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Check if all values of array are equal
...set to NaN then no value can take it out. Also adding in a double negation converts the results to true and false, since NaN is falsy. Final form: !!array.reduce(function(a, b){ return (a === b) ? a : NaN; });
– Filipe Silva
Jan 19 '16 at 17:53
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What is state-of-the-art for text rendering in OpenGL as of version 4.1? [closed]
.... rendering vector graphics as textures on primitives. If one uses this to convert TrueType or OpenType fonts into a vector texture you get this:
http://alice.loria.fr/index.php/publications.html?Paper=VTM@2005
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Uncaught SyntaxError: Unexpected token with JSON.parse
... is an object. (creating from an object literal)
JSON.parse() is used to convert a string containing JSON notation into a Javascript object.
Your code turns the object into a string (by calling .toString()) in order to try to parse it as JSON text.
The default .toString() returns "[object Object]...
Dropping Unique constraint from MySQL table
... @Ankur Mukherjee: I forgot to mention: You have to change tbl_name and index_name to the name of your actual table and the name of the actual index, respectively. You can see the names in MySQL Query Browser. You can also do SHOW CREATE TABLE tbl_name.
– Mark Byers
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What is the difference between ? and Object in Java generics?
...Eclipse seems to be giving me an option to choose between a type of Object and a type of '?'.
6 Answers
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Check if a value is within a range of numbers
... answered Apr 9 '18 at 2:51
AlexanderAlexander
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Left-pad printf with spaces
...nt exactly 40 spaces then some text, just save the 40 spaces in a constant and print them. If you need to print multiple lines, either use multiple printf statements like the one above, or do it in a loop, changing the value of ptr each time.
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How to prevent multiple instances of an Activity when it is launched with different Intents
... using the "Open" button on the Google Play Store app (previously called Android Market). It seems that launching it from the Play Store uses a different Intent than launching it from the phone's application menu of icons. This is leading to multiple copies of the same Activity being launched, w...
How to quit a java app from within the program
...lso, as others have mentioned, clean up first! That involves closing files and other open resources.
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Facebook database design?
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Keep a friend table that holds the UserID and then the UserID of the friend (we will call it FriendID). Both columns would be foreign keys back to the Users table.
Somewhat useful example:
Table Name: User
Columns:
UserID PK
EmailAddress
Password
Ge...