大约有 47,000 项符合查询结果（耗时：0.0595秒） [XML]
Using HTML5/JavaScript to generate and save a file
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edited Sep 28 '15 at 15:00
Cedric Reichenbach
7,73366 gold badges4747 silver badges7979 bronze badges
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What is the difference between atomic and critical in OpenMP?
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edited Jun 27 '16 at 14:06
answered Oct 17 '11 at 20:11
J...
Generating a drop down list of timezones with PHP
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I would do it in PHP, except I would avoid doing preg_match 100 some times and do this to generate your list.
$tzlist = DateTimeZone::listIdentifiers(DateTimeZone::ALL);
Also, I would use PHP's names for the 'timezones' and forget about GMT offsets, which will change based on DST.
C...
Properly close mongoose's connection once you're done
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207
You can close the connection with
mongoose.connection.close()
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Getting current device language in iOS?
...nformation from NSLocale.h:
+ (NSArray *)preferredLanguages NS_AVAILABLE(10_5, 2_0); // note that this list does not indicate what language the app is actually running in; the [NSBundle mainBundle] object determines that at launch and knows that information
People interested in app language take ...
Using arrays or std::vectors in C++, what's the performance gap?
...on vectors and arrays/pointers.
// Assembly code was generated by gcc 4.1.0 invoked with g++ -O3 -S on a
// x86_64-suse-linux machine.
#include <vector>
struct S
{
int padding;
std::vector<int> v;
int * p;
std::vector<int>::iterator i;
};
int pointer_index (S & ...
What's the point of NSAssert, actually?
...n code, like a function that should never receive a -1 as param but may a -0.9 or -1.1?
10 Answers
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Get host domain from URL?
...equest.Url.Host;
Using Uri
Uri myUri = new Uri("http://www.contoso.com:8080/");
string host = myUri.Host; // host is "www.contoso.com"
share
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improve this answer
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f...
How to filter NSFetchedResultsController (CoreData) with UISearchDisplayController/UISearchBar
...w numberOfRowsInSection:(NSInteger)section
{
NSInteger numberOfRows = 0;
NSFetchedResultsController *fetchController = [self fetchedResultsControllerForTableView:tableView];
NSArray *sections = fetchController.sections;
if(sections.count > 0)
{
id <NSFetchedResult...
Get size of folder or file
...le.txt");
file.length();
This returns the length of the file in bytes or 0 if the file does not exist. There is no built-in way to get the size of a folder, you are going to have to walk the directory tree recursively (using the listFiles() method of a file object that represents a directory) and ...