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How do I sort an NSMutableArray with custom objects in it?
...OrderedSame, however in my code I though an exception.
NSArray *sorted = [_scores sortedArrayUsingComparator:^(id obj1, id obj2){
if ([obj1 isKindOfClass:[Score class]] && [obj2 isKindOfClass:[Score class]]) {
Score *s1 = obj1;
Score *s2 = obj2;
if (s1.points &g...
Cannot insert explicit value for identity column in table 'table' when IDENTITY_INSERT is set to OFF
...e like this so that you can specify your own identity values.
SET IDENTITY_INSERT Table1 ON
INSERT INTO Table1
/*Note the column list is REQUIRED here, not optional*/
(OperationID,
OpDescription,
FilterID)
VALUES (20,
'Hierachy Update',
...
When to use volatile with multi threading?
...n mechanism. To get synchronization, use atomic, a
mutex, or a condition_variable.
[/End update]
The above all applies the the C++ language itself, as defined by the 2003 Standard (and now the 2011 Standard). Some specific platforms however do add additional functionality or restrictions to w...
Generating a unique machine id
...search I decided the best would be to read MachineGuid in registry key HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Cryptography, as @Agnus suggested. It is generated during OS installation and won't change unless you make another fresh OS install. Depending on the OS version it may contain the network ada...
Html table tr inside td
...ited May 12 '14 at 17:37
katalin_2003
62911 gold badge1212 silver badges2626 bronze badges
answered Jun 13 '13 at 14:00
...
NoSQL (MongoDB) vs Lucene (or Solr) as your database
...ommits. Refer to the latest document https://lucene.apache.org/solr/guide/8_5/
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What is CDATA in HTML? [duplicate]
...want a HTML/XML you can use XHTML5. FYI: en.wikipedia.org/wiki/HTML5#XHTML5_(XML-serialized_HTML5)
– Daniel De León
Dec 31 '17 at 19:53
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Applications are expected to have a root view controller at the end of application launch
... hello i am getting this eroor :- *** Assertion failure in -[UIApplication _runWithMainScene:transitionContext:completion:], /BuildRoot/Library/Caches/com.apple.xbs/Sources/UIKit_Sim/UIKit-3505.16/UIApplication.m:3294 how to solve this
– Akash Raghani
Sep 22 '1...
Why is “copy and paste” of code dangerous? [closed]
...code is the one I want to use as my source?"
"Hmmm, what do all these 'util_func_023' functions do? Didn't I document them? Which of them do I need now?"
"Oh, yeah, this code uses Code Base Y. Guess I need to [choose one: copy all of Code Base Y into my new project / spend a day extricating the one ...
Having Django serve downloadable files
...e actual file serving is handled by Apache/Lighttpd. Once you've set up mod_xsendfile, integrating with your view takes a few lines of code:
from django.utils.encoding import smart_str
response = HttpResponse(mimetype='application/force-download') # mimetype is replaced by content_type for django ...