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How to get back to the latest commit after checking out a previous commit?

... If you know the commit you want to return to is the head of some branch, or is tagged, then you can just git checkout branchname You can also use git reflog to see what other commits your HEAD (or any other ref) has pointed to in ...
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How to check if activity is in foreground or in visible background?

...liably. You might have the following situation: Resume A Resume B Pause A. Now activityVisible is false whereas the application is visible. Perhaps you use a visibility counter: visibleCounter ++ in onResume and visibleCounter -- in onPause. – Joris Weimar Mar ...
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How to upgrade all Python packages with pip?

... Right :( The issue now lives at github.com/pypa/pip/issues/59 . But every suggestion seems to be answered with "Yeah, but I'm too sure if X is the right way to do Y"... Now is better than never? Practicality beats purity? :( ...
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NSUserDefaults - How to tell if a key exists

... I know this is old, but having only just now needed this information, I need to point out that the 'containsObject:' reference means just that: the object. NOT the key. IOW, in your header file if you've defined: #define kMyKey ...
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Selecting all text in HTML text input when clicked

... if (focusedElement == this) return; //already focused, return so user can now place cursor at specific point in input. focusedElement = this; setTimeout(function () { focusedElement.select(); }, 100); //select all text in any field on focus for easy re-entry. Delay s...
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Appending to an object

... This answer expects you to know the id of the alert to be added. Well, if you already know that, then you can simply follow the original object format and do: alerts[3] = { app: 'hello3', message: 'message 3' }. With this you can access a message by id:...
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Efficient way to rotate a list in python

What is the most efficient way to rotate a list in python? Right now I have something like this: 26 Answers ...
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Using DNS to redirect to another URL with a path [closed]

... No, what you ask is not possible. DNS is name resolution system and knows nothing about HTTP. share | improve this answer | follow | ...
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Converting milliseconds to a date (jQuery/JavaScript)

...ant custom formatting for your date I offer a simple function for it: var now = new Date; console.log( now.customFormat( "#DD#/#MM#/#YYYY# #hh#:#mm#:#ss#" ) ); Here are the tokens supported: token: description: example: #YYYY# 4-digit year 1999 #YY# 2-digit ...
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Class JavaLaunchHelper is implemented in both … libinstrument.dylib. One of the two will be used. Wh

... As of October 2017, this issue is now resolved in jdk1.9 jdk1.8.152 jdk1.7.161 share | improve this answer | follow ...