大约有 40,000 项符合查询结果(耗时:0.0511秒) [XML]

https://stackoverflow.com/ques... 

Linear Layout and weight in Android

...me, you'll need to use addView with layout parameters like addView(button, new LinearLayout.LayoutParams(0, height, 1)); This is true even if you're inflating layouts with the correct width and weight values. – Nuthatch Sep 3 '11 at 21:41 ...
https://stackoverflow.com/ques... 

How do write IF ELSE statement in a MySQL query

...unction () { StackExchange.openid.initPostLogin('.new-post-login', 'https%3a%2f%2fstackoverflow.com%2fquestions%2f8763310%2fhow-do-write-if-else-statement-in-a-mysql-query%23new-answer', 'question_page'); } ); ...
https://stackoverflow.com/ques... 

How to get an enum which is created in attrs.xml in code

... values()) { if (f.id == id) return f; } throw new IllegalArgumentException(); } } Then in the first code block you could use: Format format = Format.fromId(a.getInt(R.styleable.IconView_icon, 0))); (though throwing an exception at this point may not be a great...
https://stackoverflow.com/ques... 

Parse DateTime string in JavaScript

...ar strDate = "03.09.1979"; var dateParts = strDate.split("."); var date = new Date(dateParts[2], (dateParts[1] - 1), dateParts[0]); share | improve this answer | follow ...
https://stackoverflow.com/ques... 

How to get the original value of an attribute in Rails

... attribute_in_database, whereas attribute_before_last_save is a completely new method as of 5.1 that has no equivalent in earlier versions of Rails. Source: github.com/rails/rails/pull/25337#issuecomment-225166796 – ohaleck May 30 '19 at 19:01 ...
https://stackoverflow.com/ques... 

Is there a predefined enumeration for Month in the .NET library?

...mes.Take(12).ToList(); var monthSelectList = monthNames.Select( m => new { Id = monthNames.IndexOf(m) + 1, Name = m }); share | improve this answer | follow ...
https://stackoverflow.com/ques... 

RGB to hex and hex to RGB

...17 Here is another approach that seems to be even faster function hexToRgbNew(hex) { var arrBuff = new ArrayBuffer(4); var vw = new DataView(arrBuff); vw.setUint32(0,parseInt(hex, 16),false); var arrByte = new Uint8Array(arrBuff); return arrByte[1] + "," + arrByte[2] + "," + arrByte[3]; ...
https://stackoverflow.com/ques... 

How do you log all events fired by an element in jQuery?

...e .data('events') collection: function getEventsList($obj) { var ev = new Array(), events = $obj.data('events'), i; for(i in events) { ev.push(i); } return ev.join(' '); } $obj.on(getEventsList($obj), function(e) { console.log(e); }); This logs every event that ha...
https://stackoverflow.com/ques... 

Change a column type from Date to DateTime during ROR migration

... Also, if you're using Rails 3 or newer you don't have to use the up and down methods. You can just use change: class ChangeFormatInMyTable < ActiveRecord::Migration def change change_column :my_table, :my_column, :my_new_type end end ...
https://stackoverflow.com/ques... 

How to make a great R reproducible example

... <- par(mfrow=c(1,2)) ...some code... par(op) ) test run your code in a new, empty R session to make sure the code is runnable. People should be able to just copy-paste your data and your code in the console and get exactly the same as you have. Give extra information In most cases, just the R...