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Forward declaring an enum in C++
... char or an int, or something else.
From Section 7.2.5 of the ISO C++ Standard:
The underlying type of an enumeration is an integral type that can represent all the enumerator values defined in the enumeration. It is implementation-defined which integral type is used as the underlying type fo...
How do synchronized static methods work in Java and can I use it for loading Hibernate entities?
...ynchronized on a static method lock you will synchronize the class methods and attributes ( as opposed to instance methods and attributes )
So your assumption is correct.
I am wondering if making the method synchronized is the right approach to ensure thread-safety.
Not really. You should let your...
Resolve Git merge conflicts in favor of their changes during a pull
... do this, I end up back in the MERGING state. I can then git merge --abort and try again, but each time I end up with a merge occurring. … I know that a rebase was pushed to my upstream though, so perhaps that's causing this?
– Benjohn
Jul 14 '16 at 9:03
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What's the best practice to “git clone” into an existing folder?
...ta data. Now, I'd like to do the equivalent of git-clone into this folder, and keep my local changes.
15 Answers
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Are NSLayoutConstraints animatable? [duplicate]
...o animate up some views so that they are blocked by the giant keyboard in landscape. It works well if I simply animate the frames, but others have suggested that this is counter-productive and I should be updating the NSLayoutConstraints instead. However, they don't seem to be animatable. Has any...
PostgreSQL: Show tables in PostgreSQL
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From the psql command line interface,
First, choose your database
\c database_name
Then, this shows all tables in the current schema:
\dt
Programmatically (or from the psql interface too, of course):
SELECT * FROM pg_catalog.pg_table...
What makes JNI calls slow?
...thods, in 2010 I measured calls at an average 40 ns on my Windows desktop, and 11 ns on my Mac desktop. Unless you're making many calls, you're not going to notice.
That said, calling a native method can be slower than making a normal Java method call. Causes include:
Native methods will not be i...
UIGestureRecognizer on UIImageView
I have a UIImageView , which I want to be able to resize and rotate etc.
8 Answers
8
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How can I disable the UITableView selection?
When you tap a row in a UITableView , the row is highlighted and selected. Is it possible to disable this so tapping a row does nothing?
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unique object identifier in javascript
I need to do some experiment and I need to know some kind of unique identifier for objects in javascript, so I can see if they are the same. I don't want to use equality operators, I need something like the id() function in python.
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