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javac option to compile all java files under a given directory recursively
...istributed over several packages like this: com.vistas.util , com.vistas.converter , com.vistas.LineHelper , com.current.mdcontect .
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What is a singleton in C#?
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sure, i am NOT pointing you are wrong. i am giving a hint to the reader about thread-safety, so that they would be careful if they have to deal with it.
– Alagesan Palani
Apr 6 '15 at 17:18
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Why is it OK to return a 'vector' from a function?
...ause the array return will (if you write it in the simple form) return a pointer to the actual array on the stack, which is then promptly removed when the function returns.
But in this case, it works, because the std::vector is a class, and classes, like structs, can (and will) be copied to the ca...
Ways to synchronize interface and implementation comments in C# [closed]
Are there automatic ways to sync comments between an interface and its implementation?
I'm currently documenting them both and wouldn't like to manually keep them in sync.
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What's the point of malloc(0)?
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According to the specifications, malloc(0) will return either "a null pointer or a unique pointer that can be successfully passed to free()".
This basically lets you allocate nothing, but still pass the "artist" variable to a call to free() without worry. For practical purposes, it's pretty muc...
PHP: How to use array_filter() to filter array keys?
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PHP 5.6 introduced a third parameter to array_filter(), flag, that you can set to ARRAY_FILTER_USE_KEY to filter by key instead of value:
$my_array = ['foo' => 1, 'hello' => 'world'];
$allowed = ['foo', 'bar'];
$filtered = ar...
Replace multiple strings with multiple other strings
...r (as a string) is the 2nd parameter, n, to the lambda function.
The +n-1 converts the string to the number then 1 is subtracted to index the pets array.
The %number is then replaced with the string at the array index.
The /g causes the lambda function to be called repeatedly with each number whi...
How can I generate an ObjectId with mongoose?
...nerate a new new ObjectId
const newId2 = new mongoose.Types.ObjectId();
// Convert string to ObjectId
const newId = new mongoose.Types.ObjectId('56cb91bdc3464f14678934ca');
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Differences between Proxy and Decorator Pattern
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Fully agree Sir. I would convert that in other words what I meant was with Proxy Pattern, the proxy class can hide the detail information of an object from its client. Therefore, when using Proxy Pattern, we usually create an instance of abject insid...
Why does ReSharper tell me “implicitly captured closure”?
...le
protected override void OnLoad(EventArgs e)
{
base.OnLoad(e);
int i = 0;
Random g = new Random();
this.button1.Click += (sender, args) => this.label1.Text = i++.ToString();
this.button2.Click += (sender, args) => this.label1.Text = (g.Next() + i).ToString();
}
I get ...