大约有 38,000 项符合查询结果（耗时：0.0533秒） [XML]
Easy interview question got harder: given numbers 1..100, find the missing number(s) given exactly k
...
|
show 39 more comments
244
...
Is SHA-1 secure for password storage?
...-3 round-2 candidates appear to be faster than SHA-1 while being arguably "more secure"; yet they are still a bit new, so sticking to SHA-256 or SHA-512 would be a safer route right now. It would make you look professional and cautious, which is good.
Note that "as secure as you can get" is not the...
How to determine the memory footprint (size) of a variable?
...ontrol and the logs can be written both on mongo or in the filesystem.
For more details see here.
Blackfire
Blackfire is a PHP profiler by SensioLabs, the Symfony2 guys https://blackfire.io/
If you use puphpet to set up your virtual machine you'll be happy to know it's supported ;-)
Xdebug and traci...
Create a dictionary on a list with grouping
...e names too, of course :)
However, might I suggest that a Lookup might be more appropriate? A Lookup is basically a dictionary from a key to an IEnumerable<T> - unless you really need the values as a list, it makes the code even shorter (and more efficient) with the ToLookup call:
var groupe...
Why do people put code like “throw 1; ” and “for(;;);” in front of json responses? [du
...as protecting past browsers, it may be that extensions to JavaScript cause more potential leaks of a similar kind in future, and in that case chaff should protect against those too.
share
|
improve ...
How to change the font size on a matplotlib plot
...
Where can I find more options for elements like 'family', 'weight', etc.?
– haccks
Jun 11 '15 at 9:26
2
...
Enforcing the type of the indexed members of a Typescript object?
...
|
show 9 more comments
142
...
Get the current displaying UIViewController on the screen in AppDelegate.m
...out a way to navigate through the controllers hierarchy.
If you give some more details about the way you defined your app, then I might give some more hint.
EDIT:
If you want the topmost view (not view controller), you could check
[[[[UIApplication sharedApplication] keyWindow] subviews] lastObj...
How can I bind to the change event of a textarea in jQuery?
...
|
show 5 more comments
145
...
How do I expire a PHP session after 30 minutes?
... could simply adjust these values so that the garbage collector is started more often. But when the garbage collector is started, it will check the validity for every registered session. And that is cost-intensive.
Furthermore, when using PHP's default session.save_handler files, the session data i...