大约有 18,335 项符合查询结果(耗时:0.0285秒) [XML]

https://stackoverflow.com/ques... 

Duplicate ID, tag null, or parent id with another fragment for com.google.android.gms.maps.MapFragme

...r, I found a solution that works for me: private static View view; @Override public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) { if (view != null) { ViewGroup parent = (ViewGroup) view.getParent(); if (parent != null) ...
https://stackoverflow.com/ques... 

MySQL select one column DISTINCT, with corresponding other columns

...STINCT results from the FirstName column, but I need the corresponding ID and LastName . 12 Answers ...
https://stackoverflow.com/ques... 

MYSQL OR vs IN performance

...elieve people who give their "opinion", science is all about testing and evidence. I ran a loop of 1000x the equivalent queries (for consistency, I used sql_no_cache): IN: 2.34969592094s OR: 5.83781504631s Update: (I don't have the source code for the original test, as it was 6 years ago, though...
https://stackoverflow.com/ques... 

How to print a query string with parameter values when using Hibernate

... I am using grails 2.4.4 and hibernate 4. Changing log4j configuration did not work for me but p6spy worked! – Champ Jan 13 '15 at 7:03 11 ...
https://stackoverflow.com/ques... 

How do you copy a record in a SQL table but swap out the unique id of the new row?

...ce table and destination table are the same and the primary key is a uniqueidentifier (guid). When I try this: 11 Answers ...
https://stackoverflow.com/ques... 

How do you dynamically add elements to a ListView on Android?

...e explain or suggest a tutorial to dynamically create a ListView in android? 7 Answers ...
https://stackoverflow.com/ques... 

NullPointerException accessing views in onCreate()

...tion is to move the code to the fragment onCreateView(), calling findViewById() on the inflated fragment layout rootView: @Override public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) { View rootView = inflater.inflate(R.layout.fragment_main, cont...
https://stackoverflow.com/ques... 

When to add what indexes in a table in Rails

... Should I add "index" to all the foreign keys like "xxx_id"? It would be better, because it accelerates the search in sorting in this column. And Foreign keys are something searched for a lot. Since Version 5 of rails the index will be created automatically, for more informatio...
https://stackoverflow.com/ques... 

Change Active Menu Item on Page Scroll?

...ll position var fromTop = $(this).scrollTop()+topMenuHeight; // Get id of current scroll item var cur = scrollItems.map(function(){ if ($(this).offset().top < fromTop) return this; }); // Get the id of the current element cur = cur[cur.length-1]; var id = cur &am...
https://stackoverflow.com/ques... 

GCM with PHP (Google Cloud Messaging)

... This code will send a GCM message to multiple registration IDs via PHP CURL. // Payload data you want to send to Android device(s) // (it will be accessible via intent extras) $data = array('message' => 'Hello World!'); // The recipient registration tokens for this notifica...