
P.S: That is 'underscore-underscore-doPostBac...