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Why use bzero over memset?
...previous semester, we had to implement a basic client/server in C. When initializing the structs, like sock_addr_in , or char buffers (that we used to send data back and forth between client and server) the professor instructed us to only use bzero and not memset to initialize them. He never ...
Is it better to return null or empty collection?
...s.
This sucks:
if(myInstance.CollectionProperty != null)
{
foreach(var item in myInstance.CollectionProperty)
/* arrgh */
}
It is considered a best practice to NEVER return null when returning a collection or enumerable. ALWAYS return an empty enumerable/collection. It prevents the afore...
When should I use jQuery's document.ready function?
...cess a dom element (an anchor, an img etc), you will not be able to access it because html is interpreted from top to bottom and your html elements are not present when your jQuery code runs.
To overcome this problem, we place every jQuery/javascript code (which uses DOM) inside $(document).ready f...
Algorithm for Determining Tic Tac Toe Game Over
I've written a game of tic-tac-toe in Java, and my current method of determining the end of the game accounts for the following possible scenarios for the game being over:
...
Why is creating a new process more expensive on Windows than Linux?
... Linux. Is this true? Can somebody explain the technical reasons for why it's more expensive and provide any historical reasons for the design decisions behind those reasons?
...
How to use single storyboard uiviewcontroller for multiple subclass
Let say I have a storyboard that contains UINavigationController as initial view controller. Its root view controller is subclass of UITableViewController , which is BasicViewController . It has IBAction which is connected to right navigation button of the navigation bar
From there I woul...
When to use a key/value store such as Redis instead/along side of a SQL database?
...s about key/value stores such as Redis but I can't seem to figure out when it's time to use it in an application.
4 Answers...
The name 'InitializeComponent' does not exist in the current context
...
I've encountered this a couple times and keep forgetting what causes it.
I ran into this when I renamed the namespace on my code behind file but not in my XAML.
So check if you've done the same.
The namespace and class names need to match since they are both part of a partial class
namesp...
Counting the number of True Booleans in a Python List
...
2
This is actually more efficient than sum, as well as being more explicit about the intent, so there's no reason to use sum:
In [1]: import random
In [2]: x = [random.choice([True, False]) for i in range(100)]
In [3]: %timeit x.count(True)
970 ns ± 41.1 ns per loop (mean ± std. dev. of 7 ru...
Linq style “For Each” [duplicate]
...ult as the above use of ToList, but is (in theory) more efficient, because it streams the values directly to the delegate.
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