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ScalaTest in sbt: is there a way to run a single test without tags?
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Rails 3 migrations: Adding reference column?
...ge_table :testers do |t|
t.remove :user_id
end
end
end
c.f.: http://apidock.com/rails/ActiveRecord/ConnectionAdapters/SchemaStatements/change_table
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SQL query to find record with ID not in another table
... pk do not exist in B.
Old but still gold, specific to PostgreSQL though: https://explainextended.com/2009/09/16/not-in-vs-not-exists-vs-left-join-is-null-postgresql/
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:: (double colon) operator in Java 8
...array constructor reference (TypeName[]::new)
For further reference, see http://cr.openjdk.java.net/~briangoetz/lambda/lambda-state-final.html.
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NASM x86汇编入门指南 - C/C++ - 清泛网 - 专注C/C++及内核技术
NASM x86汇编入门指南NASM x86汇编入门指南原文链接:http: docs.cs.up.ac.za programming asm derick_tut #helloworld内容1.介绍2.为什么写这篇文章3.NASM(The...NASM x86汇编入门指南
原文链接:http://docs.cs.up.ac.za/programming/asm/derick_tut/#helloworld
内容
1. ...
What is the equivalent to a JavaScript setInterval/setTimeout in Android/Java?
...you actually want to achieve, you should take a look at Android Handlers:
http://developer.android.com/reference/android/os/Handler.html
If you previously used javascript setTimeout() etc to schedule a task to run in the future, this is the Android way of doing it (postDelayed / sendMessageDelayed...
Unexpected character encountered while parsing value
...problem with these online tools:
To check if the Json structure is OKAY: http://jsonlint.com/
To generate my Object class from my Json structure: https://www.jsonutils.com/
The simple code:
RootObject rootObj= JsonConvert.DeserializeObject<RootObject>(File.ReadAllText(pathFile));
...
What does Expression.Quote() do that Expression.Constant() can’t already do?
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What are the rules for the “…” token in the context of variadic templates?
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Create an array with random values
...ue numbers (no repeats, ever).
for (var a=[],i=0;i<40;++i) a[i]=i;
// http://stackoverflow.com/questions/962802#962890
function shuffle(array) {
var tmp, current, top = array.length;
if(top) while(--top) {
current = Math.floor(Math.random() * (top + 1));
tmp = array[current];
ar...