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How to serialize an object into a string
...constituted object");
System.out.println( some );
}
/** Read the object from Base64 string. */
private static Object fromString( String s ) throws IOException ,
ClassNotFoundException {
byte [] data = Base64.getDeco...
How to hash a string into 8 digits?
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Did you read the OP's question? He (or she) wanted (or needed) 8 decimal places. Also, the way hash tables work is to hash into a small search space (the sparse table). You seem to not know want hash functions are commonly used fo...
How update the _id of one MongoDB Document?
...call the remove line first and then call the insert line. The doc should already printed on your screen so it'd be easy to recover, worst case, even if the insert fails, for simple documents.
– philfreo
Apr 14 '15 at 19:55
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Is it faster to count down than it is to count up?
...s to be sure that they terminate, produce correct answers, and are easy to read. I wish your teacher would focus on the important stuff and not mythology.
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Converting XML to JSON using Python?
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It's already been mentioned in newer answers. It still only covers a small subset of valid XML constructs, but probably the majority of what people use in practice.
– Dan Lenski
Dec 5 '18 at 11...
Difference between __getattr__ vs __getattribute__
...l call __getattr__ method whenever you request an attribute that hasn't already been defined. In the following example my class Count has no __getattr__ method. Now in main when I try to access both obj1.mymin and obj1.mymax attributes everything works fine. But when I try to access obj1.mycurrent ...
map vs. hash_map in C++
...clear() 150K unsigned integer keys and float values. I am just running and reading someone else's code.
This is how it includes hash_map.
#include "StdAfx.h"
#include <hash_map>
I read this here
https://bytes.com/topic/c/answers/570079-perfomance-clear-vs-swap
saying that clear() is order...
Plain Old CLR Object vs Data Transfer Object
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It's probably redundant for me to contribute since I already stated my position in my blog article, but the final paragraph of that article kind of sums things up:
So, in conclusion, learn to love the POCO, and make sure you don’t spread any misinformation about it being the...
What is the difference between C# and .NET?
...ool "ildasm.exe", which is freely available in Microsoft SDKs (and might already be on your computer), you can see how C# code is converted into meta data and IL. I've included a sample at the bottom of this answer as an example.
When you run execute .net code, what is commonly happening is the .ne...
Automatically start forever (node) on system restart
...n/forever start -c /usr/local/bin/node /your/path/to/your/app.js
Further Reading
crontab Man Page
Ubuntu Cron HowTo
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