大约有 40,000 项符合查询结果(耗时:0.0335秒) [XML]

https://stackoverflow.com/ques... 

How to filter None's out of List[Option]?

... someList.filter(_.isDefined) if you want to keep the result type as List[Option[A]] share | improve this answer | f...
https://stackoverflow.com/ques... 

CALayers didn't get resized on its UIView's bounds change. Why?

...ayersOfLayer:(CALayer *)layer { if (layer == self.layer) { _anySubLayer.frame = layer.bounds; } super.layoutSublayersOfLayer(layer) } Works for me. share | improve this answer...
https://stackoverflow.com/ques... 

How to document Python code with doxygen [closed]

... output mode, but you can apparently improve the results by setting OPTMIZE_OUTPUT_JAVA to YES. Honestly, I'm a little surprised at the difference - it seems like once doxygen can detect the comments in ## blocks or """ blocks, most of the work would be done and you'd be able to use the special com...
https://stackoverflow.com/ques... 

Executing elements inserted with .innerHTML

...t doesn't work in IE 7. With help from SO, here's a script that does: exec_body_scripts: function(body_el) { // Finds and executes scripts in a newly added element's body. // Needed since innerHTML does not run scripts. // // Argument body_el is an element in the dom. function nodeName(e...
https://www.tsingfun.com/it/tech/1055.html 

Nginx缓存解决方案:SRCache - 更多技术 - 清泛网 - 专注C/C++及内核技术

...。 闲言碎语不多讲,表一表Nginx配置文件长啥样: lua_shared_dict phoenix_status 100m; lua_package_path '/path/to/phoenix/include/?.lua;/path/to/phoenix/vendor/?.lua;;'; init_by_lua_file /path/to/phoenix/config.lua; server { listen 80; server_name foo.com; ...
https://stackoverflow.com/ques... 

How to pass a URI to an intent?

...on inside my CameraActionActivity Activity class where I call camera btn_frag_camera.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View v) { Intent intenImatToSec = new Intent(MediaStore.ACTION_VIDEO_CAPTURE); ...
https://stackoverflow.com/ques... 

MongoDB drop every database

... Save this to drop_all_dbs.js: var databases = db.getMongo().getDBNames() for(var i in databases){ db = db.getMongo().getDB( databases[i] ); if(db.getName() == "admin" || db.getName() == "local"){ print("skipping db " + db.get...
https://stackoverflow.com/ques... 

Automatic vertical scroll bar in WPF TextBlock?

...del : ILogBoxViewModel, INotifyPropertyChanged { private readonly ILog _log = LogManager.GetLogger<LogBoxViewModel>(); private bool _attachedPropertyClear; private string _attachedPropertyAppend; public void CmdAppend(string toAppend) { string toLog = $"{DateTime....
https://stackoverflow.com/ques... 

Check if object value exists within a Javascript array of objects and if not add a new object to arr

...his is what I did in addition to @sagar-gavhane's answer const newUser = {_id: 4, name: 'Adam'} const users = [{_id: 1, name: 'Fred'}, {_id: 2, name: 'Ted'}, {_id: 3, 'Bill'}] const userExists = users.some(user => user.name = newUser.name); if(userExists) { return new Error({error:'User exi...
https://stackoverflow.com/ques... 

Scala best way of turning a Collection into a Map-by-key?

...Traversable[V].mapBy( V => K) were better! – oxbow_lakes Jul 14 '10 at 21:17 7 Be aware that t...