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When to Redis? When to MongoDB? [closed]

...performance is not that great and can't be compared to Redis. Use Redis in order to speed up your existing application. Redis can be easily integrated as a LRU cache. It is very uncommon to use Redis as a standalone database system (some people prefer referring to it as a "key-value"-store). Websit...
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Best way to get InnerXml of an XElement?

...west methods being more than 3 times slower than the fastest. The results ordered by fastest to slowest: CreateReader - Instance Hunter (0.113 seconds) Plain old System.Xml - Greg Hurlman (0.134 seconds) Aggregate with string concatenation - Mike Powell (0.324 seconds) StringBuilder - Vin (0.333 ...
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Calling remove in foreach loop in Java [duplicate]

...dHashSet (and then back into a List if you need). This preserves insertion order while removing duplicates. share | improve this answer | follow | ...
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What does the ??!??! operator do in C?

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Calculating a directory's size using Python?

... It is probably wise to add the '-x' option to the du command in order to confine the search to the filesystem. In other words, use ['du', '-shx', path] instead. – Keith Hanlan Sep 27 '17 at 20:35 ...
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Can I install Python 3.x and 2.x on the same Windows computer?

...ndows) which is then associated with py and pyw scripts, respectively. In order to use the new launcher (without manually setting up your own associations to it), leave the "Register Extensions" option enabled. I'm not quite sure why, but on my machine it left Py 2.7 as the "default" (of the launc...
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ASP.NET MVC - Attaching an entity of type 'MODELNAME' failed because another entity of the same type

...ified stamp and row version on my entities, so I was getting them first in order to compare with the inbound headers. Of course, this loaded and tracked the entity that was subsequently being updated. The fix was simply to change the repository from newing-up a context once in the constructor to ha...
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How to run a program without an operating system?

... select to boot from the USB. It is often possible to configure the search order in those menus. For example, on my T430 I see the following. After turning on, this is when I have to press Enter to enter the boot menu: Then, here I have to press F12 to select the USB as the boot device: From th...
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Can you organize imports for an entire project in eclipse with a keystroke?

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Effective method to hide email from spam bots

...ride the reading direction and present the text to the user in the correct order. Hope it helps Cheers share | improve this answer | follow | ...