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In which situations do we need to write the __autoreleasing ownership qualifier under ARC?
...ins:
__autoreleasing to denote arguments that are passed by reference (id *) and are autoreleased on return.
All of this is very well explained in the ARC transition guide.
In your NSError example, the declaration means __strong, implicitly:
NSError * e = nil;
Will be transformed to:
NSEr...
No visible cause for “Unexpected token ILLEGAL”
...cter in the code, right after the semicolon. It's the Unicode U+200B Zero-width space character (a.k.a. ZWSP, HTML entity ​). That character is known to cause the Unexpected token ILLEGAL JavaScript syntax error.
And where did it come from?
I can't tell for sure, but my bet is on jsfiddle....
MSTest copy file to test run folder
... [TestMethod()]
[DeploymentItem("testFile1.xml")]
public void ConstructorTest()
{
string file = "testFile1.xml";
Assert.IsTrue(File.Exists(file), "deployment failed: " + file +
" did not get deployed");
}
}
}
...
How to export collection to CSV in MongoDB?
...oDB issue tracker https://jira.mongodb.org/browse/SERVER-4224 you MUST provide the fields when exporting to a csv. The docs are not clear on it. That is the reason for the error.
Try this:
mongoexport --host localhost --db dbname --collection name --csv --out text.csv --fields firstName,middleName...
Implementing Fast and Efficient Core Data Import on iOS 5
...
You should probably save the master MOC in strides as well. No sense having that MOC wait until the end to save. It has its own thread, and it will help keep memory down as well.
You wrote:
Then at the end of the import process, I save on the master/parent
conte...
How can I set the max-width of a table cell using percentages?
The above does not work. How can I set the max-width of a table cell using percentages?
4 Answers
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Error 1022 - Can't write; duplicate key in table
...
The most likely you already have a constraint with the name iduser or idcategory in your database. Just rename the constraints if so.
Constraints must be unique for the entire database, not just for the specific table you are creating/altering.
To find out where the constraints are ...
Can I browse other people's (Apple) bug reports? [closed]
...
As other people have said here, you can't see the bugs that other people have reported to Apple. However, I recently read that Apple uses multiple bug reports for the same issue as an indicator of the severity or priority of a bug or request (see t...
Importing Maven project into Eclipse
...ateimport an existing maven project with Eclipse. Actually, it doesn't provide real integration, it just generates the .project and .classpath files (it has also WTP support) from a Maven project. I've used this plugin during years and was very happy with it (and very unsatisfied at this time by Ecl...
Can you run GUI applications in a Docker container?
...ou need to check the port allocated (by doing docker inspect <container id> or simply docker ps, then you connect to your host's ip with the port you just found.
– creack
Jul 30 '13 at 0:54
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