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Implementing INotifyPropertyChanged - does a better way exist?
...er with C# 5:
protected bool SetField<T>(ref T field, T value,
[CallerMemberName] string propertyName = null)
{...}
which can be called like this:
set { SetField(ref name, value); }
with which the compiler will add the "Name" automatically.
C# 6.0 makes the implementation easier:
protec...
is it possible to change values of the array when doing foreach in javascript?
...
The callback is passed the element, the index, and the array itself.
arr.forEach(function(part, index, theArray) {
theArray[index] = "hello world";
});
edit — as noted in a comment, the .forEach() function can take a second...
MySQL ON vs USING?
... far as I can tell, USING() is just more convenient syntax, whereas ON allows a little more flexibility when the column names are not identical. However, that difference is so minor, you'd think they'd just do away with USING() .
...
When to add what indexes in a table in Rails
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Should I add "index" to all the foreign keys like "xxx_id"?
It would be better, because it accelerates the search in sorting in this column. And Foreign keys are something searched for a lot.
Since Version 5 of rails the index will be created aut...
How to display a dynamically allocated array in the Visual Studio debugger?
If you have a statically allocated array, the Visual Studio debugger can easily display all of the array elements. However, if you have an array allocated dynamically and pointed to by a pointer, it will only display the first element of the array when you click the + to expand it. Is there an eas...
Is null an Object?
...is only an object if it is equal to or subclasses java.lang.Object. Practically - yes. You can't create a class that is not a subclass of java.lang.Object, but I never thought about it from a more philosophical point of view
– Andreas Dolk
Dec 12 '09 at 22:23
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Type or namespace name does not exist [closed]
...ata Service project built with Visual Studio 2010, which was working fine. All of a sudden, it didn't compile anymore. It was giving me messages like:
...
Decimal number regular expression, where digit after decimal is optional
...r);
\d* - 0 or more digits (the decimal part);
$ - End of the line.
This allows for .5 decimal rather than requiring the leading zero, such as 0.5
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Vertically centering Bootstrap modal window
...modal fade" id="myModal" tabindex="-1" role="dialog" aria-labelledby="myModalLabel" aria-hidden="true">
<div class="vertical-alignment-helper">
<div class="modal-dialog vertical-align-center">
<div class="modal-content">
<div class="mod...
TypeScript and field initializers
...hink its worth repeating. Your bob is of the type Person, but it is not at all an instance of Person. Imagine that Person actually would be a class with a complex constructor and a bunch of methods, this approach would fall flat on its face. It's good that a bunch of people found your approach usefu...