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Why does the C++ STL not provide any “tree” containers?
... general and involved enough to merit specialized tree classes independent from it. Also, the fact that std::map and std::set require a tree is, IMO, another argument for having an stl::red_black_tree etc. Finally, the std::map and std::set trees are balanced, an std::tree might not be.
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How to create a private class method?
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Following on from this, instead of doing private_class_method :method_name you could do private_class_method def method_name....
– bjt38
Dec 8 '14 at 23:32
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How to tell bash that the line continues on the next line
In a bash script I got from another programmer, some lines exceeded 80 columns in length. What is the character or thing to be added to the line in order to indicate that the line continues on the next line?
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How to show vertical line to wrap the line in Vim?
..., or
a number preceded with '+' or '-', which is added to or subtracted from
'textwidth'.
Example from the docs:
:set colorcolumn=+1 " highlight column after 'textwidth'
:set colorcolumn=+1,+2,+3 " highlight three columns after 'textwidth'
:highlight ColorColumn ctermbg=lightgrey gu...
Default value of BOOL
...OL
…
@implementation MyClass
…
@synthesize isLandscape;
- (void)awakeFromNib
{
[super awakeFromNib];
// Test for YES or NO
if (isLandscape == YES) {
ALog(@"isLandscape == YES");
} else if (isLandscape == NO) {
ALog(@"isLandscape == NO");
} else {
ALo...
CORS - How do 'preflight' an httprequest?
..." header and 'preflight' requests with and OPTIONS request. I got the idea from this post : Getting CORS working
2 Answers...
Practical non-image based CAPTCHA approaches?
... as they may sometimes be easy for you and incredibly difficult for people from different countries that haven't mastered English, or for people originating from different culture. They may got upset if you force them use dictionary only to log in! Or even worse, they just stop using the site.
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Programmatically Request Access to Contacts
...to change privacy setting in settings app
}
Update For iOS 9 and later:
From Apple website :
Important
The Address Book UI framework is deprecated in iOS 9. Use the APIs defined in the ContactsUI framework instead. To learn more, see ContactsUI
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What HTTP status response code should I use if the request is missing a required parameter?
...andard, but I would have used 400 Bad Request, which the latest HTTP spec (from 2014) documents as follows:
6.5.1. 400 Bad Request
The 400 (Bad Request) status code indicates that the server cannot or
will not process the request due to something that is perceived to be
a client ...
How to convert URL parameters to a JavaScript object?
... paramsToObject(entries); //{abc:"foo",def:"[asf]",xyz:"5"}
Using Object.fromEntries and spread
We can use Object.fromEntries (which is currently in stage 4), replacing paramsToObject with Object.fromEntries(entries).
The value pairs to iterate over are the list name-value pairs with the
ke...