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Scala: What is a TypeTag and how do I use it?
All I know about TypeTags is that they somehow replaced Manifests. Information on the Internet is scarce and doesn't provide me with a good sense of the subject.
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Add Variables to Tuple
...omma is 100% optional. Including it kind of signifies "this is a tuple, I know it's a tuple, I know how tuples work, and I know I can do that." But no comma might seem more natural. Idk. Up to you.
– Daniel
May 27 '18 at 3:29
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What is array to pointer decay?
... has decayed to be assigned to the parameter.
1 The constant U should be known at compile-time.
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Transaction isolation levels relation with locks on table
... on production: imagine that T table is an Invoice table, user X wants to know the invoices of the day and user Y wants to create a new invoice, so while X executes the read of the invoices, Y can't add a new invoice (and when it's about money, people get really mad, especially the bosses).
I ...
How can you integrate a custom file browser/uploader with CKEditor?
...robably was CKEditorFuncName, maybe the more CKEditor uses CKEditorFuncNum now. Anyway the answer is spot on!
– Rosdi Kasim
Aug 19 '10 at 7:35
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String concatenation vs. string substitution in Python
... large boosts in performance..."
If performance matters, this is good to know.
However, performance problems I've seen have never come down to string operations. I've generally gotten in trouble with I/O, sorting and O(n2) operations being the bottlenecks.
Until string operations are the perfor...
String, StringBuffer, and StringBuilder
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logic operations i mean are basic String ones, Now one thing I would like to ask, as stated by @Peter should we start using StringBuffer instead on String in all cases or there are some specific cases?
– JavaDragon
Jun 17 '16 at 7:57...
How to make my custom type to work with “range-based for loops”?
...f this defect report.
The way to make a for(:) loop work on your type X is now one of two ways:
Create member X::begin() and X::end() that return something that acts like an iterator
Create a free function begin(X&) and end(X&) that return something that acts like an iterator, in the same ...
Best practice for storing and protecting private API keys in applications [closed]
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@EricLafortune Is it now possible to use the Android Keystore system to securely store the keys? ( developer.android.com/training/articles/keystore.html )
– David Thomas
Apr 29 '16 at 6:09
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How to print a number with commas as thousands separators in JavaScript
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max-height: 100% !important;
}
@t.j.crowder pointed out that now that JavaScript has lookbehind (support info), it can be solved in the regular expression itself:
function numberWithCommas(x) {
return x.toString().replace(/\B(?<!\.\d*)(?=(\d{3})+(?!\d))/g, ",");
}
functio...