大约有 7,000 项符合查询结果（耗时：0.0243秒） [XML]
Sort Dictionary by keys
...swift 4 you can write it smarter:
let d = [ 1 : "hello", 2 : "bye", -1 : "foo" ]
d = [Int : String](uniqueKeysWithValues: d.sorted{ $0.key < $1.key })
share
|
improve this answer
|
...
When using a Settings.settings file in .NET, where is the config actually stored?
...hanging its name to match the executable (e.g. if your executable is named foo.exe, the file will be named foo.exe.config), which is the name the .NET configuration manager looks for when it retrieves settings at runtime.
If you change a setting through the VS settings editor, it will update both a...
Check if a method exists
...
You're looking for respondsToSelector:-
if ([foo respondsToSelector: @selector(bar)] {
[foo bar];
}
As Donal says the above tells you that foo can definitely handle receiving the bar selector. However, if foo's a proxy that forwards bar to some underlying object tha...
Check if option is selected with jQuery, if not select a default
...
No need to use jQuery for this:
var foo = document.getElementById('yourSelect');
if (foo)
{
if (foo.selectedIndex != null)
{
foo.selectedIndex = 0;
}
}
share
...
Python: Append item to list N times
...
For immutable data types:
l = [0] * 100
# [0, 0, 0, 0, 0, ...]
l = ['foo'] * 100
# ['foo', 'foo', 'foo', 'foo', ...]
For values that are stored by reference and you may wish to modify later (like sub-lists, or dicts):
l = [{} for x in range(100)]
(The reason why the first method is only a...
Indenting #defines
..., you'll eventually end up with even weirder looking code.
#if COND1
void foo() {
#if COND2
int i;
#if COND3
i = someFunction()
cout << i << eol;
#endif
#endif
}
#endif
share
|
...
How to configure an existing git repo to be shared by a UNIX group
...t only been writable by me. I want to open it up to some UNIX user group, foo, so that all members of foo can push to it. I'm aware that I can easily set up a new git repo with:
...
How to `go test` all tests in my project?
...my-packages/...
This should run all tests with import path prefixed with foo/:
$ go test foo/...
This should run all tests import path prefixed with foo:
$ go test foo...
This should run all tests in your $GOPATH:
$ go test ...
...
No generic implementation of OrderedDictionary?
... Assert.AreEqual(0, od.Count);
Assert.AreEqual(-1, od.IndexOf("foo"));
od.Add("foo", "bar");
Assert.AreEqual(1, od.Count);
Assert.AreEqual(0, od.IndexOf("foo"));
Assert.AreEqual(od[0], "bar");
Assert.AreEqual(od["foo"], "bar");...
Entity Framework: “Store update, insert, or delete statement affected an unexpected number of rows (
... error as it doesn't yet exist in the database. Here is my code:
MyObject foo = new MyObject()
{
someAttribute = someValue
};
context.Entry(foo).State = EntityState.Modified;
context.SaveChanges();
Yes, this seems daft, but it arose because the method in question used to have foo passed to i...