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Database Structure for Tree Data Structure
... using the employee ID to link an employee to their supervisor. This is usually a sub-optimal approach. An approach that often works better is to model the org structure separate from employees themselves, and maintain the employee as an attribute of the structure. This way, when an employee leaves ...
Reading and writing binary file
... std::ifstream input( "C:\\Final.gif", std::ios::binary );
// copies all data into buffer
std::vector<unsigned char> buffer(std::istreambuf_iterator<char>(input), {});
}
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Automatically expanding an R factor into a collection of 1/0 indicator variables for every factor le
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And if you want to convert all factor columns, you can use: model.matrix(~., data=iris)[,-1]
– user890739
Jan 5 '16 at 0:32
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How to adjust text font size to fit textview
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The solution below incorporates all of the suggestions here. It starts with what was originally posted by Dunni. It uses a binary search like gjpc's, but it is a bit more readable. It also include's gregm's bug fixes and a bug-fix of my own.
import android...
How to discover number of *logical* cores on Mac OS X?
...id-2011 1.7GHz MacBook Air, this command says 4. However, I suspected it really only has 2 cores, and system_profiler SPHardwareDataType seems to agree. Can you explain the discrepancy?
– Joshua Flanagan
Sep 24 '11 at 1:42
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Date only from TextBoxFor()
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This is the best answer for MVC4 - it allows me to use jquery UI datepicker and formats the selection doing this:@Html.TextBoxFor(m => m.SomeDate, "{0:MM/dd/yyyy}", new { @id="datepicker" })
– ericb
Apr 14 '13 at 18:46
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How to delete an element from an array in C#
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If you want to remove all instances of 4 without needing to know the index:
LINQ: (.NET Framework 3.5)
int[] numbers = { 1, 3, 4, 9, 2 };
int numToRemove = 4;
numbers = numbers.Where(val => val != numToRemove).ToArray();
Non-LINQ: (.NET Fra...
Is it possible to remove inline styles with jQuery?
...them; I want the stylesheet to take back control.
I could do it by storing all of its original values and then putting them back inline, but this solution feels much cleaner to me.
Here it is in plugin format:
(function($)
{
$.fn.removeStyle = function(style)
{
var search = new R...
String.replaceAll single backslashes with double backslashes
...he String \something\ into the String \\something\\ using replaceAll , but I keep getting all kinds of errors. I thought this was the solution:
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When converting a project to use ARC what does “switch case is in protected scope” mean?
...en a while, but I seem to remember something in the C standard that didn't allow variable assignment after a case statement because the code is not really inside of a block. By adding curly braces {...} after the case and before the break, everything inside is in a scoped block and will behave as e...