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java: Class.isInstance vs Class.isAssignableFrom
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How do I create a foreign key in SQL Server?
...able.
That might be the behaviour you want, but in my experience, it much more commonly isn't.
If you instead create it like this:
alter table MyTable
add constraint MyTable_MyColumn_FK FOREIGN KEY ( MyColumn )
references MyOtherTable(PKColumn)
on update cascade
on delete cascade
..then updat...
How to pick just one item from a generator?
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I should have been more clear. g.next() is g.__next__() in py3k. The builtin next(iterator) has been around since Python 2.6, and is what should be used in all new Python code, and it's trivial to backimplement if you need to support py <= 2...
Difference between \w and \b regular expression meta characters
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It's more correct to say that it's the boundary between a word character and not a word character because it also matches between a word character and the start or end of a string if that character is at the start/end of the strin...
Reading file contents on the client-side in javascript in various browsers
...eReader API described here, though not yet the File API). The API is a bit more complicated than the older Mozilla API, as it is designed to support asynchronous reading of files, better support for binary files and decoding of different text encodings. There is some documentation available on the M...
How to prevent multiple instances of an Activity when it is launched with different Intents
...arket launches. See https://issuetracker.google.com/issues/36907463
// for more details. Essentially, the market launches the main activity on top of other activities.
// we never want this to happen. Instead, we check if we are the root and if not, we finish.
if (!isTaskRoot()) {
final Intent i...
What is the overhead of creating a new HttpClient per call in a WebAPI client?
...ared between requests for these handlers also needs to be provided.
The more you use the features of HttpClient, the more you will see that reusing an existing instance makes sense.
However, the biggest issue, in my opinion is that when a HttpClient class is disposed, it disposes HttpClientHandl...
What are commit-ish and tree-ish in Git?
...ers to files, I'm not
sure if it's still considered "tree-ish", or if acts more like "blob-ish" (Git
refers to files as "blobs").
The Long Answer
Commits and Directory Trees in Git
At its lowest levels, Git keeps track of source code using four fundamental
objects:
Annotated tags, which point t...
Maven parent pom vs modules pom
...nch of a reactor build from the root after a checkout and make things even more handy. Actually, this is how I like to setup maven projects and a VCS repository for large builds: it just works, it scales well, it gives all the flexibility you may need.
If the answer is no (back to the initial que...
How to remove selected commit log entries from a Git repository while keeping their changes?
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