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Easy way to test a URL for 404 in PHP?

... If you are using PHP's curl bindings, you can check the error code using curl_getinfo as such: $handle = curl_init($url); curl_setopt($handle, CURLOPT_RETURNTRANSFER, TRUE); /* Get the HTML or whatever is linked in $url. */ $response = curl_exec($handle); /* Check for 40...
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How do I get a raw, compiled SQL query from a SQLAlchemy expression?

...s an updated answer. Quoting from the blog post, this is suggested and worked for me. >>> from sqlalchemy.dialects import postgresql >>> print str(q.statement.compile(dialect=postgresql.dialect())) Where q is defined as: >>> q = DBSession.query(model.Name).distinct(mo...
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SQL statement to get column type

... Francis PFrancis P 11.3k22 gold badges2222 silver badges4848 bronze badges ...
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Can you do a partial checkout with Subversion?

If I had 20 directories under trunk/ with lots of files in each and only needed 3 of those directories, would it be possible to do a Subversion checkout with only those 3 directories under trunk? ...
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git: fatal unable to auto-detect email address

... Probably a typo mistake: set user.mail with no e. Fix it by setting user.email in the Global Configuration with $ git config --global user.email "you@example.com" Already been asked: Why Git is not allowing me to commit even after configuratio...
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Delete column from pandas DataFrame

...guessed, the right syntax is del df['column_name'] It's difficult to make del df.column_name work simply as the result of syntactic limitations in Python. del df[name] gets translated to df.__delitem__(name) under the covers by Python. ...
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LEFT OUTER JOIN in LINQ

...e clause? Correct problem: For inner join is easy and I have a solution like this 22 Answers ...
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How to get these two divs side-by-side?

... float: left; } .child_div_1 { float: left; margin-right: 5px; } Check working example at http://jsfiddle.net/c6242/1/ share | improve this answer | follow ...
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Clearing coverage highlighting in Eclipse

... Click the "Remove all Sessions" button in the toolbar of the "Coverage" view. share | improve this answer | ...
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What algorithm can be used for packing rectangles of different sizes into the smallest rectangle pos

Ive got a bunch of rectangular objects which I need to pack into the smallest space possible (the dimensions of this space should be powers of two). ...