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How to add a new row to an empty numpy array
...ack
arr = np.array([])
arr = np.hstack((arr, np.array([1,2,3])))
# arr is now [1,2,3]
arr = np.vstack((arr, np.array([4,5,6])))
# arr is now [[1,2,3],[4,5,6]]
You also can use the np.concatenate function.
Cheers
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How to Copy Text to Clip Board in Android?
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API has now changed to clipboardManager = getSystemService(context, ClipboardManager::class.java)
– Per Christian Henden
Aug 16 '19 at 10:36
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c# datatable insert column at position 0
does anyone know the best way to insert a column in a datatable at position 0?
3 Answers
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Passing arguments to require (when loading module)
...t it? My module won't make explicit use of this app argument, but I don't know if it is required by node.js for some internal thing. If it's ok, my module declaration would look like this: module.exports = function (db) {
– Ulysses Alves
Nov 11 '15 at 12:09
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What is the purpose of willSet and didSet in Swift?
...ldVC!.view.setTranslatesAutoresizingMaskIntoConstraints(false) //For now - until I add my own constraints
self.view.addSubview(_childVC!.view)
let views = ["view" : _childVC!.view] as NSMutableDictionary
let layoutOpts = NSLayoutFormatOptions(0)
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Difference between android.app.Fragment and android.support.v4.app.Fragment
... use android.app.Fragment.
Edit: the OS-contained android.app.Fragment is now deprecated (as of API level 28), and everyone should move to using the support library implementations.
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How can I launch multiple instances of MonoDevelop on the Mac?
... Update to the checkbox label in case someone find this, it now says "Close current workspace"
– Tiago
Feb 23 '12 at 14:20
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How to use LocalBroadcastManager?
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Folks, note what the google docs now say about an Activity after onPause(): Killable = Pre-HONEYCOMB Starting with Honeycomb, an application is not in the killable state until its onStop() has returned.
– 18446744073709551615
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How to copy a row and insert in same table with a autoincrement field in MySQL?
...ou go Stored Procedure you don't go back - you're married to that database now and just adds to the costs whenever you want to change.
– Yzmir Ramirez
Feb 13 '12 at 2:41
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Search and replace in Vim across all the project files
...looks like 's/pattern/replacement/' is the extension, I think I understand now.
– davekaro
Feb 23 '13 at 13:29
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