大约有 13,922 项符合查询结果（耗时：0.0239秒） [XML]
How do I handle the window close event in Tkinter?
How do I handle the window close event (user clicking the 'X' button) in a Python Tkinter program?
6 Answers
...
Data structure: insert, remove, contains, get random element, all at O(1)
...the array.
insert(value): append the value to array and let i be its index in A. Set H[value]=i.
remove(value): We are going to replace the cell that contains value in A with the last element in A. let d be the last element in the array A at index m. let i be H[value], the index in the array of th...
How to remove an item from an array in AngularJS scope?
...ay.splice. Also, when using ng-repeat, you have access to the special $index property, which is the current index of the array you passed in.
The solution is actually pretty straightforward:
View:
<a ng-click="delete($index)">Delete</a>
Controller:
$scope.delete = function ( idx ) ...
Case insensitive 'in'
I love using the expression
10 Answers
10
...
Difference Between Select and SelectMany
...e difference when using LINQ To SQL but all I've found are standard array examples.
17 Answers
...
Jackson serialization: ignore empty values (or null)
...tic class Request {
// ...
}
As noted in comments, in versions below 2.x the syntax for this annotation is:
@JsonSerialize(include = JsonSerialize.Inclusion.NON_NULL) // or JsonSerialize.Inclusion.NON_EMPTY
The other option is to configure the ObjectMapper directly, simply by calling
mapper...
In-place edits with sed on OS X
I'd like edit a file with sed on OS X. I'm using the following command:
6 Answers
6
...
Install go with brew, and running the gotour
...
Installing go 1.4 with homebrew on OSX:
1) Create Directories
mkdir $HOME/Go
mkdir -p $HOME/Go/src/github.com/user
2) Setup your paths
export GOPATH=$HOME/Go
export GOROOT=/usr/local/opt/go/libexec
export PATH=$PATH:$GOPATH/bin
export PATH=$PATH:$GOROOT/bin...
process.env.NODE_ENV is undefined
... set an environment variable in Windows:
SET NODE_ENV=development
on OS X or Linux:
export NODE_ENV=development
share
|
improve this answer
|
follow
|
...
How to sort in mongoose?
...ort can be done in any of the following ways:
Post.find({}).sort('test').exec(function(err, docs) { ... });
Post.find({}).sort([['date', -1]]).exec(function(err, docs) { ... });
Post.find({}).sort({test: 1}).exec(function(err, docs) { ... });
Post.find({}, null, {sort: {date: 1}}, function(err, doc...