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How can I read a large text file line by line using Java?
...u can skip the InputStream and use FileReader.
InputStream ins = null; // raw byte-stream
Reader r = null; // cooked reader
BufferedReader br = null; // buffered for readLine()
try {
String s;
ins = new FileInputStream("textfile.txt");
r = new InputStreamReader(ins, "UTF-8"); // leave c...
MySQL Data - Best way to implement paging?
...ge of large OFFSETs. They avoid using OFFSET with a variety of techniques, ranging from id range selections in the WHERE clause, to some kind of caching or pre-computing pages.
There are suggested solutions at Use the INDEX, Luke:
"Paging Through Results".
"Pagination done the right way".
...
Distributed sequence number generation?
...scale manner. You could look into things like network broadcasts, windowed ranges for each worker, and distributed hash tables for unique worker IDs, but it's a lot of work.
Unique IDs are another matter, there are several good ways of generating unique IDs in a decentralized manner:
a) You could ...
Jquery Ajax Posting json to webservice
...tive covers why the JSON is being URLEncoded.
I'd advise against passing a raw, manually-serialized JSON string into your method. ASP.NET is going to automatically JSON deserialize the request's POST data, so if you're manually serializing and sending a JSON string to ASP.NET, you'll actually end u...
How to read/process command line arguments?
... parser.add_argument(
'integers', metavar='int', type=int, choices=range(10),
nargs='+', help='an integer in the range 0..9')
parser.add_argument(
'--sum', dest='accumulate', action='store_const', const=sum,
default=max, help='sum the integers (default: find the ...
Is the LIKE operator case-sensitive with MSSQL Server?
...
It seems the range of characters like [A-Z] is always case-insensitive. [ABCDEFGHIJKLMNOPQRSŠTUVWXYZŽÅÄÖ] however seems to obey collation.
– jumxozizi
Oct 31 '16 at 15:49
...
GitHub relative link in Markdown file
...er relative links on the site.
October 12th, 2011:
If you look at the raw source of the README.md of Markdown itself(!), relative paths don't seem to be supported.
You will find references like:
[r2h]: http://github.com/github/markup/tree/master/lib/github/commands/rest2html
[r2hc]: http://git...
How can I shift-select multiple checkboxes like GMail?
... of checkboxes with the following code snippet:
$('#table4').checkboxes({ range: true });
Here is the link to the documentation, demo & download: http://rmariuzzo.github.io/checkboxes.js/
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Read password from stdin
... p1, p2 = pprompt()
return user, p1
(This is Python 3.x; use raw_input instead of input when using Python 2.x.)
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What's the “average” requests per second for a production web application?
...r your question, we have been doing a huge load test ourselves and find it ranges on various amazon hardware we use(best value was the 32 bit medium cpu when it came down to $$ / event / second) and our requests / seconds ranged from 29 requests / second / node up to 150 requests/second/node.
Giving...