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Why does C# allow {} code blocks without a preceding statement?
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And in C++, because of RAII instead of GC, it is far more useful.
– Deduplicator
Dec 23 '15 at 1:44
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A semantics for Bash scripts?
More than any other language I know, I've "learned" Bash by Googling every time I need some little thing. Consequently, I can patchwork together little scripts that appear to work. However, I don't really know what's going on, and I was hoping for a more formal introduction to Bash as a programmin...
How to bind inverse boolean properties in WPF?
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100
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Eclipse, regular expression search and replace
... That's a nice answer and a useful hint. It would have been more helpful had it been described in little more detail.
– iammilind
May 24 '13 at 16:58
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Greedy vs. Reluctant vs. Possessive Quantifiers
...atched). That still doesn't match the f in the regex, so it backtracks one more step, making the greedy quantifier match one less character again (leaving the "oo" at the end of the string unmatched). That still doesn't match the f in the regex, so it backtracks one more step (leaving the "foo" at t...
How do I redirect in expressjs while passing some context?
...assedVariable = req.query.valid;
// Do something with variable
});
For more dynamic way you can use the url core module to generate the query string for you:
const url = require('url');
app.get('/category', function(req, res) {
res.redirect(url.format({
pathname:"/",
query...
Static way to get 'Context' in Android?
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93
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MySQL query to get column names?
...it's standard SQL (Whereas SHOW ... is a MySQL specific extension)...
For more information about the difference between SHOW... and using the INFORMATION_SCHEMA tables, check out the MySQL Documentation on INFORMATION_SCHEMA in general...
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In which order should floats be added to get the most precise result?
...in the situation where each one individually isn't affecting the total any more. So I'm still going to need more tricks.
That's an extreme case, but in general adding two values of similar magnitude is more accurate than adding two values of very different magnitudes, since you "discard" fewer bits...
?? Coalesce for empty string?
Something I find myself doing more and more is checking a string for empty (as in "" or null) and a conditional operator.
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