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Getting time elapsed in Objective-C
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NSDate *start = [NSDate date];
// do stuff...
NSTimeInterval timeInterval = [start timeIntervalSinceNow];
timeInterval is the difference between start and now, in seconds, with sub-millisecond precision.
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How do I replace text in a selection?
I've just started using Sublime Text 2, coming from emacs.
11 Answers
11
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Android OpenGL ES and 2D
... isn't that efficient when it comes to RT games).
My question is: where to start?
I've spent over a month browsing Google and reading/trying some tutorials/examples I've found anywhere but to be honest, it didn't help much and this is for two reasons:
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Intent - if activity is running, bring it to front, else start a new one (from notification)
My app has notifications, which - obviously - without any flags, start a new activity every time so I get multiple same activities running on top of each other, which is just wrong.
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Create an array or List of all dates between two dates [duplicate]
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LINQ:
Enumerable.Range(0, 1 + end.Subtract(start).Days)
.Select(offset => start.AddDays(offset))
.ToArray();
For loop:
var dates = new List<DateTime>();
for (var dt = start; dt <= end; dt = dt.AddDays(1))
{
dates.Add(dt);
}
ED...
How to use ng-repeat for dictionaries in AngularJs?
...mention a new functionality of AngularJS ng-repeat, namely, special repeat start and end points. That functionality was added in order to repeat a series of HTML elements instead of just a single parent HTML element.
In order to use repeater start and end points you have to define them by using ng-...
Calculate date from week number
...= 1)
{
weekNum -= 1;
}
// Using the first Thursday as starting week ensures that we are starting in the right year
// then we add number of weeks multiplied with days
var result = firstThursday.AddDays(weekNum * 7);
// Subtract 3 days from Thursday to get Monday, wh...
Check if an element is present in an array [duplicate]
...ed the polyfill)
var array = [0,1,2,3,4,5,6,7,8,9];
var result = 0;
var start = new Date().getTime();
for(var i = 0; i < 10000000; i++)
{
if(array.includes("test") === true){ result++; }
}
console.log(new Date().getTime() - start);
~ 1050 ms, indexOf
var array = [0,1,2,3,4,5,6,7,8,9];
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How to change folder with git bash?
... @reubenjohn, using Console2 for console provides a setting "Startup dir". Btw this article describes to make the console Quake-style dropping down form top of the screen.
– Vorac
Apr 24 '14 at 8:27
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Markdown to create pages and table of contents?
I started to use markdown to take notes.
35 Answers
35
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