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Python 3.x rounding behavior
...proach eliminates this issue.
There is more than one method of rounding in common use. IEEE 754, the international standard for floating-point math, defines five different rounding methods (the one used by Python 3.0 is the default). And there are others.
This behavior is not as widely known as it o...
When should we use Observer and Observable?
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When should an IllegalArgumentException be thrown?
...d in the JDK libraries, I would say:
It seems like a defensive measure to complain about obviously bad input before the input can get into the works and cause something to fail halfway through with a nonsensical error message.
It's used for cases where it would be too annoying to throw a checked e...
How to bind to a PasswordBox in MVVM
I have come across a problem with binding to a PasswordBox . It seems it's a security risk but I am using the MVVM pattern so I wish to bypass this. I found some interesting code here (has anyone used this or something similar?)
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Passing enum or object through an intent (the best solution)
... use of extension functions and reified types (which retains the type when compiling).
inline fun <reified T : Enum<T>> Intent.putExtra(victim: T): Intent =
putExtra(T::class.java.name, victim.ordinal)
inline fun <reified T: Enum<T>> Intent.getEnumExtra(): T? =
getI...
What is your naming convention for stored procedures? [closed]
...GetProductDetail. However now the database is at 700 procedures plus, it becomes a lot harder to find all procedures on a specific object. For example i now have to search 50 odd Add procedures for the Product add, and 50 odd for the Get etc.
Because of this in my new application I'm planning on gr...
Virtual functions and performance - C++
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Difference in months between two dates
...uracy can be tolerated but for very huge date ranges this inaccuracy may become significant.
– Adam Ralph
Jan 9 '11 at 12:40
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Conventions for exceptions or error codes
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C++17 introduces the nodiscard attribute that will give a compiler warning if the return value of a function is not stored. Helps a little bit to catch forgotten error code checking. Example: godbolt.org/g/6i6E0B
– Zitrax
Mar 23 '17 at 15:24
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“User interaction is not allowed” trying to sign an OSX app using codesign
...s. Nothing helped until I tried the suggestion on http://devnet.jetbrains.com/thread/311971. Thanks ashish agrawal!
Login your build user via the GUI and open Keychain Access. Select your signing private key, right-click, choose Get Info, change to the Access Control tab and select the "Allow al...