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Open-sided Android stroke?
Is it possible to create an Android shape object with stroke on only certain sides?
8 Answers
...
Adding an identity to an existing column
I need to change the primary key of a table to an identity column, and there's already a number of rows in table.
19 Answe...
How can I position my div at the bottom of its container?
...ive;
}
#copyright {
position: absolute;
bottom: 0;
}
<div id="container">
<!-- Other elements here -->
<div id="copyright">
Copyright Foo web designs
</div>
</div>
...
How do I return NotFound() IHttpActionResult with an error message or exception?
...ctionResult : IHttpActionResult
{
public NotFoundTextPlainActionResult(string message, HttpRequestMessage request)
{
if (message == null)
{
throw new ArgumentNullException("message");
}
if (request == null)
{
throw new Argument...
NULL vs nil in Objective-C
...
nil should only be used in place of an id, what we Java and C++ programmers would think of as a pointer to an object. Use NULL for non-object pointers.
Look at the declaration of that method:
- (void)observeValueForKeyPath:(NSString *)keyPath ofObject:(id)object...
Finding what methods a Python object has
...lp(dir) output on your Python Shell:
dir(...)
dir([object]) -> list of strings
If called without an argument, return the names in the current scope.
Else, return an alphabetized list of names comprising (some of) the attributes of the given object, and of attributes reachable from it.
If the ...
Numbering rows within groups in a data frame
...l, df$cat, FUN = seq_along)
or:
library(plyr)
ddply(df, .(cat), mutate, id = seq_along(val))
or:
library(dplyr)
df %>% group_by(cat) %>% mutate(id = row_number())
or (the most memory efficient, as it assigns by reference within DT):
library(data.table)
DT <- data.table(df)
DT[, id...
What are best practices for REST nested resources?
As far as I can tell each individual resource should have only one canonical path. So in the following example what would good URL patterns be?
...
Tying in to Django Admin's Model History
...min.models import LogEntry, ADDITION
LogEntry.objects.log_action(
user_id = request.user.pk,
content_type_id = ContentType.objects.get_for_model(object).pk,
object_id = object.pk,
object_repr = force_unicode(object),
action_flag = ADDITION
)
where object...
Why am I not getting a java.util.ConcurrentModificationException in this example?
...Evidence : run this snippet to see the result : public static void main(String... args) { List<String> listOfBooks = new ArrayList<>(); listOfBooks.add( "Code Complete" ); listOfBooks.add( "Code 22" ); listOfBooks.add( "22 Effective" ); listOfBooks.add( "Netbeans 33" ); S...