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Java: PrintStream to String?
...= new ByteArrayOutputStream();
final String utf8 = StandardCharsets.UTF_8.name();
try (PrintStream ps = new PrintStream(baos, true, utf8)) {
yourFunction(object, ps);
}
String data = baos.toString(utf8);
...
Build tree array from flat array in javascript
...ibrary. It's, as far as I can tell, the fastest solution.
function list_to_tree(list) {
var map = {}, node, roots = [], i;
for (i = 0; i < list.length; i += 1) {
map[list[i].id] = i; // initialize the map
list[i].children = []; // initialize the children
}
for (i = 0; i ...
NOT using repository pattern, use the ORM as is (EF)
...pose the underlying set in one of its members.
– dark_perfect
Sep 2 '13 at 19:38
3
@yat: One repo...
How do I know if a generator is empty from the start?
...quence in memory. So there's no backward traversal.
You could write a has_next function or maybe even slap it on to a generator as a method with a fancy decorator if you wanted to.
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PostgreSQL Crosstab Query
...m is also limited to exactly three columns in the provided input query: row_name, category, value. There is no room for extra columns like in the 2-parameter alternative below.
Safe form
crosstab(text, text) with 2 input parameters:
SELECT *
FROM crosstab(
'SELECT section, status, ct
FR...
Pagination in a REST web application
... Range header also works to declare an order:
Range: products-by-date=2009_03_27-
to get all products newer than that date or
Range: products-by-date=0-2009_11_30
to get all products older than that date. '0' is probably not best solution, but RFC seems to want something for range start. There...
Moq: Invalid setup on a non-overridable member: x => x.GetByTitle(“asdf”)
...ked virtual. In your comment, I understand it so that the instantiating of _mockArticleDao is done something like this:
_mockArticleDao = new Mock<ArticleDAO>();
If you want to keep it as so, you need to mark the GetArticle method virtual:
public class ArticleDAO : GenericNHibernateDAO(IA...
How to get the Full file path from URI
...ISyntaxException {
final boolean needToCheckUri = Build.VERSION.SDK_INT >= 19;
String selection = null;
String[] selectionArgs = null;
// Uri is different in versions after KITKAT (Android 4.4), we need to
// deal with different Uris.
if (needToChec...
Initializing a static std::map in C++
...namespace std;
using namespace boost::assign;
map<int, char> m = map_list_of (1, 'a') (3, 'b') (5, 'c') (7, 'd');
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How to detect iPhone 5 (widescreen devices)?
...eight of 568.
You can imagine a macro, to simplify all of this:
#define IS_IPHONE_5 ( fabs( ( double )[ [ UIScreen mainScreen ] bounds ].size.height - ( double )568 ) < DBL_EPSILON )
The use of fabs with the epsilon is here to prevent precision errors, when comparing floating points, as pointe...