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How to check if a query string value is present via JavaScript?
...k they lead to cleaner code, since they help me avoid nested if statements and show exactly what is going on at a certain point in code. As for the stict cases, both the left hand and right hand sides will always be numbers, so what difference would switching to strict equality operators make?
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Random row from Linq to Sql
What is the best (and fastest) way to retrieve a random row using Linq to SQL when I have a condition, e.g. some field must be true?
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Avoiding instanceof in Java
...ng a chain of "instanceof" operations is considered a "code smell". The standard answer is "use polymorphism". How would I do it in this case?
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Block Comments in a Shell Script
...fore comment
: <<'END'
bla bla
blurfl
END
echo after comment
The ' and ' around the END delimiter are important, otherwise things inside the block like for example $(command) will be parsed and executed.
For an explanation, see this and this question.
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Parsing HTML using Python
... BeautifulSoup object (remember, it's a tree node basically) of the first (and in this case, only) body element of the root element (in our case, html)
– Aadaam
Jul 29 '12 at 12:38
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Qt: can't find -lGL error
... edited Jul 30 '18 at 14:05
Rando Hinn
1,1151717 silver badges3232 bronze badges
answered Aug 29 '13 at 6:15
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How to clone all remote branches in Git?
I have a master and a development branch, both pushed to GitHub . I've clone d, pull ed, and fetch ed, but I remain unable to get anything other than the master branch back.
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How to get instance variables in Python?
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Every object has a __dict__ variable containing all the variables and its values in it.
Try this
>>> hi_obj = hi()
>>> hi_obj.__dict__.keys()
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How to display line numbers in 'less' (GNU)
What is the command to make less display line numbers in the left column?
6 Answers
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Does a UNIQUE constraint automatically create an INDEX on the field(s)?
...managed to get that explain result, I've just copied your table definition and the same explain shows UNIQ_EMAIL_USER as possible key, can you please recheck it?
– piotrm
Mar 19 '12 at 3:01
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