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List of Java class file format major version numbers?
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These come from the class version. If you try to load something compiled for java 6 in a java 5 runtime you'll get the error, incompatible class version, got 50, expected 49. Or something like that.
See here in byte offset 7 for more...
Checkout remote branch using git svn
...t branch waldo-svn, run
git checkout waldo-svn
git svn rebase
Starting from a trunk-only checkout
To add a Subversion branch to a trunk-only clone, modify your git repository's .git/config to contain
[svn-remote "svn-mybranch"]
url = http://svn.example.com/project/branches/mybranch
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What's the difference between BaseAdapter and ArrayAdapter?
...ich is ArrayAdapter. There are a number of other adapters that are derived from BaseAdapter that fit different purposes. As a result it is unlikley there is any difference in efficiency between the two; you just get access to a different set of functions/methods with the various subclasses.
(2) The...
Can I use Objective-C blocks as properties?
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WorkingwithBlocks.html from Apple "You should specify copy as the property attribute, because..."
– Fattie
Nov 15 '16 at 22:43
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“You are on a branch yet to be born” when adding git submodule
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Also odd: after the fatal warning from my OP, git leaves an empty dir at .vim/bundle/vim-scala. I also noticed that even though .gitmodules is untouched, it added some lines referring to this github.com repo to .git/config, but after removing those I still ge...
All Ruby tests raising: undefined method `authenticate' for nil:NilClass
...d
Neither did:
after :each do
sign_out :user
end
Taking inspiration from the answer to this stackoverflow question, I ran different combinations of rspec directories together to find out which ones could be interfering with each other.
In the end I discovered I was calling:
before() do #note...
Locking pattern for proper use of .NET MemoryCache
... to detect. You can then evict any Lazy<T> that resolves to an error from the cache, create a new Lazy<T>, put that in the cache, and resolve it. In our own code, we do something similar. We retry a set number of times before we throw an error.
– Keith
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How do we control web page caching, across all browsers?
...HTML meta tag. The HTML meta tag will only be used when the page is viewed from a local disk file system via a file:// URL. See also W3 HTML spec chapter 5.2.2. Take care with this when you don't specify them programmatically because the webserver can namely include some default values.
Generally,...
SQLite Reset Primary Key Field
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Try this:
delete from your_table;
delete from sqlite_sequence where name='your_table';
SQLite Autoincrement
SQLite keeps track of the largest
ROWID that a table has ever held using
the special SQLITE_SEQUENCE table. The
SQLITE...
How to round float numbers in javascript?
... This doesn't always work. Take Math.round(1.005*100)/100 for example from MDN
– tybro0103
May 3 '16 at 17:54
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