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Best way to test SQL queries [closed]

...blem wherein we keep having complex SQL queries go out with errors. Essentially this results in sending mail to the incorrect customers and other 'problems' like that. ...
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postgres default timezone

I installed PostgreSQL 9 and the time it is showing is 1 hour behind the server time. 7 Answers ...
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Take screenshots in the iOS simulator

... a screen shot. Or Using Mac Keyboad: Press keys ⌥ Option + ⌘ + s all together. It will show to a dialog with file storage options and also allows to set/change default path. Tip 3: How to take a screen shot with Device Bezel? Enable Show Device Bezel from Window menu. Here is an op...
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Null or default comparison of generic argument in C#

...IEquatable<T> (without boxing) as well as object.Equals, and handles all the Nullable<T> "lifted" nuances. Hence: if(EqualityComparer<T>.Default.Equals(obj, default(T))) { return obj; } This will match: null for classes null (empty) for Nullable<T> zero/false/etc for...
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nginx error connect to php5-fpm.sock failed (13: Permission denied)

...or /etc/php/7.0/fpm/pool.d/www.conf, depending on your version. Uncomment all permission lines, like: listen.owner = www-data listen.group = www-data listen.mode = 0660 Restart fpm - sudo service php5-fpm restart or sudo service php7.0-fpm restart Note: if your webserver runs as user other than...
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Inline comments for Bash?

... Commenting in a Bash script This will have some overhead, but technically it does answer your question echo abc `#put your comment here` \ def `#another chance for a comment` \ xyz etc And for pipelines specifically, there is a cleaner solution with no overhead echo abc | ...
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Best way to check if UITableViewCell is completely visible

...in.x = 0, origin.y = 0, width = 0, height = 0? although on UI they are not all 0s, I am using auto layout, any ideas? – RainCast Apr 18 '16 at 21:20 7 ...
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Why is January month 0 in Java Calendar?

...e. I doubt whether anyone outside the original implementation team could really state reasons - but again, I'd urge readers not to worry so much about why bad decisions were taken, as to look at the whole gamut of nastiness in java.util.Calendar and find something better. One point which is in favo...
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How to Sort a List by a property in the object

I have a class called Order which has properties such as OrderId , OrderDate , Quantity , and Total . I have a list of this Order class: ...
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NumPy array initialization (fill with identical values)

... On my system (Python 2.7, Numpy 1.8), np.full() is actually slightly slower than np.empty() followed by np.fill(). – John Zwinck Jul 25 '14 at 8:37 2 ...