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Check whether variable is number or string in JavaScript

...ject.prototype.toString; _.isString = function (obj) { return toString.call(obj) == '[object String]'; } This returns a boolean true for the following: _.isString("Jonathan"); // true _.isString(new String("Jonathan")); // true ...
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How to hide first section header in UITableView (grouped style)

... Actually, a better implementation (less likely to break in the future) is to use CGFLOAT_MIN instead of a hard-coded value. In other words, don't return 1.0f or 0.1f instead, return CGFLOAT_MIN If Apple ever changes the minimum a...
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Getting realtime output using subprocess

...pe, no communicate() method on the returned CompletedProcess. Also, capture_output is mutually exclusive with stdout and stderr. – Aidan Feldman Apr 19 '19 at 3:03 add a comme...
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How to determine whether an object has a given property in JavaScript

... Or even better — Object.prototype.hasOwnProperty.call(x, 'y'), so that property named "hasOwnProperty" would not conflict with inspection process ;) – kangax Dec 24 '09 at 14:03 ...
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Easiest way to open a download window without navigating away from the page

...ment will be loaded using the URL as if window.location.assign() had been called with the modified URL” - developer.mozilla.org/en-US/docs/Web/API/window.location – Rob Juurlink Aug 19 '13 at 11:47 ...
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How to enter a multi-line command

...me However, this is only ever necessary in such cases as shown above. Usually you get automatic line continuation when a command cannot syntactically be complete at that point. This includes starting a new pipeline element: Get-ChildItem | Select Name,Length will work without problems since a...
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How to toggle a value in Python

...; toggle() 'blue' Note that in Python 3 the next() method was changed to __next__(), so the first line would be now written as toggle = itertools.cycle(['red', 'green', 'blue']).__next__ share | i...
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Executing injected by innerHTML after AJAX call

There's a div called "Content": 11 Answers 11 ...
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GraphViz - How to connect subgraphs?

...luster, that can be linked to even if the cluster is empty otherwise. DUMMY_0 [shape=point style=invis] – DevSolar Jun 25 '12 at 7:36 2 ...
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How to download an entire directory and subdirectories using wget?

...nd I am only able to access the files through a browser. The base URLs for all the files is the same like 8 Answers ...