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Double not (!!) operator in PHP

What does the double not operator do in PHP? 6 Answers 6 ...
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Get parts of a NSURL in objective-c

I have an NSString with the value of 2 Answers 2 ...
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DbArithmeticExpression arguments must have a numeric common type

This Linq expression throws this exception: 3 Answers 3 ...
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Regex - Does not contain certain Characters

I need a regex to match if anywhere in a sentence there is NOT either < or >. 2 Answers ...
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java.lang.NoClassDefFoundError: com/sun/mail/util/MailLogger for JUnit test case for Java mail

I am using Java Mail API to read and parse emails. It is working fine with Servlet code. 7 Answers ...
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Django import error - no module named django.conf.urls.defaults

I am trying to run statsd/graphite which uses django 1.6. 2 Answers 2 ...
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What is the Ruby (spaceship) operator?

...language to use it. Groovy is another language that supports it. Basically instead of returning 1 (true) or 0 (false) depending on whether the arguments are equal or unequal, the spaceship operator will return 1, 0, or −1 depending on the value of the left argument relative to the right argument. ...
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Python: using a recursive algorithm as a generator

Recently I wrote a function to generate certain sequences with nontrivial constraints. The problem came with a natural recursive solution. Now it happens that, even for relatively small input, the sequences are several thousands, thus I would prefer to use my algorithm as a generator instead of usin...
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TypeError: sequence item 0: expected string, int found

I am attempting to insert data from a dictionary into a database. I want to iterate over the values and format them accordingly, depending on the data type. Here is a snippet of the code I am using: ...
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SQL Server equivalent of MySQL's NOW()?

I'm a MySQL guy working on a SQL Server project, trying to get a datetime field to show the current time. In MySQL I'd use NOW() but it isn't accepting that. ...