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What is the difference between JOIN and UNION?

...+ | foo | bar | +-----+-----+ | 23 | 45 | +-----+-----+ 1 row in set (0.01 sec) share | improve this answer | follow | ...
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Truncate number to two decimal places without rounding

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Leading zeros for Int in Swift

... myInt in 1 ... 3 { print(String(format: "%02d", myInt)) } output: 01 02 03 This requires import Foundation so technically it is not a part of the Swift language but a capability provided by the Foundation framework. Note that both import UIKit and import Cocoa include Foundation so it i...
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Persistence unit as RESOURCE_LOCAL or JTA?

... 101 JPA implementations have the choice of managing transactions themselves (RESOURCE_LOCAL), or ha...
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Creating Threads in python

... is code from threading import Thread from time import sleep def function01(arg,name): for i in range(arg): print(name,'i---->',i,'\n') print (name,"arg---->",arg,'\n') sleep(1) def test01(): thread1 = Thread(target = function01, args = (10,'thread1', )) ...
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scheduleAtFixedRate vs scheduleWithFixedDelay

...idnight, I'd have: 00:00: Start making coffee 00:10: Finish making coffee 01:00: Start making coffee 01:10: Finish making coffee 02:00: Start making coffee 02:10: Finish making coffee If I schedule with a fixed delay of one hour, I'd have: 00:00: Start making coffee 00:10: Finish making coffee 0...
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How do I solve the INSTALL_FAILED_DEXOPT error?

...nstall your App] INSTALL_FAILED_DEXOPT errors should not erupt. Like [2011-06-14 01:23:40 - ProtectYourself] Installing ProtectYourself.apk... [2011-06-14 01:24:26 - ProtectYourself] Installation error: INSTALL_FAILED_DEXOPT [2011-06-14 01:24:26 - ProtectYourself] Please check logcat output for ...
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How to create a new object instance from a Type

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How do I run NUnit in debug mode from Visual Studio?

...don't check out Robert's (very useful) blog post (erraticdev.blogspot.com/2012/01/…): for .NET 4.0 and later, I believe you also have to add this to nunit.exe.config: <startup> <supportedRuntime version="4.0" /> </startup>. – devuxer Jan 19 ...
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PHP Function Comments

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