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How can I return to a parent activity correctly?

...ng startActivityForResult() and override onActivtyResult() in Activity A. Now in Activity B just call finish() on button Up. So now you directed to Activity A's onActivityResult() without creating of Activity A again.. shar...
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Build an iOS app without owning a mac? [closed]

...gin developer account you can download Xcode IDE's .dmg file That's all. Now you just install Xcode and start developing iOS apps and test/debug with Simulator.. 2. iPhone/iPad (iOS) app development and Publish to iTunes Store for publishing your app on iTunes store you need to pay (example $99 ...
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Issue with virtualenv - cannot activate

...cannot. It might just be syntax or folder location, but I am stumped right now. 21 Answers ...
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How to delete or add column in SQLITE?

... 170 1 foo bar 25 171 Now you want to remove the column height from this table. Create another table called new_person sqlite> CREATE TABLE new_person( ...> id INTEGER PRIMARY KEY, ...> first_name TEXT, ...> last_name ...
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Convert pandas timezone-aware DateTimeIndex to naive timestamp, but in certain timezone

...mber, a quick summary of what each of these do: >>> pd.Timestamp.now() # naive local time Timestamp('2019-10-07 10:30:19.428748') >>> pd.Timestamp.utcnow() # tz aware UTC Timestamp('2019-10-07 08:30:19.428748+0000', tz='UTC') >>> pd.Timestamp.now(tz='Europe/Brussels')...
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(HTML) Download a PDF file instead of opening them in browser when clicked

...at is that this was answered 4 years ago and as Sarim points out, there is now the HTML 5 download attribute that can handle this. I agree, and think Sarim's answer is good (it probably should be the chosen answer if the OP ever returns). However, this answer is still the reliable way to handle it...
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How to list all tags along with the full message in git?

...to do something more than what this question is asking. But it is good to know that for certain situations the -l is needed. – still_dreaming_1 Jul 2 '15 at 15:30 ...
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How to remove CocoaPods from a project?

...that existed before you integrated CocoaPods. If I missed anything let me know and I will edit this. Also we're always looking for suggestions for how to improve CocoaPods so if you have an issues please submit them in our issue tracker so we can come up with a way to fix them! EDIT As shown by J...
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Any reason not to start using the HTML 5 doctype? [closed]

...ation and markup prerference. With that said, using <!DOCTYPE html> now and trying to make your markup conform to HTML5 is not a bad idea as long as you stick to stable features that work in browsers now. You wouldn't use anything in HTML4 or XHTML 1.x that doesn't work in browsers, would you...
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Is there a “null coalescing” operator in JavaScript?

... Update JavaScript now supports the nullish coalescing operator (??). It returns its right-hand-side operand when its left-hand-side operand is null or undefined, and otherwise returns its left-hand-side operand. Please check compatibility be...