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Why does Typescript use the keyword “export” to make classes and interfaces public?

...e: here.SomeClass = SomeClass;. So conceptually, visibility as controlled by public and private is just for tooling, whereas the export keyword changes the output. share | improve this answer ...
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json_encode() escaping forward slashes

...efore I found this answer, I hacked together a way to get rid of the slash by using urlencode() and then replacing %2F. I'm using PHP7 on Windows. Not sure if there is a bug some where, but magic quotes is not even included in PHP7 so it's better to avoid the hackery by simply disabling the slashes...
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How can I check whether a numpy array is empty or not?

...r of axes is rank. Numpy's array class is called ndarray. It is also known by the alias array. The more important attributes of an ndarray object are: ndarray.ndim the number of axes (dimensions) of the array. In the Python world, the number of dimensions is referred to as rank. ndar...
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Reserved keywords in JavaScript

..., delete null public var In return for const, true, char …Finally catch byte. share | improve this answer | follow | ...
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What does “Object reference not set to an instance of an object” mean? [duplicate]

...odified in such a way that the NullReferenceException should never be seen by a user: static void Main(string[] args) { var exampleClass = new ExampleClass(); var returnedClass = exampleClass.ExampleMethod(); if (returnedClass == null) { //throw a meaningful exception or gi...
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What is

...ge about the type parameter is required. [...] An upper bound is signified by the syntax: ? extends B where B is the upper bound. [...] it is permissible to declare lower bounds on a wildcard, using the syntax: ? super B where B is a lower bound. A List<? super Integer>, for example, includ...
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typeof for RegExp

...r example, checking if such object has any vital methods or properties, or by its internal class value (by using {}.toString.call(instaceOfMyObject)). share | improve this answer | ...
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Vertically align text to top within a UILabel

...ay to set the vertical-align on a UILabel, but you can get the same effect by changing the label's frame. I've made my labels orange so you can see clearly what's happening. Here's the quick and easy way to do this: [myLabel sizeToFit]; If you have a label with longer text that will make...
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GRANT EXECUTE to all stored procedures

... explicitly grant permissions per stored procedure. You can also restrict by granting schema execute permissions if you want to be more granular: GRANT EXECUTE ON SCHEMA ::dbo TO [MyDomain\MyUser] share | ...
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While loop to test if a file exists in bash

... it doesn't work? You might try to figure out if the file actually exists by adding: while [ ! -f /tmp/list.txt ] do sleep 2 # or less like 0.2 done ls -l /tmp/list.txt You might also make sure that you're using a Bash (or related) shell by typing 'echo $SHELL'. I think that CSH and TCSH use a...