大约有 44,000 项符合查询结果（耗时：0.0494秒） [XML]
Private setters in Json.Net
...hat has a parameter matching your property:
public class Foo
{
public string Bar { get; }
public Foo(string bar)
{
Bar = bar;
}
}
Now this works:
string json = "{ \"bar\": \"Stack Overflow\" }";
var deserialized = JsonConvert.DeserializeObject<Foo>(json);
Console....
LINQ with groupby and count
...ready have a list/array of some class that looks like
class UserInfo {
string name;
int metric;
..etc..
}
...
List<UserInfo> data = ..... ;
When you do data.GroupBy(x => x.metric), it means "for each element x in the IEnumerable defined by data, calculate it's .metric, then gr...
JPQL IN clause: Java-Arrays (or Lists, Sets…)?
...
I'm not sure for JPA 1.0 but you can pass a Collection in JPA 2.0:
String qlString = "select item from Item item where item.name IN :names";
Query q = em.createQuery(qlString, Item.class);
List<String> names = Arrays.asList("foo", "bar");
q.setParameter("names", names);
List<Item...
Calculating how many minutes there are between two times
...tes;
long long_minutes = (long)endTime.Subtract(startTime).TotalMinutes;
string string_minutes = (string)endTime.Subtract(startTime).TotalMinutes;
share
|
improve this answer
|
...
.NET data structures: ArrayList, List, HashTable, Dictionary, SortedList, SortedDictionary — Speed,
...e used with generics, so you can have a strongly typed array, e.g. List<string>. Other than that, acts very much like ArrayList
Hashtable - plain old hashtable. O(1) to O(n) worst case. Can enumerate the value and keys properties, and do key/val pairs
Dictionary - same as above only strongly t...
UITableViewCell, show delete button on swipe
...ViewController, UITableViewDelegate, UITableViewDataSource {
// These strings will be the data for the table view cells
var animals: [String] = ["Horse", "Cow", "Camel", "Pig", "Sheep", "Goat"]
let cellReuseIdentifier = "cell"
@IBOutlet var tableView: UITableView!
override fu...
Concatenate two slices in Go
...s
a first argument assignable to type []byte with a second argument of
string type followed by .... This form appends the bytes of the
string.
append(s S, x ...T) S // T is the element type of S
s0 := []int{0, 0}
s1 := append(s0, 2) // append a single element s1 == []int{0, 0, 2}...
(grep) Regex to match non-ASCII characters?
...
[^\x00-\x7F] and [^[:ascii:]] miss some control bytes so strings can be the better option sometimes. For example cat test.torrent | perl -pe 's/[^[:ascii:]]+/\n/g' will do odd things to your terminal, where as strings test.torrent will behave.
...
How to check if running in Cygwin, Mac or Linux?
...he system information (-s parameter).
Use expr and substr to deal with the string.
Use if elif fi to do the matching job.
You can add more system support if you want, just follow the uname -s specification.
Implementation
#!/usr/bin/env bash
if [ "$(uname)" == "Darwin" ]; then
# Do something...
logger configuration to log to file and print to stdout
I'm using Python's logging module to log some debug strings to a file which works pretty well. Now in addition, I'd like to use this module to also print the strings out to stdout. How do I do this? In order to log my strings to a file I use following code:
...