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What is “assert” in JavaScript?

... There is no assert in JavaScript (yet; there's talk of adding one, but it's at an early stage). Perhaps you're using some library that provides one. The usual meaning is to throw an error if the expression passed into the function is false; this is part of the general concept of assertion checki...
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What is “entropy and information gain”?

I am reading this book ( NLTK ) and it is confusing. Entropy is defined as : 7 Answers ...
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How to measure time in milliseconds using ANSI C?

Using only ANSI C, is there any way to measure time with milliseconds precision or more? I was browsing time.h but I only found second precision functions. ...
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Why is Hibernate Open Session in View considered a bad practice?

... Because sending possibly uninitialised Proxies, especially collections, in the view layer and triggering hibernate loading from there can be troubling from both a performance and understanding point of view. Understanding: Using OSIV 'pollutes' the vie...
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Centering a view in its superview using Visual Format Language

... Currently, no, it doesn't look like it is possible to center a view in the superview using only VFL. It is, however, not that difficult to do it using a single VFL string and a single extra constraint (per axis): VFL: "|-(>=20)-[view]-(...
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How to install PyQt4 on Windows using pip?

I'm using Python 3.4 on Windows. When I run a script, it complains 13 Answers 13 ...
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How can I make setInterval also work when a tab is inactive in Chrome?

...ond. This works great, however when I select another tab (so that the tab with my code becomes inactive), the setInterval is set to an idle state for some reason. ...
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Can someone explain the “debounce” function in Javascript

I am interested in the "debouncing" function in javascript, written here : http://davidwalsh.name/javascript-debounce-function ...
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Making a private method public to unit test it…good idea?

... Note: This answer was originally posted for the question Is unit testing alone ever a good reason to expose private instance variables via getters? which was merged into this one, so it may be a tad specific to the usecase presented there. As a general statement, I'm usually all for ...
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Why do you need to put #!/bin/bash at the beginning of a script file?

I have made Bash scripts before and they all ran fine without #!/bin/bash at the beginning. 9 Answers ...