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Create a string of variable length, filled with a repeated character

...entioned here is terse, it is about 10X slower than a string-concatenation-based implementation. It performs especially badly on large strings. See below for full performance details. On Firefox, Chrome, Node.js MacOS, Node.js Ubuntu, and Safari, the fastest implementation I tested was: function r...
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What can I do to resolve a “Row not found or changed” Exception in LINQ to SQL on a SQL Server Compa

... For example, a NVARCHAR column "title" is marked as NULLable in your database, and contains the value NULL. Even though the column is marked as NOT NULLable in your O/R-Mapping, LINQ will load it successfully and set the column-String to null. Now you change something and call SubmitChanges(). L...
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how can you easily check if access is denied for a file in .NET?

...) { // Do your thing here... } this creates a new permission of read based on view for path of all files then checks if it's equal to file access read. share | improve this answer | ...
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Why use armeabi-v7a code over armeabi code?

... for help, clarification, or responding to other answers.Making statements based on opinion; back them up with references or personal experience.To learn more, see our tips on writing great answers. Draft saved Draft discarded ...
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How could I use requests in asyncio?

...o use requests (or any other blocking libraries) with asyncio, you can use BaseEventLoop.run_in_executor to run a function in another thread and yield from it to get the result. For example: import asyncio import requests @asyncio.coroutine def main(): loop = asyncio.get_event_loop() futur...
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Importance of varchar length in MySQL table

...tion you describe, because it stands for "variable character" - the limit, based on your example, would be 200 characters but anything less is accepted and won't fill the allotted size of the column. VARCHAR also take less space - the values are stored as a one-byte or two-byte length prefix plus ...
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C++0x lambda capture by value always const?

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How to safely open/close files in python 2.4

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Editing legend (text) labels in ggplot

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Converting any string into camel case

... For my ES2015+ friends: a one liner based on the above code. const toCamelCase = (str) => str.replace(/(?:^\w|[A-Z]|\b\w)/g, (ltr, idx) => idx === 0 ? ltr.toLowerCase() : ltr.toUpperCase()).replace(/\s+/g, ''); – tabrindle ...