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Using the “final” modifier whenever applicable in Java [closed]

...misinterpret or misuse the thought process which resulted in your code. At least it should ring some bells when they now want to change your previously immutable thing. At first, it kind of looks awkward to see a lot of final keywords in your code, but pretty soon you'll stop noticing the word itse...
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Threads vs Processes in Linux

...he same memory space (instead of creating a COW copy) fork() calls clone(least sharing) and pthread_create() calls clone(most sharing). ** forking costs a tiny bit more than pthread_createing because of copying tables and creating COW mappings for memory, but the Linux kernel developers have trie...
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Why must a nonlinear activation function be used in a backpropagation neural network? [closed]

...rstand activation functions better it is important to look at the ordinary least-square or simply the linear regression. A linear regression aims at finding the optimal weights that result in minimal vertical effect between the explanatory and target variables, when combined with the input. In short...
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Python multiprocessing PicklingError: Can't pickle

... But then you're only using one CPU (at least with regular Python versions that use the GIL), which kind of defeats the purpose. – Endre Both Dec 27 '19 at 19:35 ...
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How to append something to an array?

...better, but I think I'd be better off with the arr[arr.length] Version, at least in raw speed. I'd love to see the results of an IE run though. My benchmarking loops: function arrpush_small() { var arr1 = []; for (a = 0; a < 100; a++) { arr1 = []; for (i = 0; i &lt...
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Career day in kindergarten: how to demonstrate programming in 20 minutes? [closed]

...andwich. There was a lot of laughter but they came away understanding, at least a little, what a programmer does for a living. (I should note, I've also done this demonstration with adults in an "intro to programming" class, and it works just as well with them.) ...
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what is the difference between OLE DB and ODBC data sources?

...eral sources, such as the links I have updated my post to include and, not least, the comments they provoked. Other sources were Jason Roff's book on ADO mentioned by bobobobo, and The Access 2002 Desktop Developer's Handbook, by Litwin, Getz and Gunderloy (real old, but a real classic). I don't hav...
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“Undefined reference to” template class constructor [duplicate]

.... And we must ensure that this compilation happens for the constructors at least once in the entire compilation process, or we will get the 'undefined reference' error. (This applies to the other methods of cola<T> also.) Understanding the problem The problem is caused by the fact that main....
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Detect when an image fails to load in Javascript

...ver; object-position: 50% 50%; } TIP 1 : use a square image of at least 800 x 800 pixels. TIP 2 : for use with portrait of people, use object-position: 20% 50%; CSS only for background-img For missing background images, I also added the following on each background-image declaration...
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Improve INSERT-per-second performance of SQLite

... #4 brought back ages old memories--There was at least one case back in the before-times where dropping an index before a group of adds and re-creating it afterwards sped inserts significantly. May still work out quicker on modern systems for some adds where you know you h...