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Are global variables bad? [closed]
...
If someone's passing around 100 variables, then they've not learnt what an object is. Using the reference to this object is then at worst passing around a pointer. I'd say that the rule isn't just clarity, but testability too - and using a non-global ...
Tools for analyzing performance of a Haskell program
...NTRE MODULE %time %alloc
numDivs Main 100.0 100.0
Indicating that all your time is spent in numDivs, and it is also the source of all your allocations.
Heap Profiles
You can also get a break down of those allocations, by running with +RTS -p -hy, which creat...
What is NoSQL, how does it work, and what benefits does it provide? [closed]
...of joins is very hard on "traditional" RDBMSs) - could well be a factor of 1000 in extreme cases.
Is the technology too new to start implementing yet or is it worth taking a look into?
Depends mainly on what you're trying to achieve. It's certainly mature enough to use. But few applications really ...
What is the significance of 1/1/1753 in SQL Server?
...2
SELECT CONVERT(VARCHAR, DATEADD(DAY,-5,CAST('1752-09-13' AS DATETIME2)),100)
Returns
Sep 8 1752 12:00AM
One final point with the datetime2 data type is that it uses the proleptic Gregorian calendar projected backwards to well before it was actually invented so is of limited use in dealing w...
What's the best online payment processing solution? [closed]
....9% to 2.9% + $0.30 USD (2.9% for up to $30,000/month, 1.9% for more than $100,000/month)
Without factoring in the 20/30 cents, Paypal is just barely cheaper if you sell more than $100,000 per month, and spend nothing on adwords.
...
How to print color in console using System.out.println?
...ckgrounds
public static final String BLACK_BACKGROUND_BRIGHT = "\033[0;100m";// BLACK
public static final String RED_BACKGROUND_BRIGHT = "\033[0;101m";// RED
public static final String GREEN_BACKGROUND_BRIGHT = "\033[0;102m";// GREEN
public static final String YELLOW_BACKGROUND_BRIGH...
How to Customize a Progress Bar In Android
...omLevel = 0;
private int toLevel = 0;
public static final int MAX_LEVEL = 10000;
public static final int LEVEL_DIFF = 100;
public static final int DELAY = 30;
private Handler mUpHandler = new Handler();
private Runnable animateUpImage = new Runnable() {
@Override
public void run() {
...
How can I respond to the width of an auto-sized DOM element in React?
...nst { width, height } = this.props.size;
return (
<svg width="100" height="100">
<circle cx="50" cy="50" r="40" stroke="green" stroke-width="4" fill="yellow" />
</svg>
);
}
}
// Wrap your component export with my library.
export default SizeMe()(MySVG...
Zoom in on a point (using scale and translate)
...lack square.
context.fillStyle = "black";
context.fillRect(50,50,100,100);
}
// Draw loop at 60FPS.
setInterval(draw, 1000/60);
canvas.onwheel = function (event){
event.preventDefault();
// Get mouse offset.
var mousex = event.clientX - canvas.offsetLeft;
var mous...
How many socket connections can a web server handle?
...oday, I was worried whether IIS with ASP.NET would support in the order of 100 concurrent connections (look at my update, expect ~10k responses per second on older ASP.Net Mono versions). When I saw this question/answers, I couldn't resist answering myself, many answers to the question here are comp...