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How to add a button dynamically in Android?

...d(R.id.buttonlayout); LayoutParams lp = new LayoutParams(LayoutParams.MATCH_PARENT, LayoutParams.WRAP_CONTENT); ll.addView(myButton, lp); Have a look to this example share | improve this answer ...
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How does the const constructor actually work?

... Const constructor creates a "canonicalized" instance. That is, all constant expressions begin canonicalized, and later these "canonicalized" symbols are used to recognize equivalence of these constants. Canonicalization: A process for converting data that has more than one possible rep...
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Is there a .NET equivalent to Apache Hadoop? [closed]

... Have you looked at using Hadoop's streaming? I use it in python all the time :-). I'm starting to see that the heterogeneous approach is often the best and it looks like other folks are doing the same. If you look at projects like protocol-buffers or facebook's thrift you see that somet...
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How to convert a Base64 string into a Bitmap image to show it in a ImageView?

...ion Here is the solution: -You should consider the value sent to you from API is Base64 Encoded and should be decoded first in order to cast it to a Bitmap object! -Take a look at your Base64 encoded String, If it starts with data:image/jpg;base64 The Base64.decode won't be able to decode it...
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常用Sql - 数据库(内核) - 清泛网 - 专注C/C++及内核技术

... decimal(18,0) NOT NULL COMMENT '递增ID', `FIELD_1` varchar(32) NOT NULL COMMENT '字段1', `FIELD_2` varchar(32) NOT NULL COMMENT '字段2', PRIMARY KEY (`ID`), KEY `FIELD_1` (`FIELD_1`), #单索引 KE...
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常用Sql - 爬虫/数据库 - 清泛IT社区,为创新赋能!

...)      NOT NULL COMMENT '递增ID',   `FIELD_1`                 varchar(32)        NOT NULL COMMENT '字段1',   `FIELD_2`           ...
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How to determine whether an object has a given property in JavaScript

... Or even better — Object.prototype.hasOwnProperty.call(x, 'y'), so that property named "hasOwnProperty" would not conflict with inspection process ;) – kangax Dec 24 '09 at 14:03 ...
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What's the false operator in C# good for?

...rride |, &, true and false in exactly the right way the compiler will call | and & when you write || and &&. For example, look at this code (from http://ayende.com/blog/1574/nhibernate-criteria-api-operator-overloading - where I found out about this trick; archived version by @Biggs...
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SQLAlchemy default DateTime

... This isn't right. The timestamp at model load will be used for all new records rather than the time the record is added. – SkyLeach Feb 9 '16 at 16:18 10 ...
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How to check for a JSON response using RSpec?

... You can also define a helper function inside spec/support/ module ApiHelpers def json_body JSON.parse(response.body) end end RSpec.configure do |config| config.include ApiHelpers, type: :request end and use json_body whenever you need to access the JSON response. For example,...