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Update data in ListFragment as part of ViewPager
... can get by, using its instantiateItem(ViewGroup container, int position) call. It returns reference to fragment at position position. If FragmentStatePagerAdapter already holds reference to fragment in question, instantiateItem just returns reference to that fragment, and doesn't call getItem() to ...
Is there an SQLite equivalent to MySQL's DESCRIBE [table]?
...
You can use ".schema" without a table and it'll show you all of them.
– Dan Benamy
Nov 30 '12 at 6:16
46
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Convert LocalDate to LocalDateTime or java.sql.Timestamp
... Watch out when converting LocalDateTime to DateTime as not all LocalDateTimes are valid DateTimes. Source: joda-time.sourceforge.net/faq.html#illegalinstant and just running into this.
– Christophe De Troyer
Aug 10 '15 at 8:53
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How to copy a local Git branch to a remote repo
... otherwise specified.
This is already done for you when you use git clone, allowing you to use git push without any arguments to push the local master branch to update the origin repository’s master branch.
git config branch.<name>.remote <remote>
can be used to specify this manually...
Does name length impact performance in Redis?
I like to use verbose names in Redis, for instance set-allBooksBelongToUser:$userId .
4 Answers
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What's the best way to detect a 'touch screen' device using JavaScript?
...only covers a basic use case.
Modernizr is a great, lightweight way to do all kinds of feature detection on any site.
It simply adds classes to the html element for each feature.
You can then target those features easily in CSS and JS. For example:
html.touch div {
width: 480px;
}
html.no-t...
How can I find the location of origin/master in git, and how do I change it?
...ch master
master
Tracked remote branch
master
A remote is basically a link to a remote repository. When you do..
git remote add unfuddle me@unfuddle.com/myrepo.git
git push unfuddle
..git will push changes to that address you added. It's like a bookmark, for remote repositories.
When...
How do I merge changes to a single file, rather than merging commits?
...ch A.
A simple command already solved the problem for me if I assume that all changes are committed in both branches A and B:
git checkout A
git checkout --patch B f
The first command switches into branch A, into where I want to merge B's version of the file f. The second command patches the fi...
Memory footprint of Haskell data types
... GHC creates a single instance of these constructors and shares it amongst all uses.
A word is 4 bytes on a 32-bit machine, and 8 bytes on a 64-bit machine.
So e.g.
data Uno = Uno a
data Due = Due a b
an Uno takes 2 words, and a Due takes 3.
The Int type is defined as
data Int = I# Int#
no...
Filtering collections in C#
... ints that are > than 7, Where returns an
// IEnumerable<T> so a call to ToList is required to convert back to a List<T>.
List<int> filteredList = myList.Where( x => x > 7).ToList();
If you can't find the .Where, that means you need to import using System.Linq; at the to...