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MySQL - UPDATE query based on SELECT Query

... numbered in a unit, and units are numbered in a level (identified using a string ??N), such that one can identify activities using an SKU ie L1U1A1. Those SKUs are then stored in a different table. I identified the following to get a list of activity_id vs product_id:- SELECT a.activity_id, w....
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What does default(object); do in C#?

...om MSDN Simple Sample code :<br> class Foo { public string Bar { get; set; } } struct Bar { public int FooBar { get; set; } public Foo BarFoo { get; set; } } public class AddPrinterConnection { public static void Main() ...
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Getting SyntaxError for print with keyword argument end=' '

...r. In Python 3.x, the end=' ' part will place a space after the displayed string instead of a newline. To do the same thing in Python 2.x, you'd put a comma at the end: print "Building internam Index for %d tile(s) ..." % len(inputTiles), ...
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Restoring Nuget References?

...&paste it into your Package Manager Console function Sync-References([string]$PackageId) { get-project -all | %{ $proj = $_ ; Write-Host $proj.name; get-package -project $proj.name | ? { $_.id -match $PackageId } | % { Write-Host $_.id; uninstall-package -projectnam...
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What does the ^ operator do in Java?

...nother question where the intention was to use exponentiation to convert a string "8675309" to int without using Integer.parseInt as a programming exercise (^ denotes exponentiation from now on). The OP's intention was to compute 8*10^6 + 6*10^5 + 7*10^4 + 5*10^3 + 3*10^2 + 0*10^1 + 9*10^0 = 867530...
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Extract a dplyr tbl column as a vector

... How would I do this if I want to pass not the colname itself but a string variable that contains it? – mzuba Aug 7 '17 at 22:16 ...
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jQuery - setting the selected value of a select control via its text description

I have a select control, and in a javascript variable I have a text string. 21 Answers ...
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Ruby - test for array

...'abc'.size both work, but 'abc'.count doesn't work like that). Caution: a string is_a? Enumerable, so perhaps this isn't what you want... depends on your concept of an array like object. share | im...
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How to determine programmatically whether a particular process is 32-bit or 64-bit

... Console.WriteLine(p.ProcessName + " is " + (p.IsWin64Emulator() ? string.Empty : "not ") + "32-bit"); } catch (Win32Exception ex) { if (ex.NativeErrorCode != 0x00000005) { throw; ...
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How to get a group of toggle buttons to act like radio buttons in WPF?

... If a add content other then a simple string i get a "Element is already the child of another element." error. Is there a way arround this? – Tobias Hoefer Jul 21 '15 at 12:49 ...