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Why does Go have a “goto” statement

... x = x + 1 } if x == 2 { return z } x = x - 2 p = (((((x*_gamP[0]+_gamP[1])*x+_gamP[2])*x+_gamP[3])*x+_gamP[4])*x+_gamP[5])*x + _gamP[6] q = ((((((x*_gamQ[0]+_gamQ[1])*x+_gamQ[2])*x+_gamQ[3])*x+_gamQ[4])*x+_gamQ[5])*x+_gamQ[6])*x + _gamQ[7] return z * p / q small: if x == 0 ...
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Error Dropping Database (Can't rmdir '.test\', errno: 17)

Basically, I was taught on how to create a root password using the "mysqladmin -u root -p password" command, this was done all through the windows command editor. Now, the next process was to display the default databases (info. schema, mysql and test) which was achieved by using "SHOW DATABASES;" ...
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iOS UIImagePickerController result image orientation after upload

...uite similar to this one) that includes a lengthy discussion of what's actually going on. – Gallymon Nov 29 '13 at 4:30  |  show 21 more comme...
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What's the difference between eval, exec, and compile?

... The short answer, or TL;DR Basically, eval is used to evaluate a single dynamically generated Python expression, and exec is used to execute dynamically generated Python code only for its side effects. eval and exec have these two differences: eval accep...
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Get the data received in a Flask request

.... In most common cases request.data will be empty because it's used as a fallback: request.data Contains the incoming request data as string in case it came with a mimetype Flask does not handle. request.args: the key/value pairs in the URL query string request.form: the key/value pairs in t...
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Delete a key from a MongoDB document using Mongoose

...de-mongodb-native driver. Each model has a collection object that contains all the methods that node-mongodb-native offers. So you can do the action in question by this: User.collection.update({_id: user._id}, {$unset: {field: 1 }}); Since version 2.0 you can do: User.update({_id: user._id}, {$u...
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How to delete a file via PHP?

... Check your permissions first of all on the file, to make sure you can a) see it from your script, and b) are able to delete it. You can also use a path calculated from the directory you're currently running the script in, eg: unlink(dirname(__FILE__) . "/...
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What's the simplest way to subtract a month from a date in Python?

...at what they want can be done just by dt - timedelta(days=dt.day) As originally phrased though it sounded like they wanted to be able to subtract an arbitrary number of months and that is a bit harder. – Duncan Sep 19 '19 at 14:27 ...
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android: move a view on touch move (ACTION_MOVE)

...ss MyActivity extends Activity implements View.OnTouchListener { TextView _view; ViewGroup _root; private int _xDelta; private int _yDelta; @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.main); _root = (ViewGroup...
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How can I use pickle to save a dict?

...ickle', 'wb') as handle: pickle.dump(a, handle, protocol=pickle.HIGHEST_PROTOCOL) with open('filename.pickle', 'rb') as handle: b = pickle.load(handle) print a == b share | improve this a...