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What is Weak Head Normal Form?

...thunks. In this case, t1 would be your 0 (or rather, a thunk to 0 given no extra unboxing) seq and $! evalute WHNF. Note that f $! x = seq x (f x) share | improve this answer | ...
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How to render a PDF file in Android

...ast and easy to use, licensed under Apache License 2.0: pdfView.fromAsset(String) .pages(0, 2, 1, 3, 3, 3) // all pages are displayed by default .enableSwipe(true) .swipeHorizontal(false) .enableDoubletap(true) .defaultPage(0) .onDraw(onDrawListener) .onLoad(onLoadCompleteListener) ...
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How to grep for two words existing on the same line? [duplicate]

... Use grep: grep -wE "string1|String2|...." file_name Or you can use: echo string | grep -wE "string1|String2|...." share | improve this answ...
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Why use the INCLUDE clause when creating an index?

...erts/deletes require the index to be updated/sorted anyway and thus little extra overhead is associated with storing off a few extra columns while already updating the index. The overhead is the extra memory and CPU used to store redundant info on the index. If the columns you consider to add as in...
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Pros and Cons of SQLite and Shared Preferences [closed]

... is it advisable to save a json as json string in shared pref? – Kaveesh Kanwal Jul 26 '16 at 12:14 2 ...
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Create an empty object in JavaScript with {} or new Object()?

...can receive a parameter, and depending on that parameter, it will create a string, a number, or just an empty object. For example: new Object(1), will return a Number. new Object("hello") will return a string, it means that the object constructor can delegate -depending on the parameter- the object...
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Is there a way to use SVG as content in a pseudo element :before or :after

... Making use of CSS sprites and data uri gives extra interesting benefits like fast loading and less requests AND we get IE8 support by using image/base64: Codepen sample using SVG HTML <div class="div1"></div> <div class="div2"></div> CSS .d...
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How to set input type date's default value to today?

... day; $('#datePicker').val(today); }); I would probably put a bit of extra time to see if the month and date are single digits and prefix them with the extra zero...but this should give you an idea. EDIT: Added check for the extra zero ...
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Collections.emptyList() vs. new instance

...oo> always creates a new instance of the object so it has a very slight extra cost associated with it which may give you a reason to use Collections.emptyList. I like using emptyList just because it's more readable. shar...
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how to check the dtype of a column in python pandas

I need to use different functions to treat numeric columns and string columns. What I am doing now is really dumb: 6 Answer...