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Precise Financial Calculation in JavaScript. What Are the Gotchas?
...ice = 200.30;
var total = price * 3;
// Outputs: false
console.log(money >= total);
// Outputs: 600.9000000000001
console.log(total);
If you need to use pure javascript then you have need to think about solution for every calculation. For above code we can convert decimals to whole integers.
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How can I get the current date and time in UTC or GMT in Java?
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java.util.Date has no specific time zone, although its value is most commonly thought of in relation to UTC. What makes you think it's in local time?
To be precise: the value within a java.util.Date is the number of milliseconds since the Unix epoch, which occurred a...
Pointers, smart pointers or shared pointers? [duplicate]
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> If the operation is a success, you can feel free to transfer it over to a shared pointer, but in the meantime save the overhead with a scoped pointer. Can you please clarify this part of your answer? What do you mean by ...
Java Naming Convention with Acronyms [closed]
...don't like the .NET guidelines' idea of naming differently depending on length of acronyms and whether or not it is an abbreviation. Who actually cares about and checks the length of an acronym? Or if it is an abbreviation? I prefer a blanket rule for naming. The problem comes when using 3rd party l...
What's the best way to detect a 'touch screen' device using JavaScript?
...bkit-", "-moz-", "-o-", "-ms-"];
const queries = prefixes.map(prefix => `(${prefix}touch-enabled)`);
return window.matchMedia(queries.join(",")).matches;
}
console.log(is_touch_device4());
Here they are using the non-standard touch-enabled media query feature, which I think is ki...
Send POST request using NSURLSession
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(data: NSData?, response: NSURLResponse?, error: NSError?) -> Void in
if let httpResponse = response as? NSHTTPURLResponse {
print("responseCode \(httpResponse.statusCode)")
}
if error != nil {
// You can hand...
Generating a list of which files changed between hg versions
... names).
If you are using the terminal in windows add hg status --rev x:y> your-file.txt to save the list to a file.
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How do I get current URL in Selenium Webdriver 2 Python?
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suppose, there is a chain of page p1->p2->p3 where p2 on the basis of credentials in p1 is redirecting to either p1 or p3. How to get the url just after clicking which I am not able to understand. selenium doesnot stop at that page and is directly giving me...
log all queries that mongoose fire in the application
...wing format:
mongoose.set("debug", (collectionName, method, query, doc) => {
console.log(`${collectionName}.${method}`, JSON.stringify(query), doc);
});
or any other logger of your choice:
mongoose.set("debug", (collectionName, method, query, doc) => {
logger(`${collectionName}.${m...
How to set time zone of a java.util.Date?
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@BrDaHa is correct.You'll need to TimeZone.setDefault() before calling getTime() so that the new date object will be in the time zone that you want. In JDK 1.8, Calendar.getTime() calls return new Date(getTimeInMillis());.
– jpllosa
May ...