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What's the difference between “Write-Host”, “Write-Output”, or “[console]::WriteLine”?

... but not necessarily want to display it on screen. The pipeline will eventually write it to out-default if nothing else uses it first. Write-Host should be used when you want to do the opposite. [console]::WriteLine is essentially what Write-Host is doing behind the scenes. Run this demonstratio...
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Best way to check if a Data Table has a null value in it

... I usually create an "Extensions" folder in some common library or in my DAL. Create a file called "DataTableExtensions.cs" and add that method. Next you would just add "using Name.Space.Extensions" to your cs files and have access...
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What's the difference between REST & RESTful

...a dissertation by Roy Fielding, REST is an "architectural style" that basically exploits the existing technology and protocols of the Web. RESTful is typically used to refer to web services implementing such an architecture. ...
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C++简练易用的线程池(threadpool)及上下文隔离的无锁线程池(isolated_threa...

...易用的线程池(threadpool)及上下文隔离的无锁线程池(isolated_threadpool)完整实现本文主要介绍两种C++线程池模型完整代码,经过实战考验的,效率已极致优化的代码,可直接用于实际项目开发。1、C++简练易用的线程池(threadpool) 完整...
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What is SYSNAME data type in SQL Server?

...stored procedures etc within SQL Server. For example, by executing Exec sp_help 'sys.tables' you will see that the column name is defined as sysname this is because the value of this is actually an object in itself (a table) I would worry too much about it. It's also worth noting that for those p...
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INNER JOIN ON vs WHERE clause

For simplicity, assume all relevant fields are NOT NULL . 11 Answers 11 ...
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How to change the decimal separator of DecimalFormat from comma to dot/point?

... Side note: NumberFormat.getNumberInstance() can run unusually slowly on some Android 7 devices. An alternative is String.format() which runs quickly. See stackoverflow.com/questions/2379221/java-currency-number-format – Mr-IDE Oct 16 '17 at 5:...
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How to draw a custom UIView that is just a circle - iPhone app

How would I go about drawing a custom UIView that is literally just a ball (a 2D circle)? Would I just override the drawRect method? And can someone show me the code for drawing a blue circle? ...
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Diff output from two programs without temporary files

... use >(command) if you want to pipe something into a command. This is called "Process Substitution" in Bash's man page. share | improve this answer | follow ...
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How do I pause my shell script for a second before continuing?

... John La RooyJohn La Rooy 249k4646 gold badges326326 silver badges469469 bronze badges 5 ...