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Java String array: is there a size of method?
I come from a php background and in php, there is an array_size() function which tells you how many elements in the array are used.
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MySQL Workbench: How to keep the connection alive
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From the now unavailable internet archive:
Go to Edit -> Preferences -> SQL Editor and set to a higher value this parameter: DBMS connection read time out (in seconds). For instance: 86400.
Close and reopen MyS...
How to parse a date? [duplicate]
....ENGLISH );
ZonedDateTime zdt = formatter.parse ( input , ZonedDateTime :: from );
Dump to console.
System.out.println ( "zdt : " + zdt );
When run.
zdt : 2009-06-18T20:56:02-04:00[America/New_York]
Adjust Time Zone
For fun let's adjust to the India time zone.
ZonedDateTime zdtKolkata =...
Why I cannot cout a string?
...ition of "live" in str
std::string str3 = str.substr (pos);
// get from "live" to the end
std::cout << str2 << ' ' << str3 << '\n';
return 0;
}
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Keep-alive header clarification
...'t have any session table and they don't need to, because multiple packets from a same TCP client-to-server session may follow different paths. The role of the router is to choose the best IP path and forward the packet accordingly, so it doesn't go up to transport layer (TCP/UDP), nor it go the app...
Get number of digits with JavaScript
... of integers (including negatives) there is a brilliant optimised solution from @Mwr247, but be careful with using Math.log10, as it is not supported by many legacy browsers. So replacing Math.log10(x) with Math.log(x) * Math.LOG10E will solve the compatibility problem.
Creating fast mathematical s...
How can I make robocopy silent in the command line except for progress?
...ed the following 2 parameters:
/np /nfl
So together with the 5 parameters from AndyGeek's answer, which are /njh /njs /ndl /nc /ns you get the following and it's silent:
ROBOCOPY [source] [target] /NFL /NDL /NJH /NJS /nc /ns /np
/NFL : No File List - don't log file names.
/NDL : No Directory Lis...
Twitter Bootstrap - how to center elements horizontally or vertically
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From the Bootstrap documentation:
Set an element to display: block and center via margin. Available as a mixin and class.
<div class="center-block">...</div>
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Haskell function composition (.) and function application ($) idioms: correct use
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I guess I can answer this from authority.
Is there a reason for using the books way that is much better than using all ($) symbols?
There's no special reason. Bryan and I both prefer to reduce line noise. . is quieter than $. As a result, the bo...
What are some better ways to avoid the do-while(0); hack in C++?
...defintions, you'll have to move that function (the one you're gonna return from) somewhere else, which reduces readability. It might end up with dozens of parameters, then, because having dozens of parameters is a bad thing, you'll decide to wrap them into struct, which will create new data type. To...