大约有 47,000 项符合查询结果(耗时:0.0501秒) [XML]

https://stackoverflow.com/ques... 

Should I index a bit field in SQL Server?

...ndex would be good because it will order them by value and then be able to select the small working set very quickly. If you agree, add that and I will accept it. – jeremcc Oct 23 '08 at 21:01 ...
https://stackoverflow.com/ques... 

Fastest way to extract frames using ffmpeg?

...actly which frames to extract, eg 1, 200, 400, 600, 800, 1000, try using: select='eq(n\,1)+eq(n\,200)+eq(n\,400)+eq(n\,600)+eq(n\,800)+eq(n\,1000)' \ -vsync vfr -q:v 2 I'm using this with a pipe to Imagemagick's montage to get 10 frames preview from any videos. Obviously the frame numbers ...
https://stackoverflow.com/ques... 

Is there a way to create multiline comments in Python?

... In any case, your text editor should also be able to easily comment-out a selected region (by placing a # in front of each line individually). If not, switch to a text editor that does. Programming in Python without certain text editing features can be a painful experience. Finding the right edito...
https://stackoverflow.com/ques... 

UINavigationController without navigation bar?

... In Xcode 4.3.2: Select the navigation controller in the storyboard Select the Attributes Inspector in the (right) Utilities panel Under the Navigation Controller category you have two check boxes: [] Shows Navigation Bar [] Shows Toolbar ...
https://stackoverflow.com/ques... 

How to step back in Eclipse debugger?

..."Using Standard Create Process Launcher" and there will be a hyperlink to "Select other...". Click this and make sure "Use configuration specific settings" is checked then select "GDB (GSF) Create Process Launcher" and click okay. "Using GDB (GSF) Create Process Launcher" will now be displayed at th...
https://stackoverflow.com/ques... 

What is the difference between svg's x and dx attribute?

...} </style> <script> dataset = d3.range(50,500,50); svg = d3.select("body").append("svg"); svg.attr('width',500).attr('height', 500); svg.append("line").attr('x1', 0).attr('x2', 500).attr('y1', 100).attr('y2', 100); svg.append("line").attr('x1', 0).attr('x2', 500).attr('y1', 200).attr...
https://stackoverflow.com/ques... 

When would you use delegates in C#? [closed]

...ionString = psConnectionString; } public void UseReader( string psSELECT, DataReaderUser readerUser ) { using ( SqlConnection connection = new SqlConnection( _connectionString ) ) try { SqlCommand command = new SqlCommand( psSELECT, connection ); ...
https://stackoverflow.com/ques... 

jQuery how to bind onclick event to dynamically added HTML element [duplicate]

...ode. But here he was inserting the elements himself, and there is no clear selector for them (it's just an anchor, which there might be many of), so he would have to add additional markup to be able to target the element. In that case it's just as easy to attach the handler to the element directly, ...
https://stackoverflow.com/ques... 

Get value from hidden field using jQuery

...t to assign identifier to the hidden field; you can use name or class with selector like: $('input[name=hiddenfieldname]').val(); or with assigned class: $('input.hiddenfieldclass').val(); share | ...
https://stackoverflow.com/ques... 

Reading an image file into bitmap from sdcard, why am I getting a NullPointerException?

...g.ARGB_8888; Bitmap bitmap = BitmapFactory.decodeFile(photoPath, options); selected_photo.setImageBitmap(bitmap); or http://mihaifonoage.blogspot.com/2009/09/displaying-images-from-sd-card-in.html share | ...