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What Vim command(s) can be used to quote/unquote words?

...tes. Change single quotes to double quotes va':s/\%V'\%V/"/g va' - Visually select the quoted word and the quotes. :s/ - Start a replacement. \%V'\%V - Only match single quotes that are within the visually selected region. /"/g - Replace them all with double quotes. ...
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What does T&& (double ampersand) mean in C++11?

...e in the draft C++11 standard, but are not true for the final one! Specifically, it says at various points that rvalue references can bind to lvalues, which was once true, but was changed.(e.g. int x; int &&rrx = x; no longer compiles in GCC) – drewbarbs Jul 13 '14 at 16:12 The biggest d...
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How to convert Set to Array?

...y good way to get properties, except for generator [Set].values, which is called in an awkward way of mySet.values.next() . ...
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How to best display in Terminal a MySQL SELECT returning too many fields?

... Db: mydatabase1 User: myuser1 Select_priv: Y Insert_priv: Y Update_priv: Y ... *************************** 2. row *************************** Host: localhost Db: mydatabase2 User...
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Is there a way to get the source code from an APK file?

The hard drive on my laptop just crashed and I lost all the source code for an app that I have been working on for the past two months. All I have is the APK file that is stored in my email from when I sent it to a friend. ...
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How do I install from a local cache with pip?

I install a lot of the same packages in different virtualenv environments. Is there a way that I can download a package once and then have pip install from a local cache? ...
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Fit image into ImageView, keep aspect ratio and then resize ImageView to image dimensions?

...nsity); } The xml code for the ImageView: <ImageView a:id="@+id/image_box" a:background="#ff0000" a:src="@drawable/star" a:layout_width="wrap_content" a:layout_height="wrap_content" a:layout_marginTop="20dp" a:layout_gravity="center_horizontal"/> Thanks to this di...
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Merge and interleave two arrays in Ruby

... that Chris wants to interleave the elements, not concatenate them. Essentially, he wants [a, s].transpose except that the two rows don't conform, leaving #zip as the obvious solution. And I don't believe he meant that he really cared whether a was mutated ... I don't think he was commenting on a mu...
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How do I set up a simple delegate to communicate between two view controllers?

... super.viewDidLoad() } @IBAction func btnSendDataPushed(_ sender: UIButton) { // Call the delegate method from SecondVC self.delegate?.sendData(data:self.data) dismiss(animated: true, completion: nil) } } ViewCo...
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How to use a filter in a controller?

...Prashanth is correct, but there is even easier way of doing the same. Basically instead of injecting the $filter dependency and using awkward syntax of invoking it ($filter('filtername')(arg1,arg2);) one can inject dependency being: filter name plus the Filter suffix. Taking example from the quest...