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How to sum up an array of integers in C#
...If you don't prefer LINQ, it is better to use foreach loop to avoid out of index.
int[] arr = new int[] { 1, 2, 3 };
int sum = 0;
foreach (var item in arr)
{
sum += item;
}
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Why doesn't margin:auto center an image?
... beautifully concise article on the matter - phrogz.net/css/vertical-align/index.html
– TheDeadMedic
Jun 10 '10 at 14:33
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Get selected text from a drop-down list (select box) using jQuery
...s like whether you put an ID on your control, and if not then based on the index of where they occur in the current level of the tree, etc)
– freefaller
Mar 9 '17 at 14:03
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Adding a background image to a element
... 674px;
padding: 0;
position: fixed;
top: 0;
width: 100%;
z-index: -1;
}
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in javascript, how can i get the last character in a string [duplicate]
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Use the charAt method. This function accepts one argument: The index of the character.
var lastCHar = myString.charAt(myString.length-1);
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Passing parameters in rails redirect_to
...ram_1: 'value_1', param_2: 'value_2')
or
#if its a collection action like index, you can omit the id as follows
redirect_to action_name_resource_path(param_1: 'value_1', param_2: 'value_2')
#An example with nested resource is as follows:
redirect_to edit_user_project_path(@user, @project, param_1:...
Best way to pretty print a hash
...f you can install a gem. (Depending on your users, you may wish to use the index:false option to turn off displaying array indices.)
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Java, Simplified check if int array contains int
...defined as the point at which the key would be inserted into the list: the index of the first element greater than the key, or list.size() if all elements in the list are less than the specified key.". Need to say >= 0.
– Brian
Apr 25 '14 at 13:14
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Get characters after last / in url
...,'/') + 1 : 0));
// VERSION 2 - explode, reverse the array, get the first index.
echo current(array_reverse(explode('/',$var)));
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Why does (i
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can you please explain, why != is checking for the memory index of reference objects and <= is checking for the un-boxed value of Integer ??.. why there is such difference between these operator ?
– Punith Raj
Sep 14 '13 at 18:02
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