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iPhone: How to switch tabs with an animation?

I'm switching tabs programmatically in a tab bar driven application using UITabBarController.selectedIndex . The problem I'm trying to solve is how to animate the transition between the views. ie. from the view of the current tab to the view of the selected tab. ...
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Git authentication fails after enabling 2FA

...PlaintextPassword@example.com. Storing password(s) in plaintext would normally be considered as a security risk. But in this 2FA case, the credential is NOT your real password, it is a randomly generated string. So it is as secure as using a ssh private key a passphrase-less ssh private key. CAVEAT...
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How to set HTTP headers (for cache-control)?

...low. Some information on the Cache-Control header is as follows HTTP 1.1. Allowed values = PUBLIC | PRIVATE | NO-CACHE | NO-STORE. Public - may be cached in public shared caches. Private - may only be cached in private cache. No-Cache - may not be cached. No-Store - may be cached but not archived. ...
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Possible to make labels appear when hovering over a point in matplotlib?

... It seems none of the other answers here actually answer the question. So here is a code that uses a scatter and shows an annotation upon hovering over the scatter points. import matplotlib.pyplot as plt import numpy as np; np.random.seed(1) x = np.random.rand(15) y =...
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How do MySQL indexes work?

I am really interested in how MySQL indexes work, more specifically, how can they return the data requested without scanning the entire table? ...
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What is the correct JSON content type?

...oding is UTF-8. (Source: RFC 4627). For JSONP (runnable JavaScript) with callback: application/javascript Here are some blog posts that were mentioned in the relevant comments: Why you shouldn't use text/html for JSON Internet Explorer sometimes has issues with application/json A rather complete ...
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Is SecureRandom thread safe?

... initializing a SecureRandom can not only be slow, but can potentially hang because of missing entropy – Walter Tross Jul 25 '14 at 9:37 8 ...
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The case against checked exceptions

...jlsberg and his work, this argument has always struck me as bogus. It basically boils down to: "Checked exceptions are bad because programmers just abuse them by always catching them and dismissing them which leads to problems being hidden and ignored that would otherwise be presented to the us...
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Where do I find the bashrc file on Mac?

Hello I am following this page .. I'm installing Python onto my mac so that I can set up a Django / Eclipse development environment. However I am not too sure how to go about executing this step: ...
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postgresql - add boolean column to table set default

...D COLUMN priv_user BOOLEAN;, then UPDATE users SET priv_user = 'f'; and finally if you need to ALTER TABLE users ALTER COLUMN priv_user SET NOT NULL;. – Craig Ringer Aug 14 '12 at 0:19 ...