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When should I use uuid.uuid1() vs. uuid.uuid4() in python?
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uuid1() is guaranteed to not produce any collisions (under the assumption you do not create too many of them at the same time). I wouldn't use it if it's important that there's no connection between the uuid and the computer, a...
Count number of matches of a regex in Javascript
I wanted to write a regex to count the number of spaces/tabs/newline in a chunk of text. So I naively wrote the following:-
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How do I get a background location update every n minutes in my iOS application?
...ce = sharedInstance;
instance.locationManager = [CLLocationManager new];
instance.locationManager.delegate = instance;
instance.locationManager.desiredAccuracy = kCLLocationAccuracyBest; // you can use kCLLocationAccuracyHundredMeters to get better battery life
instan...
Detect if called through require or directly by command line
...e.exports = function () {
// generate a stack trace
const stack = (new Error()).stack;
// the third line refers to our caller
const stackLine = stack.split("\n")[2];
// extract the module name from that line
const callerModuleName = /\((.*):\d+:\d+\)$/.exec(stackLine)[1];
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What are “decorators” and how are they used?
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Ignoring time zones altogether in Rails and PostgreSQL
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}
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How do I check if an element is hidden in jQuery?
...it possible to toggle the visibility of an element, using the functions .hide() , .show() or .toggle() ?
59 Answers
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How to Create Grid/Tile View?
...age-break-before: always; /* CSS 2.1 syntax */
break-before: always; /* New syntax */
}
Sadly, not all browsers support line breaks in flexbox yet. It works on Firefox, though.
#flex-container {
display: flex;
flex-flow: column wrap;
}
#flex-container > :nth-child(3n + 1) { o...
Difference between os.getenv and os.environ.get
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What is the difference between 'classic' and 'integrated' pipeline mode in IIS7?
...P or other technologies for IIS.
Integrated mode, on the other hand, is a new mode in IIS7 where IIS pipeline is tightly integrated (i.e. is just the same) as ASP.NET request pipeline. ASP.NET can see every request it wants to and manipulate things along the way. ASP.NET is no longer treated as an ...