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Pointers vs. values in parameters and return values
...ere are various ways to return a struct value or slice thereof. For individual ones I've seen:
4 Answers
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stringstream, string, and char* conversion confusion
... any changes to it might cause it to re-allocate and thus render cstr invalid. It is therefor safer to not to store the result of the call to str() at all and use cstr only until the end of the full expression:
use_c_str( stringstream.str().c_str() );
Of course, the latter might not be easy and c...
How do CDI and EJB compare? interact?
...llows you to inject implementation into your service or whatever. The main idea is that class, where you inject, should be managed by EJB container.
Seems that CDI does understand what EJB is, so in Java EE 6 compliant server, in your servlet you can write both
@EJB EJBService ejbService;
and
@Inje...
A gentle tutorial to Emacs/Swank/Paredit for Clojure
...on the blog of the Incanter project. Incanter is a fascinating package providing an R-like DSL for statistical computations embedded right into Clojure. This post will be useful even if you don't plan on using -- or even installing -- Incanter.
Putting it all to work:
Once you set up all of this ...
Reduce, fold or scan (Left/Right)?
...
Scan is used for some processing order of items from left or right hand side, then we can make use of previous result in subsequent calculation. That means we can scan items. Will always result a collection.
LEFT_REDUCE method works similar to REDUCE Method.
RIGHT_REDUCE is opposite to reduceLef...
classical inheritance vs prototypal inheritance in javascript
I have googled so many links and can't get good idea about the difference between classical inheritance and prototypal inheritance?
...
React.js: onChange event for contentEditable
...tml prop is out of sync with the actual html in the element. e.g. if you did this.setState({html: "something not in the editable div"}})
– Brigand
Mar 27 '14 at 6:21
...
Set Background cell color in PHPExcel
... 'fill' => array(
'type' => PHPExcel_Style_Fill::FILL_SOLID,
'color' => array('rgb' => 'FF0000')
)
)
);
Source: http://bayu.freelancer.web.id/2010/07/16/phpexcel-advanced-read-write-excel-made-simple/
...
iOS 6: How do I restrict some views to portrait and allow others to rotate?
... // for iPhone, you could also return UIInterfaceOrientationMaskAllButUpsideDown
return UIInterfaceOrientationMaskAll;
}
return UIInterfaceOrientationMaskPortrait;
}
In view controller #3, add the following:
- (NSUInteger)supportedInterfaceOrientations
{
return UIInterfaceOr...
Retrieve the commit log for a specific line in a file?
...ph -u -L 155,155:git-web--browse.sh' - this has given a fatal error: 'invalid object name 155,155'. Git version: 1.8.3.2. Any suggestions?
– BairDev
Dec 12 '13 at 8:47
...