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Solutions for INSERT OR UPDATE on SQL Server
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Solutions provided by @Beau Crawford & @Esteban show general idea but error-prone.
To avoid deadlocks and PK violations you can use something like this:
begin tran
if exists (select * from table with (updlock,serializable) where key = @key)
begin
update table set ...
where key = @key
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How to quickly and conveniently disable all console.log statements in my code?
...se provide detail as to what doesn't work? Does the above line give you an error? If yes, what's the error message?
– SolutionYogi
Aug 1 '09 at 0:58
1
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How can I convert NSDictionary to NSData and vice versa?
...tingPrettyPrinted
error:&error];
NSDictionary *dictFromData = [NSJSONSerialization JSONObjectWithData:dataFromDict
options:NSJSONReadingAllowFragments
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How to manually create icns files using iconutil?
When I'm validating my app I get this error:
18 Answers
18
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Getting a list of files in a directory with a glob
...tManager];
NSArray *dirContents = [fm contentsOfDirectoryAtPath:bundleRoot error:nil];
NSPredicate *fltr = [NSPredicate predicateWithFormat:@"self ENDSWITH '.jpg'"];
NSArray *onlyJPGs = [dirContents filteredArrayUsingPredicate:fltr];
If you need to do it with NSURL instead it looks like this:
NSU...
Why does installing Nokogiri on Mac OS fail with libiconv is missing?
...10.9.3 and whatever I try, the install fails in the end with the following error message:
33 Answers
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Sql Server 'Saving changes is not permitted' error ► Prevent saving changes that require table re-cr
...t the table design, like change a column type from int to real, I get this error:
16 Answers
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Cannot set property 'innerHTML' of null
Why do I get an error or Uncaught TypeError: Cannot set property 'innerHTML' of null?
I thought I understood innerHTML and had it working before.
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The builds tools for v120 (Platform Toolset = 'v120') cannot be found
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But, but... I get this error even though I have VS 2013 installed on my machine!
– Tim Lovell-Smith
Dec 10 '13 at 15:56
5
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Fix warning “Capturing [an object] strongly in this block is likely to lead to a retain cycle” in AR
...onary = [[CJSONDeserializer deserializer] deserialize:request.responseData error:nil];
request = nil;
// ....
}];
Update: got it to work with the keyword '_weak' instead of '_block', and using a temporary variable:
ASIHTTPRequest *_request = [[ASIHTTPRequest alloc] initWithURL:...
__weak...