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Regex not operator
...an NOT operator in Regexes?
Like in that string : "(2001) (asdf) (dasd1123_asd 21.01.2011 zqge)(dzqge) name (20019)"
2 Ans...
AngularJS: How can I pass variables between controllers?
...Do',[])
.service('dataService', function() {
// private variable
var _dataObj = {};
// public API
this.dataObj = _dataObj;
})
.controller('One', function($scope, dataService) {
$scope.data = dataService.dataObj;
})
.controller('Two', function($scope, dataService) {
$scope.data = dat...
How to export all collections in MongoDB?
...
For lazy people, use mongodump, it's faster:
mongodump -d <database_name> -o <directory_backup>
And to "restore/import" it (from directory_backup/dump/):
mongorestore -d <database_name> <directory_backup>
This way, you don't need to deal with all collections individ...
App Inventor 2 远程音频播放教程 - 网络音乐与语音播放 · App Inventor 2 中文网
...
音量控制
WebView播放网络音频
HTML文件（audio_player.html）
App Inventor积木块
实战案例：网络音乐播放器
功能
Sound组件（短音效）
Sound vs Player
常见问题
Q1: 播放网络音...
Can Flask have optional URL parameters?
...
Another way is to write
@user.route('/<user_id>', defaults={'username': None})
@user.route('/<user_id>/<username>')
def show(user_id, username):
pass
But I guess that you want to write a single route and mark username as optional? If that's the c...
How do you send a HEAD HTTP request in Python 2?
...rt urllib2
>>> class HeadRequest(urllib2.Request):
... def get_method(self):
... return "HEAD"
...
>>> response = urllib2.urlopen(HeadRequest("http://google.com/index.html"))
Headers are available via response.info() as before. Interestingly, you can find the URL th...
How to implement a rule engine?
...;
// use a method call, e.g. 'Contains' -> 'u.Tags.Contains(some_tag)'
return Expression.Call(left, method, right);
}
}
Note that I used 'GreaterThan' instead of 'greater_than' etc. - this is because 'GreaterThan' is the .NET name for the operator, therefore we don't need any...
What is the use for Task.FromResult in C#
...nd this example:
public class TextResult : IHttpActionResult
{
string _value;
HttpRequestMessage _request;
public TextResult(string value, HttpRequestMessage request)
{
_value = value;
_request = request;
}
public Task<HttpResponseMessage> ExecuteAsync...
心情记录 · App Inventor 2 中文网
...显示开心次数。
4. 加入加法块
从“数学”抽屉拖出 __ + __，接到 设 happyLabel.文本 为 的输入槽。
5. 读取当前 happyLabel.文本
从 happyLabel 抽屉拖出 happyLabel.文本，接到加法块的第一个输入槽。当前标签文字会作为旧的计数值...
猫狗叫 · App Inventor 2 中文网
...一个点击事件。
16. 添加加法块
从“数学”抽屉拖出 __ + __，接到 设 LabelCatVotes.文本 为 的输入槽。
17. 取得当前猫票数
从 LabelCatVotes 抽屉拖出 LabelCatVotes.文本，接到加法块的第一个输入槽。
18. 加一票
从“数学”抽屉...