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Proper Linq where clauses
... x.Name == "Fido" &&
x.Fat == true)
Now what difference that actually makes depends on the implementation of Where being called. If it's a SQL-based provider, I'd expect the two to end up creating the same SQL. If it's in LINQ to Objects, the second will have f...
What is the difference between up-casting and down-casting with respect to class variable
...g) animal;
Basically what you're doing is telling the compiler that you know what the runtime type of the object really is. The compiler will allow the conversion, but will still insert a runtime sanity check to make sure that the conversion makes sense. In this case, the cast is possible because ...
Android Studio/Intellij Idea: “Table of Contents” for a class
...ough is this lack of "Table of Contents" for a class. I apologize for not knowing exactly what to call it. But what I am referring to is the dropdown menu in eclipse that lists all the methods, interfaces, classes and so on that are in that class file. This then allows you to jump to that position. ...
How to un-commit last un-pushed git commit without losing the changes
...t those changes are still visible in the history)
git push origin master
now if you want to have those changes as you local changes in your working copy ("so that your local copy keeps the changes made in that commit") - just revert the revert commit with --no-commit option:
git revert --no-commi...
Why can I access private variables in the copy constructor?
...references back to parent/coordination/management objects that might be unknown or write-only for the client code
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How to not run an example using roxygen2?
I'm writing a geocoding function right now that relies on having a Bing Maps Key. Obviously I'd rather not publish mine, and the examples fail without one.
...
Amazon S3 direct file upload from client browser - private key disclosure
...in the loop. (NOTE: Once you give your code to a client, it's "their" code now.) Locking down CORS is not going to help: People can easily write a non-web-based tool (or a web-based proxy) that adds the correct CORS header to abuse your system.
The big problem is that you can't differentiate betwe...
What does “not run” mean in R help pages?
...
... how did I not know about this function?
– Matt Parker
Sep 21 '09 at 14:41
5
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Pretty git branch graphs
...trator for a publication– and there was no better solution. But there now exists much more applicable answers to this Q, such as fracz's, Jubobs', or Harry Lee's! Please go upvote those!!
Update 2: I've posted an improved version of this answer to the Visualizing branch topology in git ques...
Implementing Fast and Efficient Core Data Import on iOS 5
... should not be updated, but we need to reload the data as well
}];
}
Now, for what may be your real issue regarding the hang... you show two different calls to save on the master. the first is well protected in its own performBlock, but the second is not (though you may be calling saveMaster...