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Regex - Should hyphens be escaped? [duplicate]
Hyphen is a special character in regex, for instance, to select a range, I could do something like:
3 Answers
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How do I open the SearchView programmatically?
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This is the correct solution - The selected one forces you to set showAsAction: always which causes some issues.
– Ixx
Apr 30 '18 at 8:24
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When/Why to use Cascading in SQL Server?
...alking about to restrict all data accesses to SPs, or at the least all but Select. See my answer under stackoverflow.com/questions/1171769/…
– Cruachan
May 29 '10 at 9:32
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Delete all but the most recent X files in bash
... but the 5 last lines (ie the 5 newest files).
xargs rm calls rm for each selected file.
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What's the best manner of implementing a social activity stream? [closed]
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Smallish in this case is such that "select * from events where event.is visible for this user" returns a result in less than a second or two- figure a few hundred thousand rows worth of events.
– Tim Howland
May 26 '09 at ...
Detect Browser Language in PHP
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The problem with the selected answer above is that the user may have their first choice set as a language that's not in the case structure, but one of their other language choices are set. You should loop until you find a match.
This is a super ...
Why should weights of Neural Networks be initialized to random numbers? [closed]
...imization algorithms such as stochastic gradient descent use randomness in selecting a starting point for the search and in the progression of the search.
The progression of the search or learning of a neural network is known as convergence. Discovering a sub-optimal solution or local optima result ...
How to re-sync the Mysql DB if Master and slave have different database incase of Mysql replication?
...ysqldump fare with large databases in terms of performance? Any way to use SELECT INTO OUTFILE and LOAD DATA smoothly in your suggested process? (Since they generally perform faster)
– Ifedi Okonkwo
Jul 12 '16 at 19:35
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Nullable Foreign Key bad practice?
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Using NULL would be a good way to clean up incomplete orders:
SELECT * FROM `orders`
WHERE `started_time` < (UNIX_TIMESTAMP() + 900) AND `customer_id` IS NULL
The above would show orders older than 15 minutes without a related customer ID.
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HTML5 Video Dimensions
...y further insight on this? PS1: I only tried this with URLs to local files selected using an file selector input element. PS2 : it does work on iOS Safari.
– Visionscaper
Mar 27 '16 at 18:40
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