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How can I produce an effect similar to the iOS 7 blur view?
...ef img = self.CGImage;
vImage_Buffer inBuffer, outBuffer;
vImage_Error error;
void *pixelBuffer;
CGDataProviderRef inProvider = CGImageGetDataProvider(img);
CFDataRef inBitmapData = CGDataProviderCopyData(inProvider);
inBuffer.width = CGImageGetWidth(img);
inBuffer.h...
ALTER DATABASE failed because a lock could not be placed on database
...
After you get the error, run
EXEC sp_who2
Look for the database in the list. It's possible that a connection was not terminated. If you find any connections to the database, run
KILL <SPID>
where <SPID> is the SPID for the s...
How to provide user name and password when connecting to a network share
...onnection2 to remove the creds afterwards (avoiding the multiple usernames error):
using (new NetworkConnection(@"\\server\read", readCredentials))
using (new NetworkConnection(@"\\server2\write", writeCredentials)) {
File.Copy(@"\\server\read\file", @"\\server2\write\file");
}
...
Will writeToFile:atomically: overwrite data?
...ails, and the original file is intact. As writeToFile does not return an NSError, how can I investigate the failure? it may be a permissions issue, but I can't be sure. My code runs as an Installer Plugin Bundle, for an installation package that demands root privileges -- I don't know how to verify/...
Entity Framework - Invalid Column Name '*_ID"
...t I didnt know it until after I figured my problem out). If you have some error related to OtherTable_ID when you are retrieving Table, go to your OtherTable model and make sure you don't have an ICollection<Table> in there. Without a relationship defined, the framework will auto-assume that...
What is a “callback” in C and how are they implemented?
... iResult = WSAStartup(MAKEWORD(2, 2), &wsaData);
if (iResult != NO_ERROR) {
printf("WSAStartup failed with error: %ld\n", iResult);
return 1;
}
//----------------------
// Create a SOCKET for listening for
// incoming connection requests.
SOCKET ListenSock...
How to 'insert if not exists' in MySQL?
...se
repeated executions will not die due to ‘duplicate
primary key’ errors.
Method 1: using REPLACE
It’s very simple:
REPLACE INTO `transcripts`
SET `ensembl_transcript_id` = 'ENSORGT00000000001',
`transcript_chrom_start` = 12345,
`transcript_chrom_end` = 12678;
If the r...
Found conflicts between different versions of the same dependent assembly that could not be resolved
... output window reports that the build succeeded. However, when I view the Error List Window , it shows me this warning:
22...
Jenkins Host key verification failed
I have a problem with jenkins , setting "git", shows the following error:
13 Answers
...
Groovy: what's the purpose of “def” in “def x = 0”?
...able("y")
} catch (groovy.lang.MissingPropertyException e) {
println "error caught"
}
Prints: "error caught"
Using the def keyword in larger programs is important as it helps define the scope in which the variable can be found and can help preserve encapsulation.
If you define a method in ...