大约有 47,000 项符合查询结果（耗时：0.0672秒） [XML]
How do negated patterns work in .gitignore?
...
Ahh sorry I understand now. But SO won't let me upvote again.
– Jarrod Smith
Mar 30 '13 at 7:25
...
Finding the handle to a WPF window
.....
IntPtr windowHandle = new WindowInteropHelper(myWindow).Handle;
Right now, you're asking for the Application's main window, of which there will always be one. You can use this same technique on any Window, however, provided it is a System.Windows.Window derived Window class.
...
Jackson enum Serializing and DeSerializer
...Note that as of this commit in June 2015 (Jackson 2.6.2 and above) you can now simply write:
public enum Event {
@JsonProperty("forgot password")
FORGOT_PASSWORD;
}
The behavior is documented here: https://fasterxml.github.io/jackson-annotations/javadoc/2.11/com/fasterxml/jackson/annotation...
How to check if an array field contains a unique value or another array in MongoDB?
I am using mongodb now.
2 Answers
2
...
grep using a character vector with multiple patterns
...
oh I get it now. So its a compress way to output something like A1 | A2 so if one wanted all conditions then the collapse would be with an & sign, cool thanks.
– Ahdee
Feb 23 '18 at 15:41
...
jQuery.active function
...
This is now called $.active, btw.
– Ryan Bigg
Jul 5 '13 at 6:20
4
...
How to populate/instantiate a C# array with a single value?
I know that instantiated arrays of value types in C# are automatically populated with the default value of the type (e.g. false for bool, 0 for int, etc.).
...
Programmatically select text in a contenteditable HTML element?
...
The Rangy project moved to Github now: github.com/timdown/rangy
– tanius
Dec 12 '16 at 0:17
add a comment
|
...
Check OS version in Swift?
...
Update:
Now you should use new availability checking introduced with Swift 2:
e.g. To check for iOS 9.0 or later at compile time use this:
if #available(iOS 9.0, *) {
// use UIStackView
} else {
// show sad face emoji
}
or...
What does a colon following a C++ constructor name do? [duplicate]
...constructed; if they have default constructors, those were already called. Now, if you assign a value to them in the body of the constructor, you are calling the copy assignment operator, which may mean releasing and reacquiring resources (e.g. memory) if the object has any.
So in the case of prim...