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When should the volatile keyword be used in C#?
...ions such as creating a new thread, entering a lock, or
using one of the Interlocked family of methods introduce stronger
guarantees about observation of ordering. If you want more details,
read sections 3.10 and 10.5.3 of the C# 4.0 specification.
Frankly, I discourage you from ever maki...
When vectors are allocated, do they use memory on the heap or the stack?
...t;Type*> vect;
will allocate the vector on the stack and a bunch of pointers on the free store, but where these point is determined by how you use them (you could point element 0 to the free store and element 1 to the stack, say).
...
Google Maps Android API v2 - Interactive InfoWindow (like in original android google maps)
...ehind" where it should be on the map which I just don't like.
At this point, I was thinking about some other solution. I realized that I actually don't really need that much freedom - to show my custom views with all the possibilities that come with it (like animated progress bars etc.). I think ...
Executors.newCachedThreadPool() versus Executors.newFixedThreadPool()
...xed number of threads operating off
a shared unbounded queue. At any
point, at most nThreads threads will
be active processing tasks. If
additional tasks are submitted when
all threads are active, they will wait
in the queue until a thread is
available. If any thread terminates
due t...
Is there a way to specify how many characters of a string to print out using printf()?
Is there a way to specify how many characters of a string to print out (similar to decimal places in int s)?
8 Answers
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Get content uri from file path in android
...Path }, null);
if (cursor != null && cursor.moveToFirst()) {
int id = cursor.getInt(cursor.getColumnIndex(MediaStore.MediaColumns._ID));
cursor.close();
return Uri.withAppendedPath(MediaStore.Images.Media.EXTERNAL_CONTENT_URI, "" + id);
} else {
if (imageFile.exists()) {
...
What's the difference between @JoinColumn and mappedBy when using a JPA @OneToMany association
...any, but the underlying table has a column which does, then you can use @JoinTable to map it. This is an unusual situation, because you would normally map the column in the object which corresponds to its table, but it can happen, and it is perfectly legitimate.
– Tom Anderson
...
Handling an empty UITableView. Print a friendly message
...So instead of showing the
background image of the app, I would prefer to print a friendly message in the screen, such as:
2...
Equivalent of varchar(max) in MySQL?
...
Mysql Converting column from VARCHAR to TEXT when under limit size!!!
mysql> CREATE TABLE varchars1(ch3 varchar(6),ch1 varchar(3),ch varchar(4000000))
;
Query OK, 0 rows affected, 1 warning (0.00 sec)
mysql> SHOW WARNINGS;...
NodeJS: Saving a base64-encoded image to disk
...
I think you are converting the data a bit more than you need to. Once you create the buffer with the proper encoding, you just need to write the buffer to the file.
var base64Data = req.rawBody.replace(/^data:image\/png;base64,/, "");
requ...