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MySQL SELECT only not null values
Is it possible to do a select statement that takes only NOT NULL values?
9 Answers
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Elegant ways to support equivalence (“equality”) in Python classes
When writing custom classes it is often important to allow equivalence by means of the == and != operators. In Python, this is made possible by implementing the __eq__ and __ne__ special methods, respectively. The easiest way I've found to do this is the following method:
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Is there a builtin identity function in python?
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Doing some more research, there is none, a feature was asked in issue 1673203 And from Raymond Hettinger said there won't be:
Better to let people write their own trivial pass-throughs
and think about the signature and time costs.
So a better way to...
$(document).click() not working correctly on iPhone. jquery [duplicate]
This function works perfectly on IE, Firefox and Chrome but when on the iPhone, it will only work when clicking on a <img> . Clicking on the page (anywhere but on a img) wont fire the event.
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Concept behind these four lines of tricky C code
Why does this code give the output C++Sucks ? What is the concept behind it?
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How to bring back “Browser mode” in IE11?
...E11 preview; browser mode had returned in final release of IE11. But there is a catch: it is next to useless, because it does not emulate conditional comments. For example, if you use them to enable HTML5 support in legacy IEs, you will no longer be able to debug your site in IE11.
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Django auto_now and auto_now_add
...the auto_now and auto_now_add arguments go away, and although they still exist, I feel you're better off just using a custom save() method.
So, to make this work properly, I would recommend not using auto_now or auto_now_add and instead define your own save() method to make sure that created is on...
What's the difference between faking, mocking, and stubbing?
...UT depends on and instruct the SUT to use it instead of the real.
Stub : This implementation is configured to respond to calls from the SUT with the values (or exceptions) that will exercise the Untested Code (see Production Bugs on page X) within the SUT. A key indication for using a Test Stub is h...
Conditionally start at different places in storyboard from AppDelegate
... storyboard set up with working login and main view controller, the latter is the view controller to which the user is navigated to when login is successful.
My objective is to show the main view controller immediately if the authentication (stored in keychain) is successful, and show the login view...
Google Maps Android API v2 - Interactive InfoWindow (like in original android google maps)
... I want it to look like in the original maps application by Google. Like this:
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