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How to flush output of print function?

...ust provide flush=True as a keyword argument to the print function: print('foo', flush=True) Python 2 (or < 3.3) They did not backport the flush argument to Python 2.7 So if you're using Python 2 (or less than 3.3), and want code that's compatible with both 2 and 3, may I suggest the following ...
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Xcode 6: Keyboard does not show up in simulator

The keyboard does not show up when I run the simulator and click in the UITextView. How do I re-enable the keyboard? 13 Ans...
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How can I add an item to a IEnumerable collection?

...lOrEmpty(s)); } IEnumerable<string> lines = ReadLines(); lines.Add("foo") // so what is this supposed to do?? What you can do, however, is create a new IEnumerable object (of unspecified type), which, when enumerated, will provide all items of the old one, plus some of your own. You use Enu...
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How do I vertically align something inside a span tag?

... The flexbox way: .foo { display: flex; align-items: center; justify-content: center; height: 50px; } share | improve this an...
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How to check certificate name and alias in keystore files?

... also specify it in the command: keytool -list -keystore .keystore -alias foo If the alias is not found, it will display an exception: keytool error: java.lang.Exception: Alias does not exist share | ...
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Difference between clustered and nonclustered index [duplicate]

... index). For example, if you have the query (in pseudocode) SELECT * FROM FOO WHERE FOO.BAR = 2 You might want to put an index on FOO.BAR. A clustered index should be used on a column that will be used for sorting. A clustered index is used to sort the rows on disk, so you can only have one per t...
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Should I pass a shared_ptr by reference? [duplicate]

...ht experiment. Let us define a shared pointer type SF = std::shared_ptr<Foo>. In order to consider references, rather than passing function arguments let us look at the type RSF = std::reference_wrapper<T>. That is, if we have a shared pointer SF p(std::make_shared<Foo>());, then w...
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How can I rename a field for all documents in MongoDB?

... You can use: db.foo.update({}, {$rename:{"name.additional":"name.last"}}, false, true); Or to just update the docs which contain the property: db.foo.update({"name.additional": {$exists: true}}, {$rename:{"name.additional":"name.last"}}, ...
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Convert string in base64 to image and save on filesystem in Python

... how do you do this starting off with a non-inline str? I can't do b'foobar' because I'm not making the string inline – Seph Reed Jul 22 '17 at 19:22 ...
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history.replaceState() example?

... whatever your current location href is window.history.replaceState( {} , 'foo', '/foo' ); console.log( window.location.href ); // oh, hey, it replaced the path with /foo There is more to replaceState() but I don't know what exactly it is that you want to do with it. ...