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Magic number in boost::hash_combine
The boost::hash_combine template function takes a reference to a hash (called seed ) and an object v . According to the docs , it combines seed with the hash of v by
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Global variables in AngularJS
...alue. The problem with it is that the controller that initialises it, gets called again by angular some how and then resets the variable back to its initial value.
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How to horizontally center a
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You can apply this CSS to the inner <div>:
#inner {
width: 50%;
margin: 0 auto;
}
Of course, you don't have to set the width to 50%. Any width less than the containing <div> will work. The margin: 0 auto is what does the actual centering.
If you are targeting Internet...
How do I typedef a function pointer with the C++11 using syntax?
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It has a similar syntax, except you remove the identifier from the pointer:
using FunctionPtr = void (*)();
Here is an Example
If you want to "take away the uglyness", try what Xeo suggested:
#include <type_traits>
using FunctionPtr = std::add_pointer<void(...
How do I get a distinct, ordered list of names from a DataTable using LINQ?
...lumn. I want to generate a collection of the unique names ordered alphabetically. The following query ignores the order by clause.
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.NET List Concat vs AddRange
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The big difference is that AddRange mutates that list against which it is called whereas Concat creates a new List. Hence they have different uses.
Also Concat is an extension method that applies to any IEnumerable and returns an IEnumerable you need a .ToList() to result in a new List.
If you ...
How to run a command before a Bash script exits?
... receives signal(s) sigspec.
So, as indicated in Anon.'s answer, call trap early in the script to set up the handler you desire on ERR.
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How to use greater than operator with date?
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In your statement, you are comparing a string called start_date with the time.
If start_date is a column, it should either be
SELECT * FROM `la_schedule` WHERE start_date >'2012-11-18';
(no apostrophe)
or
SELECT * FROM `la_schedule` WHERE `start_date` &g...
How can I submit a form using JavaScript?
I have a form with id theForm which has the following div with a submit button inside:
10 Answers
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MySQL Delete all rows from table and reset ID to zero
...ete all rows from a table but when I add a new row, I want the primary key ID, which has an auto increment, to start again from 0 respectively from 1.
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