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Get image data url in JavaScript?

...rn), it does not create the same base64 string as the one I'm getting from PHP when doing base64_encode on the file obtained with file_get_contents function. The images seem very similar/the same, still the Javascripted one is smaller and I'd love them to be exactly the same. One more thing: the in...
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How do I return rows with a specific value first?

..., Oracle, DB2, and many other database systems, this is what you can use: ORDER BY CASE WHEN city = 'New York' THEN 1 ELSE 2 END, city share | improve this answer | follow ...
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iPhone get SSID without private library

... This code work well in order to get SSID. #import <SystemConfiguration/CaptiveNetwork.h> @implementation IODAppDelegate @synthesize window = _window; - (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictio...
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How do I find a “gap” in running counter with SQL?

...LL FROM mytable mi WHERE mi.id = mo.id + 1 ) ORDER BY id LIMIT 1 In SQL Server: SELECT TOP 1 id + 1 FROM mytable mo WHERE NOT EXISTS ( SELECT NULL FROM mytable mi WHERE mi.id = mo.id + 1 ) ORDER BY ...
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What's the difference between Task.Start/Wait and Async/Await?

.... what is the difference between doing Task.Wait and await task? You order your lunch from the waiter at the restaurant. A moment after giving your order, a friend walks in and sits down next to you and starts a conversation. Now you have two choices. You can ignore your friend until the task ...
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log messages appearing twice with Python Logging

...That was happening for me in a test framework where I couldn't control the order that test cases fired. My initialization code was installing the second one. The default uses logging.BASIC_FORMAT that I didn't want. share ...
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What is an alternative to execfile in Python 3?

... I noticed that you've written the local and global arguments in the wrong order. It's actually: exec(object[, globals[, locals]]). Of course if you had the arguments flipped in the original, then 2to3 will produce exactly what you said. :) – Nathan Shively-Sanders ...
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How to find out what type of a Mat object is with Mat::type() in OpenCV

... Highly active question. Earn 10 reputation in order to answer this question. The reputation requirement helps protect this question from spam and non-answer activity. ...
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Threading pool similar to the multiprocessing Pool?

... in order to use the backported futures module, run sudo pip install futures – yair Sep 10 '15 at 1:49 ...
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Comparing two dataframes and getting the differences

...hod, and exception is raised if differences found, even in columns/indices order. If I got you right, you want not to find changes, but symmetric difference. For that, one approach might be concatenate dataframes: >>> df = pd.concat([df1, df2]) >>> df = df.reset_index(drop=True) ...