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How to create dictionary and add key–value pairs dynamically?

...r dict = {}; // Adding key-value -pairs dict['key'] = 'value'; // Through indexer dict.anotherKey = 'anotherValue'; // Through assignment // Looping through for (var item in dict) { console.log('key:' + item + ' value:' + dict[item]); // Output // key:key value:value // key:anotherKey valu...
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Fixing “Lock wait timeout exceeded; try restarting transaction” for a 'stuck" Mysql table?

....%, etc.) data structure problem foreign key model (chain/loop locking) misindexed data As @syedrakib said, it works but this is no long-living solution for production. Beware : doing the restart can affect your data with inconsistent state. Also, you can check how MySQL handles your query with ...
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Why does sys.exit() not exit when called inside a thread in Python?

...and I'm confused as to why the following code snippet would not exit when called in the thread, but would exit when called in the main thread. ...
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How to get the Power of some Integer in Swift language?

... I really like this solution, but with Swift 3 it does not work. Any idea how to make it work? – Vanya Sep 19 '16 at 18:51 ...
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JavaScript data grid for millions of rows [closed]

... http://github.com/mleibman/SlickGrid DataTables http://www.datatables.net/index ShieldUI http://demos.shieldui.com/web/grid-virtualization/performance-1mil-rows My best 3 options are jqGrid, jqxGrid and DataTables. They can work with thousands of rows and support virtualization. ...
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system(“pause”); - Why is it wrong?

...upon because it's a platform-specific hack that has nothing to do with actually learning programming, but instead to get around a feature of the IDE/OS - the console window launched from Visual Studio closes when the program has finished execution, and so the new user doesn't get to see the output o...
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Difference between one-to-many and many-to-one relationship

... Foo Since Bar.Foo is a Reference, a Foreign Key, and there is no unique index on it, there can be many rows for any given value of Foo Therefore the relation Foo::Bar is one-to-many Now you can perceive (look at) the relation the other way around, Bar::Foo is many-to-one But do not let th...
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One SVN repository or many?

... its own tags, trunk and branches. If one gets too big or I need to physically isolate a customer's code for their comfort, I can quickly and easily create a new repository. I recently consulted with a relatively large firm on migrating multiple source code control systems to Subversion. They have...
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Get everything after the dash in a string in javascript

... var testStr = "sometext-20202" var splitStr = testStr.substring(testStr.indexOf('-') + 1); share | improve this answer | follow | ...
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What are the best practices to follow when declaring an array in Javascript?

...9] = "omega"; 1. Arrays in JS are totally dynamic, you can reference any index you would like, and it will just be "undefined". This is just as true as if you were to say: var arr = new Array(10); arr[23]; 2. the array's length is going to be set to the highest value that has anything in it,...